2026 AECOM — BrainCipher leak-site claim (unverified)
Data compromised
Actor listing; no company-attested PII census at indexing.
Technical writeup
Unverified leak-site / extortion claim — BrainCipher listing for aecom.com observed on ransomware trackers around September 17–18, 2026. AECOM confirmation not located at indexing. Do not use Breachsense as a source. recordsAffected 0; companyConfirmed false.
Root cause
Unverified BrainCipher ransomware leak-site listing (Sep 17, 2026)