Data size
670 GB
Posted
Sep 17, 2026
Countdown
Deadline: September 25, 2026 at 15:00
Country
US
Industry
Professional Services
Summary
Written by ThreatClusterfrom victim profile, leak post, screenshotThe group claims to have obtained 670 GB of data that most likely belongs to a Fortune 500 company, with aecom.com listed as the victim. Publication status is countdown, with a deadline shown as September 25, 2026 at 15:00. The leak page identifies the victim domain as aecom.com.
Describes what the group claims on its leak site. A listing is not confirmation that a breach occurred.
What was taken
We've obtained 670 GB of data that most likely belongs to a Fortune 500 company. Stay tuned for more details — it's going to be interesting. If you think you are here by mistake, please contact us at [email protected]
Leak site tags
Brain Cipher DataLeak
Leak-site images (2)
Images from the victim's leak listing. Thumbnails scraped from the onion page are blurred by default — click a thumbnail to view.
ThreatCluster capture
Logo of AECOM, featuring the name in bold, uppercase letters with a stylized design.
onion leak page12 KB
Negotiation
Email [email protected]