Chainalysis discloses data breach from "offensive agentic techniques"

Blockchain intelligence firm Chainalysis has disclosed a security incident after attackers used what it describes as "offensive agentic techniques" to gain unauthorized access to its internal systems and tools.

The company says some customer information was accessed, including names, email addresses, user IDs, and organizational role labels, but claims there is no evidence that sensitive investigation data or authentication credentials were exposed.

Chainalysis provides blockchain analytics tools used by law enforcement, government agencies, cryptocurrency exchanges, and financial institutions to trace cryptocurrency transactions and investigate crimes such as fraud, ransomware, and money laundering.

On Friday, roughly 5:14 PM ET, Chainalysis published a security incident disclosure along with the full text of the email sent to affected customers.