GLOBALMalwareTelecom & MediaInformationRansomwareMedusaRansom DemandedActor NamedMedium

Comcast

bd_4c95278c01663749 · schema v1 · pii pii-v1

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Medusa on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.

Group activity: TelecommunicationDiscovered: 2025-10-04

View aggregator listing on ransomware.live

Source: Ransomware.live

Post text · scraped from the leak site

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

Tracked as a single-filing incident — the only disclosure on record for this event so far.Unverified claimView incident

No regulatory filing corroborates this yet. If an SEC 8-K, state-AG notice, or victim statement lands, DisclosureLens will merge it into an incident and link it here.

Source provenance

Source URL: https://www.ransomware.live/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 26, 2025
Raw hash: 93f1217e1d9c4b137576fa29dfe962fc7acd690542d74ba702fa6b2be65b9662

Reporting entity

Name: medusa

Victim entity

Name: Comcast
norm: comcast
Domain: corporate.comcast.com
Industry: Telecom & Mediallm

What this source establishes

Source ceiling: A leak-site claim can't tell us: discovery date · materiality · notification · affected count · confirmed data types · compliance clock. These stay blank until a regulatory filing or victim disclosure lands.
Attack vector: Ransomware· medusa
Threat actor: MedusaExternalFinancial

Compliance

Compliance flags: — (clock not assessable for this source)

Extraction provenance

Status: No extraction artifact recorded for this disclosure.