Blockchain intelligence firm Chainalysis revealed that external attackers utilized “offensive agentic techniques” to navigate internal systems, automate reconnaissance, and orchestrate a sophisticated multi-stage intrusion. Initial assessments suggesting limited exposure were updated as the firm confirmed that sensitive data belonging to all platform users including user IDs, names, email addresses, password hashes, and live authentication tokens were compromised. To contain the ongoing threat and prevent further unauthorized actions, Chainalysis proactively disabled and restricted select core services. Despite the wide-scale credential and token exposure, the company maintained that attackers found no evidence of unauthorized access to active investigative cases, graphs, notes, or transaction query records. Security researchers highlight the breach as a landmark example of autonomous or AI-assisted frameworks accelerating cyberattack lifecycles, compounding a growing wave of sophisticated digital intrusions targeting major tech platforms.

Full report : Blockchain data platform shuts down key services after malicious actors leverage AI-driven automation to steal credentials, password hashes, and live tokens.