BreachFeed

Incidents

Breaches, outages and other incidents on the BreachFeed record, with the official disclosure and the coverage behind each one. Track an entity and route its alerts to confirmed incidents only to hear about these the moment they are confirmed — and nothing else.

suspectedhighSupply chainFirst reported Nov 3, 2026

OPSSHIELD: cPGuard update channel hijacked to push backdoor to customer Linux servers

An attacker compromised the update system of OPSSHIELD's cPGuard security tool on November 2 and used it to send a malicious script to customers' Linux servers. The script installed a backdoor and collected password hashes and other sensitive files, some of which the attacker retrieved. OPSSHIELD urged administrators to install version 5.88.25 or later.

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suspectedmediumData breachFirst reported Nov 3, 2026 · Disclosed Nov 3, 2026

Chainstack: production systems breach exposed customer data and password hashes

Blockchain infrastructure provider Chainstack disclosed on 2026-11-03 that an external attacker gained unauthorized access to parts of its infrastructure, exposing customer data and password hashes. The incident is assessed to be part of a large-scale AI-powered attack campaign that came to light the previous week.

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suspectedmediumData breachFirst reported Oct 31, 2026 · Updated Oct 31, 2026

Chainalysis: external actor accessed internal tools and non-sensitive customer identity data

Blockchain analysis firm Chainalysis said it was the target of a cybersecurity incident in which an external actor accessed non-sensitive customer data. The company said the breach did not result in unauthorized access to its investigation content, authentication credentials, or session tokens.

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