Security · High impactFan score 46 · Tier B4 sources
Chainalysis says hackers stole credentials and tokens for all of its customers
Ars Technica · By Dan Goodin ·

The Brief
- Chainalysis said some information belonging to all its users was exposed in a cyberattack.
- Exposed data reportedly includes names, usernames, password hashes and live tokens for all users.
- Chainalysis removed access to Reactor and Data services while it investigated.
Why it matters
Developers using Chainalysis services may have credentials and live tokens exposed, so any integration with its APIs or platforms should be treated as potentially compromised until rotated.
Who’s affected
- Chainalysis customers and users
- Developers integrating Chainalysis services or APIs
What to do
- Rotate any Chainalysis credentials, passwords and tokens used by your team
- Review access logs for unexpected activity on Chainalysis accounts
- #security
- #breach
- #credentials
- #blockchain
- #data-exposure
Blockchain analysis firm Chainalysis said that hackers have obtained sensitive personal information—including names, usernames, password hashes, and live tokens—for all of its users following a breach of its network security. The accomplishment could be a major coup for the…
Timeline
Full coverage · 4 sources
- 1h ago ↗
Security - Ars Technica
Chainalysis says hackers stole credentials and tokens for all of its customers
- 8h ago ↗
BleepingComputer
Chainalysis says breach exposed credentials for all customers - 14h ago ↗
- 2d ago ↗
The Record from Recorded Future News
Chainalysis warns all users hit in cyber breach involving ‘agentic’ techniques