Company Details
at&t-bell-laboratories
42
922
335
wikipedia.org
0
AT&_2598648
In-progress


AT&T Bell Laboratories Alumni Company CyberSecurity Posture
wikipedia.orgPreeminent research and development organization. Inventor of the transistor, the laser, C programming language, UNIX.
Company Details
at&t-bell-laboratories
42
922
335
wikipedia.org
0
AT&_2598648
In-progress
Between 600 and 649

ABLA Global Score (TPRM)XXXX

Description: AT&T suffered a major data breach where a database containing over 86 million customers' personal information was exfiltrated by the ShinyHunters hacking group from a Snowflake environment. The leaked data, reuploaded on a Russian cybercrime forum in early July (after an initial exposure in mid-May), included full names, phone numbers, home addresses, email addresses, birthdates, and nearly 44 million decrypted Social Security numbers (SSNs). While attackers claimed the data was linked to a prior Snowflake-related breach, investigations revealed discrepancies earlier leaks had encrypted SSNs and were less structured. AT&T acknowledged the incident, stating cybercriminals often repackage old data for financial exploitation, and confirmed an ongoing investigation. The exposure of highly sensitive PII (Personally Identifiable Information), particularly decrypted SSNs, poses severe risks of identity theft, financial fraud, and long-term reputational damage to affected customers. The breach underscores vulnerabilities in third-party cloud environments (Snowflake) and the persistent threat of sophisticated hacking collectives like ShinyHunters.


No incidents recorded for AT&T Bell Laboratories Alumni in 2026.
No incidents recorded for AT&T Bell Laboratories Alumni in 2026.
No incidents recorded for AT&T Bell Laboratories Alumni in 2026.
ABLA cyber incidents detection timeline including parent company and subsidiaries

Preeminent research and development organization. Inventor of the transistor, the laser, C programming language, UNIX.

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Explore insights on cybersecurity incidents, risk posture, and Rankiteo's assessments.
The official website of AT&T Bell Laboratories Alumni is https://en.wikipedia.org/wiki/Bell_Labs.
According to Rankiteo, AT&T Bell Laboratories Alumni’s AI-generated cybersecurity score is 625, reflecting their Poor security posture.
According to Rankiteo, AT&T Bell Laboratories Alumni currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.
According to Rankiteo, AT&T Bell Laboratories Alumni has not been affected by any supply chain cyber incidents, and no incident IDs are currently listed for the organization.
According to Rankiteo, AT&T Bell Laboratories Alumni is not certified under SOC 2 Type 1.
According to Rankiteo, AT&T Bell Laboratories Alumni does not hold a SOC 2 Type 2 certification.
According to Rankiteo, AT&T Bell Laboratories Alumni is not listed as GDPR compliant.
According to Rankiteo, AT&T Bell Laboratories Alumni does not currently maintain PCI DSS compliance.
According to Rankiteo, AT&T Bell Laboratories Alumni is not compliant with HIPAA regulations.
According to Rankiteo,AT&T Bell Laboratories Alumni is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.
AT&T Bell Laboratories Alumni operates primarily in the Appliances, Electrical, and Electronics Manufacturing industry.
AT&T Bell Laboratories Alumni employs approximately 42 people worldwide.
AT&T Bell Laboratories Alumni presently has no subsidiaries across any sectors.
AT&T Bell Laboratories Alumni’s official LinkedIn profile has approximately 922 followers.
AT&T Bell Laboratories Alumni is classified under the NAICS code 335, which corresponds to Electrical Equipment, Appliance, and Component Manufacturing.
No, AT&T Bell Laboratories Alumni does not have a profile on Crunchbase.
Yes, AT&T Bell Laboratories Alumni maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/at&t-bell-laboratories.
As of January 24, 2026, Rankiteo reports that AT&T Bell Laboratories Alumni has experienced 1 cybersecurity incidents.
AT&T Bell Laboratories Alumni has an estimated 9,411 peer or competitor companies worldwide.
Incident Types: The types of cybersecurity incidents that have occurred include Breach.
Detection and Response: The company detects and responds to cybersecurity incidents through an incident response plan activated with yes (investigation ongoing), and communication strategy with public statement acknowledging investigation and discrepancies in leak claims..
Title: AT&T Customer Data Leak Linked to ShinyHunters and Snowflake Breach
Description: AT&T had a database with over 86 million customers' information purportedly exfiltrated by the ShinyHunters hacking operation from a Snowflake environment. The data was reuploaded on a Russian cybercrime forum earlier this month after being initially exposed in mid-May. The leaked data included full names, phone numbers, home addresses, email addresses, birthdates, and almost 44 million Social Security numbers (allegedly fully decrypted). AT&T is investigating the newest data leak allegations, noting discrepancies between this leak and the earlier Snowflake-related breach. The company suggested cybercriminals may have repackaged previously disclosed data for financial gain.
Date Publicly Disclosed: 2024-06
Type: data breach
Attack Vector: third-party cloud environment (Snowflake) compromise
Threat Actor: ShinyHunters
Motivation: financial gain
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 Snowflake environment.

Data Compromised: Full names, Phone numbers, Home addresses, Email addresses, Birthdates, Social security numbers (44 million, allegedly decrypted)
Systems Affected: Snowflake environment
Brand Reputation Impact: potential reputational damage due to large-scale data exposure and allegations of repackaged breach data
Identity Theft Risk: high (due to exposure of PII including SSNs)
Commonly Compromised Data Types: The types of data most commonly compromised in incidents are Personally Identifiable Information (Pii), Sensitive Personal Data and .

Entity Name: AT&T
Entity Type: telecommunications company
Industry: telecommunications
Location: United States
Size: large enterprise
Customers Affected: 86 million+

Incident Response Plan Activated: yes (investigation ongoing)
Communication Strategy: public statement acknowledging investigation and discrepancies in leak claims

Type of Data Compromised: Personally identifiable information (pii), Sensitive personal data
Number of Records Exposed: 86 million+ (including 44 million SSNs)
Sensitivity of Data: high (includes SSNs, birthdates, addresses, etc.)
Data Exfiltration: yes (via Snowflake environment)
Data Encryption: partially (SSNs were encrypted in earlier leak but allegedly decrypted in reuploaded data)
Personally Identifiable Information: full namesphone numbershome addressesemail addressesbirthdatesSocial Security numbers

Source: Hackread
Additional Resources: Stakeholders can find additional resources on cybersecurity best practices at and Source: Hackread.

Investigation Status: ongoing (AT&T investigating discrepancies in leak claims)
Communication of Investigation Status: The company communicates the status of incident investigations to stakeholders through public statement acknowledging investigation and discrepancies in leak claims.

Entry Point: Snowflake environment
High Value Targets: Customer Pii Database,
Data Sold on Dark Web: Customer Pii Database,
Last Attacking Group: The attacking group in the last incident was an ShinyHunters.
Most Recent Incident Publicly Disclosed: The most recent incident publicly disclosed was on 2024-06.
Most Significant Data Compromised: The most significant data compromised in an incident were full names, phone numbers, home addresses, email addresses, birthdates, Social Security numbers (44 million, allegedly decrypted) and .
Most Significant System Affected: The most significant system affected in an incident was Snowflake environment.
Most Sensitive Data Compromised: The most sensitive data compromised in a breach were birthdates, home addresses, Social Security numbers (44 million, allegedly decrypted), full names, email addresses and phone numbers.
Number of Records Exposed in Most Significant Breach: The number of records exposed in the most significant breach was 130.0M.
Most Recent Source: The most recent source of information about an incident is Hackread.
Current Status of Most Recent Investigation: The current status of the most recent investigation is ongoing (AT&T investigating discrepancies in leak claims).
Most Recent Entry Point: The most recent entry point used by an initial access broker was an Snowflake environment.
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Typemill is a flat-file, Markdown-based CMS designed for informational documentation websites. A reflected Cross-Site Scripting (XSS) exists in the login error view template `login.twig` of versions 2.19.1 and below. The `username` value can be echoed back without proper contextual encoding when authentication fails. An attacker can execute script in the login page context. This issue has been fixed in version 2.19.2.
A DOM-based Cross-Site Scripting (XSS) vulnerability exists in the DomainCheckerApp class within domain/script.js of Sourcecodester Domain Availability Checker v1.0. The vulnerability occurs because the application improperly handles user-supplied data in the createResultElement method by using the unsafe innerHTML property to render domain search results.
A Remote Code Execution (RCE) vulnerability exists in Sourcecodester Modern Image Gallery App v1.0 within the gallery/upload.php component. The application fails to properly validate uploaded file contents. Additionally, the application preserves the user-supplied file extension during the save process. This allows an unauthenticated attacker to upload arbitrary PHP code by spoofing the MIME type as an image, leading to full system compromise.
A UNIX symbolic link following issue in the jailer component in Firecracker version v1.13.1 and earlier and 1.14.0 on Linux may allow a local host user with write access to the pre-created jailer directories to overwrite arbitrary host files via a symlink attack during the initialization copy at jailer startup, if the jailer is executed with root privileges. To mitigate this issue, users should upgrade to version v1.13.2 or 1.14.1 or above.
An information disclosure vulnerability exists in the /srvs/membersrv/getCashiers endpoint of the Aptsys gemscms backend platform thru 2025-05-28. This unauthenticated endpoint returns a list of cashier accounts, including names, email addresses, usernames, and passwords hashed using MD5. As MD5 is a broken cryptographic function, the hashes can be easily reversed using public tools, exposing user credentials in plaintext. This allows remote attackers to perform unauthorized logins and potentially gain access to sensitive POS operations or backend functions.

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