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Medusa Ransomware Leaks 834 GB of Comcast Data After $1.2M Demand

ID: 4a83c291-65f1-5506-8f31-413ce5dda5f0

STIX ID: report--4a83c291-65f1-5506-8f31-413ce5dda5f0

Feed Name: HackRead

Threat Score
78/100

Date Published: 2025-10-23

Date Updated: 2026-04-22

Author: Waqas

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Medusa ransomware claims to have breached Comcast in late September 2025 and published a 186.36 GB compressed archive (claimed to decompress to ~834 GB) of stolen corporate data after demanding $1.2M; leaked files include spreadsheets and analysis scripts. The report links Medusa to prior confirmed breaches (e.g., NASCAR) and observes active exploitation of the GoAnywhere MFT RCE (CVE-2025-10035), underscoring an ongoing, high-impact ransomware threat.

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