TalkTalk
Company Details
Linkedin ID:
talktalk
Website:
Employees number:
1,652
Number of followers:
67,388
NAICS:
517
Industry Type:
Homepage:
talktalkgroup.com
IP Addresses:
0
Company ID:
TAL_3304248
Scan Status:
In-progress
TalkTalk Company CyberSecurity Posture
talktalkgroup.com
Welcome to the bolder, braver, electric green world of TalkTalk. We’ve got an updated look, but it’s not just a fresh coat of paint; it’s a new chapter aimed at delivering a better way to Wi-Fi. Part of our ongoing commitment to place customers at the heart of everything we do. Here at TalkTalk, we believe that diversity fuels innovation and success. We’re not your traditional 9-5. We’re a dynamic, flexible workplace. We only ask for skills, strengths, talents and potential – nothing more. Well, apart from being as excited as we are about where we’re going! Check out our careers site for more info.
TalkTalk A.I CyberSecurity Scoring
TalkTalk Risk Score (AI oriented)Between 700 and 749
TalkTalk
Updated:
- Powered by our proprietary A.I cyber incident model
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TalkTalk Global Score (TPRM)XXXX
TalkTalk
- Instant access to detailed risk factors
- Benchmark vs. industry & size peers
- Vulnerabilities
- Findings
TalkTalk Company CyberSecurity News & History
Past Incidents
3
Attack Types
2
TalkTalk
Breach
Rankiteo Explanation
Attack threatening the organization's existence
Description: The Information Commissioner's Office (ICO) has fined TalkTalk a record £400,000 for security flaws that allowed a cyber attacker to access customer data. The attacker accessed the personal data of 156,959 customers including their names, addresses, dates of birth, phone numbers, and email addresses. The attacker also got access to bank account information and sort codes in 15,656 cases.
TalkTalk
Breach
Rankiteo Explanation
Attack threatening the organization’s existence
Description: Hackers targeted UK telco TalkTalk in February 2017, which stole information, including credit card data, on 157,000 customers. They sent a ransom message to TalkTalk demanding 465 bitcoins (worth $125,550 at the time. TalkTalk sent the data breach letters to all affected customers and asked them to be alerted.
TalkTalk
Data Leak
Rankiteo Explanation
Attack with significant impact with customers data leaks
Description: TalkTalk Telecom Group PLC has been fined £100,000 by the Information Commissioner's Office for failing to protect the data of its customers and running the danger of it falling into the hands of scammers and fraudsters. TalkTalk was found to have violated the Data Protection Act by giving workers access to a significant amount of consumer data, according to an ICO investigation. The lack of sufficient security measures made the data vulnerable to abuse by dishonest personnel. The compromised information includes names, addresses, phone numbers, and account numbers. Three Wipro accounts were found to have been used to acquire unauthorized and illegal access to the personal information of up to 21,000 consumers, according to a specialized investigation by TalkTalk. They investigated the incident and took preventive steps to secure its portal.
TalkTalk Company Scoring based on AI Models
Cyber Incidents Likelihood 3 - 6 - 9 months
A.I Risk Score Likelihood 3 - 6 - 9 months
Underwriter Stats for TalkTalk
Incidents vs Telecommunications Industry Average (This Year)
No incidents recorded for TalkTalk in 2025.
Incidents vs All-Companies Average (This Year)
No incidents recorded for TalkTalk in 2025.
Incident Types TalkTalk vs Telecommunications Industry Avg (This Year)
No incidents recorded for TalkTalk in 2025.
Incident History — TalkTalk (X = Date, Y = Severity)
TalkTalk cyber incidents detection timeline including parent company and subsidiaries
TalkTalk Company Subsidiaries
Welcome to the bolder, braver, electric green world of TalkTalk. We’ve got an updated look, but it’s not just a fresh coat of paint; it’s a new chapter aimed at delivering a better way to Wi-Fi. Part of our ongoing commitment to place customers at the heart of everything we do. Here at TalkTalk, we believe that diversity fuels innovation and success. We’re not your traditional 9-5. We’re a dynamic, flexible workplace. We only ask for skills, strengths, talents and potential – nothing more. Well, apart from being as excited as we are about where we’re going! Check out our careers site for more info.
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TalkTalk CyberSecurity News
October 09, 2025 07:00 AM
Cybersecurity Trust Gaps: Why Stakeholders Believe Hackers Before They Believe You
Not long ago, hackers claimed to have stolen nearly 19 million customer records from TalkTalk. Within hours, that number appeared in...
February 10, 2025 08:00 AM
Major Cyber Attacks in Review: January 2025
This article examines the biggest cybersecurity incidents of January 2025, their implications, and what organizations can learn from these attacks.
January 27, 2025 11:40 AM
TalkTalk investigates ‘customer data breach’ after hacker puts private details for sale online
TALKTALK has launched an investigation into a third-party data breach, after a hacker allegedly put customers' details for sale online.A statement fro.
January 27, 2025 08:00 AM
TalkTalk investigating data breach after hacker claims theft of customer data
A hacker claims to be selling the data of 18.8 million TalkTalk customers, but the telecoms giant says this figure is 'significantly...
January 27, 2025 08:00 AM
TalkTalk Investigates Data Breach Amid Hacker Claims in 2025
TalkTalk is currently investigating a potential data breach following claims made by a hacker who alleges to have stolen the personal data of millions of...
January 27, 2025 08:00 AM
27th January – Threat Intelligence Report
For the latest discoveries in cyber research for the week of 27th January, please download our Threat Intelligence Bulletin.
January 22, 2025 08:00 AM
Massive Data Breach Hits TalkTalk: 18 Million Customers Affected
In a shocking revelation, a massive data breach involving British telecommunications giant TalkTalk has surfaced, with sensitive information...
January 21, 2025 08:00 AM
TalkTalk Investigates Breach After Data for Sale on Hacking Forum
UK telecommunications company TalkTalk is investigating a potential data breach involving one of its third-party suppliers, after a threat...
November 30, 2024 12:57 PM
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Frequently Asked Questions
Explore insights on cybersecurity incidents, risk posture, and Rankiteo's assessments.
TalkTalk CyberSecurity History Information
Official Website of TalkTalk
The official website of TalkTalk is https://careers.talktalk.co.uk/.
TalkTalk’s AI-Generated Cybersecurity Score
According to Rankiteo, TalkTalk’s AI-generated cybersecurity score is 725, reflecting their Moderate security posture.
How many security badges does TalkTalk’ have ?
According to Rankiteo, TalkTalk currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.
Does TalkTalk have SOC 2 Type 1 certification ?
According to Rankiteo, TalkTalk is not certified under SOC 2 Type 1.
Does TalkTalk have SOC 2 Type 2 certification ?
According to Rankiteo, TalkTalk does not hold a SOC 2 Type 2 certification.
Does TalkTalk comply with GDPR ?
According to Rankiteo, TalkTalk is not listed as GDPR compliant.
Does TalkTalk have PCI DSS certification ?
According to Rankiteo, TalkTalk does not currently maintain PCI DSS compliance.
Does TalkTalk comply with HIPAA ?
According to Rankiteo, TalkTalk is not compliant with HIPAA regulations.
Does TalkTalk have ISO 27001 certification ?
According to Rankiteo,TalkTalk is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.
Industry Classification of TalkTalk
TalkTalk operates primarily in the Telecommunications industry.
Number of Employees at TalkTalk
TalkTalk employs approximately 1,652 people worldwide.
Subsidiaries Owned by TalkTalk
TalkTalk presently has no subsidiaries across any sectors.
TalkTalk’s LinkedIn Followers
TalkTalk’s official LinkedIn profile has approximately 67,388 followers.
NAICS Classification of TalkTalk
TalkTalk is classified under the NAICS code 517, which corresponds to Telecommunications.
TalkTalk’s Presence on Crunchbase
No, TalkTalk does not have a profile on Crunchbase.
TalkTalk’s Presence on LinkedIn
Yes, TalkTalk maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/talktalk.
Cybersecurity Incidents Involving TalkTalk
As of December 15, 2025, Rankiteo reports that TalkTalk has experienced 3 cybersecurity incidents.
Number of Peer and Competitor Companies
TalkTalk has an estimated 9,739 peer or competitor companies worldwide.
What types of cybersecurity incidents have occurred at TalkTalk ?
Incident Types: The types of cybersecurity incidents that have occurred include Data Leak and Breach.
What was the total financial impact of these incidents on TalkTalk ?
Total Financial Loss: The total financial loss from these incidents is estimated to be $400 thousand.
How does TalkTalk detect and respond to cybersecurity incidents ?
Detection and Response: The company detects and responds to cybersecurity incidents through an remediation measures with preventive steps to secure its portal, and communication strategy with talktalk sent the data breach letters to all affected customers and asked them to be alerted...
Incident Details
Can you provide details on each incident ?
Title: TalkTalk Data Breach
Description: The Information Commissioner's Office (ICO) has fined TalkTalk a record £400,000 for security flaws that allowed a cyber attacker to access customer data. The attacker accessed the personal data of 156,959 customers including their names, addresses, dates of birth, phone numbers, and email addresses. The attacker also got access to bank account information and sort codes in 15,656 cases.
Type: Data Breach
Title: TalkTalk Data Breach
Description: TalkTalk Telecom Group PLC has been fined £100,000 by the Information Commissioner's Office for failing to protect the data of its customers and running the danger of it falling into the hands of scammers and fraudsters.
Type: Data Breach
Attack Vector: Internal Employee Access
Vulnerability Exploited: Insufficient security measures
Threat Actor: Dishonest Employees
Motivation: Unauthorized Access
Title: TalkTalk Data Breach and Ransom Demand
Description: Hackers targeted UK telco TalkTalk in February 2017, which stole information, including credit card data, on 157,000 customers. They sent a ransom message to TalkTalk demanding 465 bitcoins (worth $125,550 at the time). TalkTalk sent the data breach letters to all affected customers and asked them to be alerted.
Date Detected: February 2017
Type: Data Breach, Ransomware
Motivation: Financial gain
What are the most common types of attacks the company has faced ?
Common Attack Types: The most common types of attacks the company has faced is Breach.
Impact of the Incidents
What was the impact of each incident ?
Incident : Data Breach TAL21458622
Financial Loss: £400,000
Data Compromised: Names, Addresses, Dates of birth, Phone numbers, Email addresses, Bank account information, Sort codes
Incident : Data Breach TAL175781122
Data Compromised: Names, addresses, phone numbers, and account numbers
Legal Liabilities: £100,000 fine
Incident : Data Breach, Ransomware TAL232161122
Data Compromised: Credit card data
What is the average financial loss per incident ?
Average Financial Loss: The average financial loss per incident is $133.33 thousand.
What types of data are most commonly compromised in incidents ?
Commonly Compromised Data Types: The types of data most commonly compromised in incidents are Personal Information, Bank Account Information, , Personally Identifiable Information, Credit Card Data and .
Which entities were affected by each incident ?
Incident : Data Breach TAL21458622
Entity Name: TalkTalk
Entity Type: Company
Industry: Telecommunications
Customers Affected: 156959
Incident : Data Breach TAL175781122
Entity Name: TalkTalk Telecom Group PLC
Entity Type: Telecommunications
Industry: Telecommunications
Customers Affected: 21,000
Incident : Data Breach, Ransomware TAL232161122
Entity Name: TalkTalk
Entity Type: Telecommunications
Industry: Telecommunications
Location: United Kingdom
Customers Affected: 157000
Response to the Incidents
What measures were taken in response to each incident ?
Incident : Data Breach TAL175781122
Remediation Measures: Preventive steps to secure its portal
Incident : Data Breach, Ransomware TAL232161122
Communication Strategy: TalkTalk sent the data breach letters to all affected customers and asked them to be alerted.
Data Breach Information
What type of data was compromised in each breach ?
Incident : Data Breach TAL21458622
Type of Data Compromised: Personal information, Bank account information
Number of Records Exposed: 156959
Sensitivity of Data: High
Incident : Data Breach TAL175781122
Type of Data Compromised: Personally Identifiable Information
Number of Records Exposed: 21,000
Sensitivity of Data: High
Personally Identifiable Information: Names, addresses, phone numbers, and account numbers
Incident : Data Breach, Ransomware TAL232161122
Type of Data Compromised: Credit card data
Number of Records Exposed: 157000
What measures does the company take to prevent data exfiltration ?
Prevention of Data Exfiltration: The company takes the following measures to prevent data exfiltration: Preventive steps to secure its portal.
Ransomware Information
Was ransomware involved in any of the incidents ?
Incident : Data Breach, Ransomware TAL232161122
Ransom Demanded: 465
Regulatory Compliance
Were there any regulatory violations and fines imposed for each incident ?
Incident : Data Breach TAL21458622
Fines Imposed: £400,000
Investigation Status
How does the company communicate the status of incident investigations to stakeholders ?
Communication of Investigation Status: The company communicates the status of incident investigations to stakeholders through TalkTalk sent the data breach letters to all affected customers and asked them to be alerted..
Stakeholder and Customer Advisories
Were there any advisories issued to stakeholders or customers for each incident ?
Incident : Data Breach, Ransomware TAL232161122
Customer Advisories: TalkTalk sent the data breach letters to all affected customers and asked them to be alerted.
What advisories does the company provide to stakeholders and customers following an incident ?
Advisories Provided: The company provides the following advisories to stakeholders and customers following an incident: was TalkTalk sent the data breach letters to all affected customers and asked them to be alerted..
Post-Incident Analysis
What were the root causes and corrective actions taken for each incident ?
Incident : Data Breach TAL175781122
Root Causes: Insufficient security measures
Additional Questions
General Information
What was the amount of the last ransom demanded ?
Last Ransom Demanded: The amount of the last ransom demanded was 465.
Who was the attacking group in the last incident ?
Last Attacking Group: The attacking group in the last incident was an Dishonest Employees.
Incident Details
What was the most recent incident detected ?
Most Recent Incident Detected: The most recent incident detected was on February 2017.
Impact of the Incidents
What was the highest financial loss from an incident ?
Highest Financial Loss: The highest financial loss from an incident was £400,000.
What was the most significant data compromised in an incident ?
Most Significant Data Compromised: The most significant data compromised in an incident were Names, Addresses, Dates of Birth, Phone Numbers, Email Addresses, Bank Account Information, Sort Codes, , Names, addresses, phone numbers, and account numbers, Credit card data and .
Data Breach Information
What was the most sensitive data compromised in a breach ?
Most Sensitive Data Compromised: The most sensitive data compromised in a breach were Phone Numbers, Names, Email Addresses, Names, addresses, phone numbers, and account numbers, Credit card data, Sort Codes, Addresses, Bank Account Information and Dates of Birth.
What was the number of records exposed in the most significant breach ?
Number of Records Exposed in Most Significant Breach: The number of records exposed in the most significant breach was 22.3K.
Ransomware Information
What was the highest ransom demanded in a ransomware incident ?
Highest Ransom Demanded: The highest ransom demanded in a ransomware incident was 465.
Regulatory Compliance
What was the highest fine imposed for a regulatory violation ?
Highest Fine Imposed: The highest fine imposed for a regulatory violation was £400,000, £100,000.
Stakeholder and Customer Advisories
What was the most recent customer advisory issued ?
Most Recent Customer Advisory: The most recent customer advisory issued was an TalkTalk sent the data breach letters to all affected customers and asked them to be alerted.
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Latest Global CVEs (Not Company-Specific)
Description
NXLog Agent before 6.11 can load a file specified by the OPENSSL_CONF environment variable.
Risk Information
cvss3
Base: 8.1
Severity: HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Description
uriparser through 0.9.9 allows unbounded recursion and stack consumption, as demonstrated by ParseMustBeSegmentNzNc with large input containing many commas.
Risk Information
cvss3
Base: 2.9
Severity: HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Description
A vulnerability was detected in Mayan EDMS up to 4.10.1. The affected element is an unknown function of the file /authentication/. The manipulation results in cross site scripting. The attack may be performed from remote. The exploit is now public and may be used. Upgrading to version 4.10.2 is sufficient to fix this issue. You should upgrade the affected component. The vendor confirms that this is "[f]ixed in version 4.10.2". Furthermore, that "[b]ackports for older versions in process and will be out as soon as their respective CI pipelines complete."
Risk Information
cvss2
Base: 5.0
Severity: LOW
AV:N/AC:L/Au:N/C:N/I:P/A:N
cvss3
Base: 4.3
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
cvss4
Base: 5.3
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Description
MJML through 4.18.0 allows mj-include directory traversal to test file existence and (in the type="css" case) read files. NOTE: this issue exists because of an incomplete fix for CVE-2020-12827.
Risk Information
cvss3
Base: 4.5
Severity: HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:L
Description
A half-blind Server Side Request Forgery (SSRF) vulnerability exists in kube-controller-manager when using the in-tree Portworx StorageClass. This vulnerability allows authorized users to leak arbitrary information from unprotected endpoints in the control plane’s host network (including link-local or loopback services).
Risk Information
cvss3
Base: 5.8
Severity: HIGH
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
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