[BRAINCIPHER] – Ransomware Victim: aecom[.]com

Verification alert Listings attributed to BRAINCIPHER have been reported as including unverified or fabricated victim claims. Treat this post as unconfirmed until corroborated with independent evidence. See further information here: BankInfoSecurity

See further information here: BankInfoSecurity

NOTE: No files or stolen information are exfiltrated, downloaded, taken, hosted, seen, reposted, or disclosed by RedPacket Security. Any legal issues relating to the content should be directed at the attackers, not RedPacket Security. This blog is an editorial notice informing that a company has fallen victim to a ransomware attack. RedPacket Security is not affiliated with any ransomware threat actors or groups and will not host infringing content. The information on this page is automated and redacted whilst being scraped directly from the BRAINCIPHER Onion Dark Web Tor Blog page.

AI Generated Summary of the Ransomware Leak Page

On September 17, 2026, the ransomware group BrainCipher allegedly listed aecom.com, a United States-based organization in the professional services sector, on its leak site. The available post identifies aecom.com as a global infrastructure and engineering firm providing design, consulting, construction, and management services across transportation, water, environmental, energy, and government-facility sectors. The listing claims an association between BrainCipher and aecom.com, but it does not provide specific details the alleged intrusion, the systems affected, or the data involved. The available information does not specify whether aecom.com systems were encrypted, whether data was exfiltrated, or whether the incident should be classified as a confirmed data leak. No ransom demand, ransom amount, stolen-data volume, or release date is provided. The page contains no screenshots or other images, and no supporting files or download information are indicated. The date above is the post date, as no separate compromise date is available.

On September 17, 2026, the ransomware group BrainCipher allegedly listed aecom.com, a United States-based organization in the professional services sector, on its leak site. The available post identifies aecom.com as a global infrastructure and engineering firm providing design, consulting, construction, and management services across transportation, water, environmental, energy, and government-facility sectors. The listing claims an association between BrainCipher and aecom.com, but it does not provide specific details the alleged intrusion, the systems affected, or the data involved.

The available information does not specify whether aecom.com systems were encrypted, whether data was exfiltrated, or whether the incident should be classified as a confirmed data leak. No ransom demand, ransom amount, stolen-data volume, or release date is provided. The page contains no screenshots or other images, and no supporting files or download information are indicated. The date above is the post date, as no separate compromise date is available.

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