Company Details
yahoo
9,513
743,118
5112
yahooinc.com
0
YAH_4801788
In-progress

Yahoo Company CyberSecurity Posture
yahooinc.comYahoo serves as a trusted guide for hundreds of millions of people globally, helping them achieve their goals online through our portfolio of iconic products. To learn more about Yahoo, please visit yahooinc.com.
Company Details
yahoo
9,513
743,118
5112
yahooinc.com
0
YAH_4801788
In-progress
Between 700 and 749

Yahoo Global Score (TPRM)XXXX

Description: An unprotected Elasticsearch instance belonging to Leak Zone, an underground forum for cybercriminals, exposed millions of IP addresses and login timestamps of its users. The database, containing over 22 million records, was accessible to anyone, potentially revealing user identities to security researchers, rival criminals, and law enforcement. The exposure included real-time updates and indications of anonymization tool usage. The cause of the exposure remains unknown but is likely due to human error, such as unsecured configurations. The incident highlights the persistent issue of exposed databases leading to significant data leaks.
Description: Yahoo suffered from a cyber-attack incident that technically tricked cookies into users' logging account passwords. Yahoo investigated the incident and asked those affected by the attack to log into their accounts without passwords.
Description: The California Office of the Attorney General reported a data breach involving Yahoo! Inc. on September 22, 2016. A copy of user account information, potentially affecting at least 500 million accounts, was stolen in late 2014 by what Yahoo believes to be a state-sponsored actor. The stolen information may have included names, email addresses, telephone numbers, dates of birth, and hashed passwords, but did not include unprotected passwords, payment card data, or bank account information.
Description: The **Yahoo mega-breach** remains one of the most devastating cybersecurity incidents in history, occurring between **2013 and 2014** but disclosed in **2016**. Hackers, linked to a state-sponsored group, compromised **all 3 billion Yahoo user accounts**, exposing **names, email addresses, phone numbers, hashed passwords, and security questions/answers**. The breach was executed via **spear-phishing emails** targeting employees, granting attackers access to Yahoo’s internal systems. The fallout was catastrophic: **Verizon lowered its acquisition price of Yahoo by $350 million**, and the company faced **regulatory fines, lawsuits, and irreparable reputational damage**. The stolen data was later found for sale on the dark web, enabling **identity theft, fraud, and targeted phishing campaigns** against users globally. The breach highlighted Yahoo’s **negligent security practices**, including failure to encrypt sensitive data adequately and delayed disclosure, which worsened the impact. The incident remains a benchmark for **corporate data breach consequences**, demonstrating how **mass-scale personal data exposure** can cripple even a tech giant.
Description: An unauthorised third party gained access to the company's secret code to learn how to fake specific cookies, which allowed the intrusive party to have unrestricted access to almost 32 million user accounts. The compromised information included names, email addresses, telephone numbers, hashed passwords, dates of birth, and, in some cases, encrypted or unencrypted security questions and answers, but payment and bank information remained safe.
Description: A former Yahoo executive claims that between one billion and three billion user accounts could have been impacted by the Yahoo data hack. The Yahoo data breach, according to the experts from the intelligence firm InfoArmor that looked into the event, is the consequence of a cyberattack carried out by cybercriminals who later sold the Yahoo user accounts to a nation-state actor from Eastern Europe. InfoArmor experts verified that the initial hacker to offer the massive data dump for sale is a threat actor going by the handle tessa88; he served as a go-between for the real criminals. A former Yahoo executive, speaking anonymously, claims that the Yahoo architecture collects all user authentication data into a single database.
Description: Hackers breached Yahoo's networks and gained access to one billion user accounts, which included phone numbers, addresses, and easily cracked hashed passwords. The released data also included certain encrypted and cleartext security questions and answers that had also been compromised. The passwords were secured with the easily cracked MD5 hashing method. According to more information about the incident, the hacker sold the enormous data collection on the Dark Web. Unfortunately, the hacker was paid by at least three distinct buyers two of whom were prominent spammers to obtain the complete information, which they most certainly intended to exploit for espionage purposes.
Description: Some of the user accounts of Telecom’s YahooXtrahas had their details compromised, following a security breach, which apparently affected non-Telecom customers as well. Apparently, Yahoo acknowledged an email security breach that compromised some YahooXtra email accounts.
Description: In December 2016, the California Office of the Attorney General disclosed a massive data breach affecting **Yahoo! Inc.**, originating from an August 2013 cyberattack. A third party claimed possession of stolen user data from over **one billion accounts**, marking one of the largest breaches in history. The compromised information included **names, email addresses, phone numbers, and hashed passwords**, though payment card and bank account details were reportedly not exposed. The breach, attributed to state-sponsored actors, highlighted severe vulnerabilities in Yahoo’s security infrastructure, eroding user trust and leading to significant reputational damage. The incident also triggered regulatory scrutiny, financial penalties, and a **$350 million reduction in Yahoo’s acquisition price by Verizon** due to the breach’s scale and delayed disclosure. While no direct financial fraud was tied to the stolen data, the exposure of personal credentials posed long-term risks, including phishing, identity theft, and account takeovers across other platforms where users reused passwords.


No incidents recorded for Yahoo in 2025.
No incidents recorded for Yahoo in 2025.
No incidents recorded for Yahoo in 2025.
Yahoo cyber incidents detection timeline including parent company and subsidiaries

Yahoo serves as a trusted guide for hundreds of millions of people globally, helping them achieve their goals online through our portfolio of iconic products. To learn more about Yahoo, please visit yahooinc.com.


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Explore insights on cybersecurity incidents, risk posture, and Rankiteo's assessments.
The official website of Yahoo is http://www.yahooinc.com.
According to Rankiteo, Yahoo’s AI-generated cybersecurity score is 742, reflecting their Moderate security posture.
According to Rankiteo, Yahoo currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.
According to Rankiteo, Yahoo is not certified under SOC 2 Type 1.
According to Rankiteo, Yahoo does not hold a SOC 2 Type 2 certification.
According to Rankiteo, Yahoo is not listed as GDPR compliant.
According to Rankiteo, Yahoo does not currently maintain PCI DSS compliance.
According to Rankiteo, Yahoo is not compliant with HIPAA regulations.
According to Rankiteo,Yahoo is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.
Yahoo operates primarily in the Software Development industry.
Yahoo employs approximately 9,513 people worldwide.
Yahoo presently has no subsidiaries across any sectors.
Yahoo’s official LinkedIn profile has approximately 743,118 followers.
Yahoo is classified under the NAICS code 5112, which corresponds to Software Publishers.
No, Yahoo does not have a profile on Crunchbase.
Yes, Yahoo maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/yahoo.
As of December 17, 2025, Rankiteo reports that Yahoo has experienced 9 cybersecurity incidents.
Yahoo has an estimated 27,790 peer or competitor companies worldwide.
Incident Types: The types of cybersecurity incidents that have occurred include Breach.
Total Financial Loss: The total financial loss from these incidents is estimated to be $16.60 billion.
Detection and Response: The company detects and responds to cybersecurity incidents through an communication strategy with yahoo asked affected users to log into their accounts without passwords., and containment measures with database locked down, and law enforcement notified with yes (california office of the attorney general), and third party assistance with fbi ic3, third party assistance with vpnmentor research team, and law enforcement notified with yes (fbi ic3 complaints), and communication strategy with vpnmentor blog post, communication strategy with public advisories, and enhanced monitoring with recommended (proactive defense strategies)..
Title: Yahoo Cyber Attack Incident
Description: Yahoo suffered from a cyber-attack incident that technically tricked cookies into users' logging account passwords. Yahoo investigated the incident and asked those affected by the attack to log into their accounts without passwords.
Type: Cyber Attack
Attack Vector: Cookie Manipulation
Vulnerability Exploited: Web Application Vulnerability
Title: Unauthorized Access to User Accounts
Description: An unauthorised third party gained access to the company's secret code to learn how to fake specific cookies, which allowed the intrusive party to have unrestricted access to almost 32 million user accounts. The compromised information included names, email addresses, telephone numbers, hashed passwords, dates of birth, and, in some cases, encrypted or unencrypted security questions and answers, but payment and bank information remained safe.
Type: Data Breach
Attack Vector: Cookie Manipulation
Vulnerability Exploited: Stolen secret code for cookie generation
Title: YahooXtra Email Security Breach
Description: Some of the user accounts of Telecom’s YahooXtrahad their details compromised, following a security breach, which apparently affected non-Telecom customers as well. Yahoo acknowledged an email security breach that compromised some YahooXtra email accounts.
Type: Data Breach
Title: Yahoo Data Breach
Description: A former Yahoo executive claims that between one billion and three billion user accounts could have been impacted by the Yahoo data hack. The Yahoo data breach, according to the experts from the intelligence firm InfoArmor that looked into the event, is the consequence of a cyberattack carried out by cybercriminals who later sold the Yahoo user accounts to a nation-state actor from Eastern Europe. InfoArmor experts verified that the initial hacker to offer the massive data dump for sale is a threat actor going by the handle tessa88; he served as a go-between for the real criminals. A former Yahoo executive, speaking anonymously, claims that the Yahoo architecture collects all user authentication data into a single database.
Type: Data Breach
Threat Actor: tessa88nation-state actor from Eastern Europe
Motivation: Financial gain and espionage
Title: Yahoo Data Breach
Description: Hackers breached Yahoo's networks and gained access to one billion user accounts, which included phone numbers, addresses, and easily cracked hashed passwords. The released data also included certain encrypted and cleartext security questions and answers that had also been compromised. The passwords were secured with the easily cracked MD5 hashing method. The hacker sold the enormous data collection on the Dark Web. Unfortunately, the hacker was paid by at least three distinct buyers two of whom were prominent spammers to obtain the complete information, which they most certainly intended to exploit for espionage purposes.
Type: Data Breach
Attack Vector: Network Breach
Threat Actor: Hackers
Motivation: Espionage
Title: Yahoo! Inc. Data Breach
Description: A data breach involving Yahoo! Inc. was reported by the California Office of the Attorney General on September 22, 2016. A copy of user account information, potentially affecting at least 500 million accounts, was stolen in late 2014 by what Yahoo believes to be a state-sponsored actor. The stolen information may have included names, email addresses, telephone numbers, dates of birth, and hashed passwords, but did not include unprotected passwords, payment card data, or bank account information.
Date Detected: 2016-09-22
Date Publicly Disclosed: 2016-09-22
Type: Data Breach
Attack Vector: State-sponsored actor
Threat Actor: State-sponsored actor
Title: Exposed Elasticsearch Instance Belonging to Leak Zone
Description: An unprotected Elasticsearch instance belonging to Leak Zone, an underground forum, exposed millions of IP addresses of its users. The database contained over 22 million records, including IP addresses and login timestamps, potentially revealing user identities to security researchers, rival criminals, and law enforcement.
Type: Data Leak
Vulnerability Exploited: Exposed Elasticsearch Database
Title: Yahoo Data Breach (2013, Disclosed 2016)
Description: On December 14, 2016, the California Office of the Attorney General reported data security issues concerning Yahoo! Inc. A third party claimed to have Yahoo user data that was stolen in August 2013, affecting over one billion user accounts. The compromised information may have included names, email addresses, phone numbers, and hashed passwords, but not payment card or bank account data.
Date Detected: 2016-12-14
Date Publicly Disclosed: 2016-12-14
Type: Data Breach
Title: 25-Year Analysis of Global Cybercrime Trends and Financial Impact (1999–2024)
Description: Researchers from vpnMentor analyzed 25 years of FBI IC3 data and major global cyber incidents, revealing a 51-fold increase in complaints (from 16,838 in 2000 to 859,532 in 2024) and a record $16.6 billion in losses in 2024 (up 32.8% from 2023). Investment scams ($6.6B) and ransomware ($6B+) dominated corporate losses, while seniors suffered the highest individual financial harm ($4.8B). The analysis highlights evolving cybercriminal tactics, including AI-driven threats, and underscores the need for adaptive defense strategies.
Date Publicly Disclosed: 2024-07-00
Type: cybercrime trend analysis
Attack Vector: phishingsocial engineeringexploiting vulnerabilitiesransomware deploymentAI-driven scams
Threat Actor: cybercriminal syndicatesinvestment scammersransomware groupselder fraud actors
Motivation: financial gaindata theftfraudextortion
Common Attack Types: The most common types of attacks the company has faced is Breach.
Identification of Attack Vectors: The company identifies the attack vectors used in incidents through phishing emailsvulnerable cloud storage (e.g. and Capital One)third-party breaches.

Data Compromised: Names, Email addresses, Telephone numbers, Hashed passwords, Dates of birth, Encrypted or unencrypted security questions and answers

Data Compromised: Email account details

Data Compromised: User authentication data

Data Compromised: Phone numbers, Addresses, Hashed passwords, Security questions and answers

Data Compromised: Names, Email addresses, Telephone numbers, Dates of birth, Hashed passwords

Data Compromised: IP addresses and login timestamps
Systems Affected: Elasticsearch Database
Brand Reputation Impact: High (Underground forum users exposed)
Identity Theft Risk: High

Data Compromised: Names, Email addresses, Phone numbers, Hashed passwords
Brand Reputation Impact: Severe (affected over 1 billion accounts)
Identity Theft Risk: High (PII exposed)
Payment Information Risk: None (payment card/bank data not compromised)

Financial Loss: $16.6 billion (2024 IC3 losses) + $128 billion (1988–2025 corporate incidents)
Data Compromised: 35+ major data breaches (e.g., Yahoo, Equifax, Target, Capital One)
Revenue Loss: $6B+ (ransomware) + $6.6B (investment scams)
Customer Complaints: 859,532 (2024 IC3 complaints)
Brand Reputation Impact: High (notable breaches like Yahoo, Equifax)
Identity Theft Risk: High (data breaches exposed PII)
Payment Information Risk: High (e.g., Capital One cloud breach)
Average Financial Loss: The average financial loss per incident is $1.84 billion.
Commonly Compromised Data Types: The types of data most commonly compromised in incidents are Names, Email Addresses, Telephone Numbers, Hashed Passwords, Dates Of Birth, Encrypted Or Unencrypted Security Questions And Answers, , Email Account Details, , User Authentication Data, , Phone Numbers, Addresses, Hashed Passwords, Security Questions And Answers, , Names, Email Addresses, Telephone Numbers, Dates Of Birth, Hashed Passwords, , IP addresses, login timestamps, Personally Identifiable Information (Pii), Authentication Data, , Personally Identifiable Information (Pii), Payment Card Data, Credit Reports, Cloud-Stored Data and .

Entity Name: Yahoo
Entity Type: Company
Industry: Technology
Location: Global

Customers Affected: 32 million

Entity Name: YahooXtra
Entity Type: Email Service Provider
Industry: Telecommunications

Entity Name: Yahoo
Entity Type: Company
Industry: Technology
Customers Affected: one billion to three billion

Entity Name: Yahoo
Entity Type: Company
Industry: Technology
Location: Global
Size: Large
Customers Affected: One billion

Entity Name: Yahoo! Inc.
Entity Type: Company
Industry: Technology
Customers Affected: 500 million

Entity Name: Leak Zone
Entity Type: Underground Forum
Industry: Cybercrime
Size: Approximately 100,000 members
Customers Affected: 100,000 members

Entity Name: Yahoo! Inc.
Entity Type: Corporation
Industry: Technology (Internet Services)
Location: Sunnyvale, California, USA
Size: Large (global operations)
Customers Affected: 1,000,000,000+

Entity Name: U.S. General Public
Entity Type: individuals
Location: United States
Size: 859,532 complaints (2024)
Customers Affected: 1 in 395 U.S. residents

Entity Name: Seniors (60+ years)
Entity Type: individuals
Location: United States
Customers Affected: 147,127 complaints

Entity Name: Corporations (1988–2025)
Entity Type: organizations
Industry: technology, finance, retail, healthcare
Location: Global
Size: 100 high-profile cases

Entity Name: Yahoo
Entity Type: organization
Industry: technology
Location: Global
Customers Affected: 3 billion (mega-breach)

Entity Name: Equifax
Entity Type: organization
Industry: finance/credit reporting
Location: United States
Customers Affected: 147 million

Entity Name: Target
Entity Type: organization
Industry: retail
Location: United States
Customers Affected: 41 million

Entity Name: Capital One
Entity Type: organization
Industry: finance
Location: United States
Customers Affected: 106 million

Communication Strategy: Yahoo asked affected users to log into their accounts without passwords.

Containment Measures: Database locked down

Law Enforcement Notified: Yes (California Office of the Attorney General)

Third Party Assistance: Fbi Ic3, Vpnmentor Research Team.
Law Enforcement Notified: Yes (FBI IC3 complaints)
Communication Strategy: vpnMentor blog postpublic advisories
Enhanced Monitoring: Recommended (proactive defense strategies)
Third-Party Assistance: The company involves third-party assistance in incident response through FBI IC3, vpnMentor research team, .

Type of Data Compromised: Names, Email addresses, Telephone numbers, Hashed passwords, Dates of birth, Encrypted or unencrypted security questions and answers
Number of Records Exposed: 32 million

Type of Data Compromised: Email account details

Type of Data Compromised: User authentication data
Number of Records Exposed: one billion to three billion

Type of Data Compromised: Phone numbers, Addresses, Hashed passwords, Security questions and answers
Number of Records Exposed: One billion
Sensitivity of Data: High
Data Exfiltration: Yes
Data Encryption: MD5 hashing
Personally Identifiable Information: Yes

Type of Data Compromised: Names, Email addresses, Telephone numbers, Dates of birth, Hashed passwords
Number of Records Exposed: 500 million
Personally Identifiable Information: namesemail addressestelephone numbersdates of birth

Type of Data Compromised: IP addresses, login timestamps
Number of Records Exposed: 22 million
Sensitivity of Data: High
Data Encryption: None
Personally Identifiable Information: IP addresses

Type of Data Compromised: Personally identifiable information (pii), Authentication data
Number of Records Exposed: 1,000,000,000+
Sensitivity of Data: High (includes hashed passwords)
Data Exfiltration: Yes
Data Encryption: Partially (hashed passwords)
Personally Identifiable Information: namesemail addressesphone numbers

Type of Data Compromised: Personally identifiable information (pii), Payment card data, Credit reports, Cloud-stored data
Number of Records Exposed: Billions (e.g., Yahoo: 3B, Equifax: 147M)
Sensitivity of Data: High (PII, financial data)
Data Exfiltration: Yes (e.g., Capital One cloud breach)
Personally Identifiable Information: Yes (names, SSNs, addresses, etc.)
Handling of PII Incidents: The company handles incidents involving personally identifiable information (PII) through by database locked down.

Data Encryption: Yes (corporate ransomware attacks)
Data Exfiltration: Yes (double extortion tactics)

Regulatory Notifications: California Office of the Attorney General

Lessons Learned: Exposed databases continue to be a leading cause of data leaks, often due to human error such as forgetting to set passwords or encrypt data. Cloud security operates on a shared responsibility model, which many IT teams may not fully understand.

Lessons Learned: Cybercrime costs have grown exponentially (51x complaints, 2,477x financial losses since 2000)., Seniors and investment scam victims suffer disproportionate financial harm., Ransomware and data breaches dominate corporate losses ($6B+ and $128B respectively)., AI and evolving tactics require adaptive, proactive cybersecurity strategies., Public-private collaboration (e.g., FBI IC3) is critical for trend analysis and mitigation.

Recommendations: Ensure proper security measures are in place for cloud databases, including password protection and encryption. Educate IT teams on the shared responsibility model for cloud security.

Recommendations: Enhance elder fraud protections and financial literacy programs., Prioritize ransomware defense (backups, segmentation, EDR)., Invest in AI-driven threat detection to counter AI-powered attacks., Strengthen data breach notifications and victim support systems., Expand corporate cybersecurity budgets to match escalating threats.Enhance elder fraud protections and financial literacy programs., Prioritize ransomware defense (backups, segmentation, EDR)., Invest in AI-driven threat detection to counter AI-powered attacks., Strengthen data breach notifications and victim support systems., Expand corporate cybersecurity budgets to match escalating threats.Enhance elder fraud protections and financial literacy programs., Prioritize ransomware defense (backups, segmentation, EDR)., Invest in AI-driven threat detection to counter AI-powered attacks., Strengthen data breach notifications and victim support systems., Expand corporate cybersecurity budgets to match escalating threats.Enhance elder fraud protections and financial literacy programs., Prioritize ransomware defense (backups, segmentation, EDR)., Invest in AI-driven threat detection to counter AI-powered attacks., Strengthen data breach notifications and victim support systems., Expand corporate cybersecurity budgets to match escalating threats.Enhance elder fraud protections and financial literacy programs., Prioritize ransomware defense (backups, segmentation, EDR)., Invest in AI-driven threat detection to counter AI-powered attacks., Strengthen data breach notifications and victim support systems., Expand corporate cybersecurity budgets to match escalating threats.
Key Lessons Learned: The key lessons learned from past incidents are Exposed databases continue to be a leading cause of data leaks, often due to human error such as forgetting to set passwords or encrypt data. Cloud security operates on a shared responsibility model, which many IT teams may not fully understand.Cybercrime costs have grown exponentially (51x complaints, 2,477x financial losses since 2000).,Seniors and investment scam victims suffer disproportionate financial harm.,Ransomware and data breaches dominate corporate losses ($6B+ and $128B respectively).,AI and evolving tactics require adaptive, proactive cybersecurity strategies.,Public-private collaboration (e.g., FBI IC3) is critical for trend analysis and mitigation.
Implemented Recommendations: The company has implemented the following recommendations to improve cybersecurity: Invest in AI-driven threat detection to counter AI-powered attacks., Ensure proper security measures are in place for cloud databases, including password protection and encryption. Educate IT teams on the shared responsibility model for cloud security., Strengthen data breach notifications and victim support systems., Enhance elder fraud protections and financial literacy programs., Expand corporate cybersecurity budgets to match escalating threats., Prioritize ransomware defense (backups, segmentation and EDR)..

Source: California Office of the Attorney General
Date Accessed: 2016-09-22

Source: TechCrunch

Source: California Office of the Attorney General
Date Accessed: 2016-12-14

Source: vpnMentor Blog
URL: https://www.vpnmentor.com/blog/
Date Accessed: 2024-07-00

Source: FBI Internet Crime Complaint Center (IC3) 2024 Report
URL: https://www.ic3.gov/
Date Accessed: 2024-07-00
Additional Resources: Stakeholders can find additional resources on cybersecurity best practices at and Source: California Office of the Attorney GeneralDate Accessed: 2016-09-22, and Source: TechCrunch, and Source: California Office of the Attorney GeneralDate Accessed: 2016-12-14, and Source: vpnMentor BlogUrl: https://www.vpnmentor.com/blog/Date Accessed: 2024-07-00, and Source: FBI Internet Crime Complaint Center (IC3) 2024 ReportUrl: https://www.ic3.gov/Date Accessed: 2024-07-00.

Investigation Status: Resolved (Database locked down)

Investigation Status: Completed (trend analysis)
Communication of Investigation Status: The company communicates the status of incident investigations to stakeholders through Yahoo asked affected users to log into their accounts without passwords., Vpnmentor Blog Post and Public Advisories.

Stakeholder Advisories: Vpnmentor Recommendations For Policymakers, Fbi Ic3 Public Alerts.
Customer Advisories: Elder fraud warningsphishing awareness campaigns
Advisories Provided: The company provides the following advisories to stakeholders and customers following an incident: were Vpnmentor Recommendations For Policymakers, Fbi Ic3 Public Alerts, Elder Fraud Warnings, Phishing Awareness Campaigns and .

Entry Point: Phishing Emails, Vulnerable Cloud Storage (E.G., Capital One), Third-Party Breaches,
High Value Targets: Financial Data, Pii Databases, Corporate Networks,
Data Sold on Dark Web: Financial Data, Pii Databases, Corporate Networks,

Root Causes: Human error (unprotected Elasticsearch instance)
Corrective Actions: Database locked down

Root Causes: Underinvestment In Cybersecurity Relative To Threat Growth, Lack Of Adaptive Defenses Against Ai-Driven Attacks, Insufficient Protections For Vulnerable Demographics (E.G., Seniors), Persistent Vulnerabilities In Cloud Storage And Third-Party Systems,
Corrective Actions: Scale Proactive Threat Hunting And Ai-Based Defenses., Mandate Cybersecurity Training For High-Risk Groups., Enforce Stricter Third-Party Vendor Security Assessments., Expand Fbi Ic3 Resources For Complaint Processing And Trend Analysis.,
Post-Incident Analysis Process: The company's process for conducting post-incident analysis is described as Fbi Ic3, Vpnmentor Research Team, , Recommended (proactive defense strategies).
Corrective Actions Taken: The company has taken the following corrective actions based on post-incident analysis: Database locked down, Scale Proactive Threat Hunting And Ai-Based Defenses., Mandate Cybersecurity Training For High-Risk Groups., Enforce Stricter Third-Party Vendor Security Assessments., Expand Fbi Ic3 Resources For Complaint Processing And Trend Analysis., .
Last Attacking Group: The attacking group in the last incident were an tessa88nation-state actor from Eastern Europe, Hackers, State-sponsored actor and cybercriminal syndicatesinvestment scammersransomware groupselder fraud actors.
Most Recent Incident Detected: The most recent incident detected was on 2016-09-22.
Most Recent Incident Publicly Disclosed: The most recent incident publicly disclosed was on 2024-07-00.
Highest Financial Loss: The highest financial loss from an incident was $16.6 billion (2024 IC3 losses) + $128 billion (1988–2025 corporate incidents).
Most Significant Data Compromised: The most significant data compromised in an incident were Names, Email addresses, Telephone numbers, Hashed passwords, Dates of birth, Encrypted or unencrypted security questions and answers, , Email account details, , User authentication data, , phone numbers, addresses, hashed passwords, security questions and answers, , names, email addresses, telephone numbers, dates of birth, hashed passwords, , IP addresses and login timestamps, names, email addresses, phone numbers, hashed passwords, , 35+ major data breaches (e.g., Yahoo, Equifax, Target and Capital One).
Third-Party Assistance in Most Recent Incident: The third-party assistance involved in the most recent incident was fbi ic3, vpnmentor research team, .
Containment Measures in Most Recent Incident: The containment measures taken in the most recent incident was Database locked down.
Most Sensitive Data Compromised: The most sensitive data compromised in a breach were Email addresses, security questions and answers, Dates of birth, Hashed passwords, addresses, telephone numbers, Names, Email account details, hashed passwords, email addresses, Telephone numbers, 35+ major data breaches (e.g., Yahoo, Equifax, Target, Capital One), User authentication data, names, dates of birth, Encrypted or unencrypted security questions and answers, IP addresses and login timestamps and phone numbers.
Number of Records Exposed in Most Significant Breach: The number of records exposed in the most significant breach was 1.6B.
Most Significant Lesson Learned: The most significant lesson learned from past incidents was Public-private collaboration (e.g., FBI IC3) is critical for trend analysis and mitigation.
Most Significant Recommendation Implemented: The most significant recommendation implemented to improve cybersecurity was Invest in AI-driven threat detection to counter AI-powered attacks., Ensure proper security measures are in place for cloud databases, including password protection and encryption. Educate IT teams on the shared responsibility model for cloud security., Strengthen data breach notifications and victim support systems., Enhance elder fraud protections and financial literacy programs., Expand corporate cybersecurity budgets to match escalating threats., Prioritize ransomware defense (backups, segmentation and EDR)..
Most Recent Source: The most recent source of information about an incident are vpnMentor Blog, FBI Internet Crime Complaint Center (IC3) 2024 Report, California Office of the Attorney General and TechCrunch.
Most Recent URL for Additional Resources: The most recent URL for additional resources on cybersecurity best practices is https://www.vpnmentor.com/blog/, https://www.ic3.gov/ .
Current Status of Most Recent Investigation: The current status of the most recent investigation is Resolved (Database locked down).
Most Recent Stakeholder Advisory: The most recent stakeholder advisory issued was vpnMentor recommendations for policymakers, FBI IC3 public alerts, .
Most Recent Customer Advisory: The most recent customer advisory issued was an Elder fraud warningsphishing awareness campaigns.
Most Significant Root Cause: The most significant root cause identified in post-incident analysis was Human error (unprotected Elasticsearch instance), Underinvestment in cybersecurity relative to threat growthLack of adaptive defenses against AI-driven attacksInsufficient protections for vulnerable demographics (e.g., seniors)Persistent vulnerabilities in cloud storage and third-party systems.
Most Significant Corrective Action: The most significant corrective action taken based on post-incident analysis was Database locked down, Scale proactive threat hunting and AI-based defenses.Mandate cybersecurity training for high-risk groups.Enforce stricter third-party vendor security assessments.Expand FBI IC3 resources for complaint processing and trend analysis..
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Hitachi Vantara Pentaho Data Integration and Analytics Community Dashboard Framework prior to versions 10.2.0.4, including 9.3.0.x and 8.3.x display the full server stack trace when encountering an error within the GetCdfResource servlet.
Pentaho Data Integration and Analytics Community Dashboard Editor plugin versions before 10.2.0.4, including 9.3.0.x and 8.3.x, deserialize untrusted JSON data without constraining the parser to approved classes and methods.
A security flaw has been discovered in CTCMS Content Management System up to 2.1.2. The impacted element is an unknown function in the library /ctcms/libs/Ct_Config.php of the component Backend System Configuration Module. The manipulation of the argument Cj_Add/Cj_Edit results in code injection. The attack can be executed remotely. The exploit has been released to the public and may be exploited.
A vulnerability was identified in CTCMS Content Management System up to 2.1.2. The affected element is the function Save of the file /ctcms/libs/Ct_App.php of the component Backend App Configuration Module. The manipulation of the argument CT_App_Paytype leads to code injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.
Weblate is a web based localization tool. In versions prior to 5.15, it was possible to accept an invitation opened by a different user. Version 5.15. contains a patch. As a workaround, avoid leaving one's Weblate sessions with an invitation opened unattended.

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