Data size
243,500 files with a total size of over 170GB. Contents: ins
Files
243,500
Posted
Nov 4, 2026
Publication
Nov 18, 2026
Countdown
Deadline: November 18, 2026 at 15:00
Country
US
Industry
Technology
Summary
Written by ThreatClusterfrom victim profile, leak postBraincipher claims to have exfiltrated 243,500 files totaling over 170GB from ciscocems.com. The group states the material includes inside information, trade secrets, and personal data. The leak is listed as countdown, i.e., not yet published.
Describes what the group claims on its leak site. A listing is not confirmation that a breach occurred.
Victim profile
- Domains
- ciscocems.com
What was taken
243,500 files with a total size of over 170GB. Contents: inside information; trade secrets; personal data. If you think you are here by mistake, please contact us at brain.dataleak...
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 featuring the word "CISCO" in bold blue letters, accompanied by the text "Custom Instrumentation Services Corporation" in a smaller font.
onion leak page177 KB