Chainstack Reports Production Systems Breach Exposing Customer Data and Password Hashes

Nov 3, 2026

Blockchain infrastructure provider Chainstack on Tuesday disclosed that it was targeted in a cyber attack that allowed an unauthorized party to gain access to some parts of its infrastructure.

The incident is assessed to be part of a large-scale, artificial intelligence (AI)-powered attack campaign that came to light last week.

“An external attacker gained unauthorized access to part of

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