Comcast
ent_019dee56a8f6ee03d07c13f84b8c1c6e
Disclosures
3
Leak Site · 1 jurisdiction
Incidents
—
no linked incident in sample
Max affected reported
—
no filed count in sample
Leak-site claims
3
unverified actor claims
Identity resolution
- Canonical name
- Comcast
- Normalized
- comcast— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- 51M0QTTNCGUN7KFCFZ59
- SEC EDGAR CIK
- 0001166691
- Domain
- corporate.comcast.com
Unverified threat-actor claim — not a regulatory filing
Attribution, victim identity, and counts shown here derive from a threat actor's public extortion-blog claims, aggregated by ransomware.live. They have not been validated by the victim or any regulator. Treat them as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Disclosure history (3)newest first
- GLOBALLeak Siteas victim2025-12-15
REUP FOR SALE The archive contains samples of the Comcast leak. The total file size is approximately 2 TB. It includes numerous DWG drawings, PDF plans of various cities with infrastructure, and other files related to the Genesis project. The entire lot is being sold as a single lot. Please submit your contact information and suggestions via the feedback form. https://corporate.comcast.com/
- GLOBALLeak Siteas victim2025-12-07
As a global media and tech company, Comcast reaches hundreds of millions of customers, viewers, and guests with world-class connectivity and platforms and beloved content and experiences.The leak was made possible by Quasar Inc., a company that prepares technical documentation for Comсast and its Genesis project. The files contain design documentation for numerous cities, as well as detailed utility plans. https://corporate.comcast.com/
- GLOBALLeak Siteas victim2025-09-26
Comcast Corporation operates as a media and technology company worldwide. It operates through Residential Connectivity & Platforms, Business Services Connectivity, Media, Studios, and Theme Parks segments. The Residential Connectivity & Platforms segment provides residential broadband and wireless connectivity services, residential and business video services, sky-branded entertainment television networks, and advertising. The Business Services Connectivity segment offers connectivity services for small business locations, which include broadband, wireline voice, and wireless services, as well as solutions for medium-sized customers and larger enterprises; and small business connectivity services in the United Kingdom. company is headquartered in Comcast Center 1701 John F. Kennedy Boulevard Philadelphia, PA 19103 United States. 182,000 Employees. The total amount of data leakage is 834.4 GB
Subsidiary disclosures (9)filed by group companies
◈ These filings were made by or about subsidiaries of Comcast — not by Comcast itself. Corporate relationships are mapped from GLEIF relationship records and SEC Exhibit 21 filings.
- 🏎️Indiana State AGvia COMCAST CABLE COMMUNICATIONS, LLC2024-07-17
Comcast Cable Communications Corporation reported a data breach to the Indiana Attorney General. The breach occurred on 2024-02-14 and was reported on 2024-07-17. 16,371 Indiana residents were affected. 237,703 individuals affected in total.
- 🍁Vermont State AGvia COMCAST CABLE COMMUNICATIONS, LLC2024-03-15
National Cable Communications LLC (d/b/a Ampersand) notified consumers of a cybersecurity incident occurring around September 28, 2023. The unauthorized actor acquired personal information including full names. The breach was discovered on March 1, 2024, following forensic investigation. The company engaged external cybersecurity professionals and is offering 12 months of identity theft protection services through IDX to affected individuals.
- 🏎️Indiana State AGvia COMCAST CABLE COMMUNICATIONS, LLC2024-01-26
Comcast Cable Communications LLC reported a data breach to the Indiana Attorney General. The breach occurred on 2023-10-16 and was reported on 2024-01-26. 4 Indiana residents were affected. 2,302 individuals affected in total.
- 🦞Maine State AGvia COMCAST CABLE COMMUNICATIONS, LLC2024-01-26
Comcast Cable Communications LLC reported a supplemental state-agency data breach notice to the Maine Attorney General. The incident, occurring between October 16 and 19, 2023, involved an external system breach (hacking) discovered on January 18, 2024. The breach impacted 2,302 individuals, including 2 Maine residents, whose Social Security numbers and/or driver's license numbers were compromised. Comcast provided 24 months of credit monitoring and identity restoration services to affected individuals.
- 🍁Vermont State AGvia COMCAST CABLE COMMUNICATIONS, LLC2023-12-18
Comcast Cable Communications (Xfinity) notified consumers of a data security incident where unauthorized access occurred between Oct 16-19, 2023, exploiting a Citrix vulnerability. Information acquired included usernames, hashed passwords, names, contact info, last 4 digits of SSNs, and DOBs. Comcast patched systems, notified law enforcement, and required password resets.
- 🐻California State AGvia COMCAST CABLE COMMUNICATIONS, LLC2023-12-18
Comcast Cable Communications LLC disclosed unauthorized access to internal systems between Oct 16-19, 2023, resulting from a vulnerability in Citrix software. The incident involved usernames, hashed passwords, and for some customers, names, contact info, last four digits of SSN, DOB, and secret questions. Systems were patched, law enforcement notified, and customers prompted to reset passwords and enable MFA.
- 🌲Washington State AGvia COMCAST CABLE COMMUNICATIONS, LLC2023-12-18
Comcast Cable Communications LLC, a business sector entity reported a other incident to the Washington Attorney General. The organization became aware of the incident on 2023-10-25 and filed notice on 2023-12-18. 3,100,608 Washington residents were affected. 54 days elapsed between awareness and notification. 9 days to identify the breach. 0 days to contain the breach.
- 🦞Maine State AGvia COMCAST CABLE COMMUNICATIONS, LLC2023-12-18
Comcast Cable Communications LLC reported an external system breach that affected 50,782 Maine residents. The incident occurred between October 16, 2023, and October 19, 2023, and was discovered on December 6, 2023. Notification to affected consumers was sent on December 18, 2023.
- 🦫Oregon State AGvia COMCAST CABLE COMMUNICATIONS, LLC2023-12-18
Comcast Cable Communications LLC reported a data breach to the Oregon Attorney General. The breach was reported on 2023-12-18. The breach occurred during 10/16/2023 - 10/19/2023. The breach was discovered on 12/6/2023. 35,879,455 individuals were affected. Notice was sent on 12/18/2023.