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Nova Ransomware Allegedly Claiming Breach of KPMG Netherlands

ID: 72df25bd-23b0-59a7-ba25-47adf2b9bf8e

STIX ID: report--72df25bd-23b0-59a7-ba25-47adf2b9bf8e

Feed Name: cybersecurityNews.com

Threat Score
75/100

Date Published: 2026-01-26

Date Updated: 2026-04-21

Author: Abinaya

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Nova ransomware claims to have breached KPMG Netherlands and exfiltrated sensitive client data, with the incident discovered and indexed on January 23, 2026; the group published the breach on Tor-based leak infrastructure, cites uvicorn-backed servers, and issued a 10-day ultimatum for contact and ransom negotiation, while KPMG has not publicly confirmed the breach.

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