# Chainstack production breach exposes customer data and password hashes

Blockchain infrastructure provider Chainstack reported that a breach of its production systems exposed customer data and password hashes. The disclosure raises credential-compromise risks for affected customers and may require password resets and security reviews. A compromise at a shared infrastructure provider can have wide impact across blockchain projects that rely on its services.

**Importance:** 4/5

## Sources

### Security
- [The Hacker News](https://thehackernews.com/2026/11/chainstack-reports-production-systems.html) — Tue, 03 Nov 2026 23:46:19 +0530