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Supply Chain Security, in plain English.

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Incident Analysis

The Patch That Wasn't: CVE-2026-18577 and the Incomplete-Fix Problem

N-able patched an authentication bypass in N-central. Attackers found what the patch missed and used it as a zero-day, pivoting into Microsoft 365 and Okta. Incomplete fixes are their own bug class.

Aug 10, 20266 min read
Incident Analysis

Your Dependency Incident Runbook Assumes a Fixed List of Bad Packages

Most supply chain runbooks say: get the affected package list, search lockfiles, remediate. Against a worm that adds packages while you work, every one of those steps is wrong.

Aug 9, 20267 min read
Incident Analysis

ctx and colourama PyPI typosquat malware incident

The ctx and colourama PyPI typosquatting malware incident shows how account takeover and name-squatting delivered credential-stealing code to devs.

Aug 9, 20267 min read
Incident Analysis

The XZ Utils backdoor: anatomy of a supply chain attack

A two-year maintainer-trust takeover placed a pre-auth SSH backdoor inside xz-utils. Heres how CVE-2024-3094 was built, hidden, and caught in time.

Jul 13, 20267 min read
Incident Analysis

Codecov Bash Uploader supply chain breach

A look back at the 2021 Codecov Bash Uploader breach: how a tampered CI script exfiltrated secrets for two months, and what it teaches about supply chain risk.

Jul 13, 20267 min read
Incident Analysis

UAParser.js npm package compromise

A deep dive into the 2021 ua-parser-js npm compromise: how a hijacked maintainer account delivered cryptominers and credential stealers to millions.

Jul 13, 20267 min read
Incident Analysis

Polyfill.io supply chain attack

How a domain sale turned a trusted CDN into a malware vector for 100,000+ sites — and what the polyfill.io incident teaches defenders about third-party script risk.

Jul 13, 20267 min read
Incident Analysis

3CX desktop app supply chain compromise

A breakdown of the 3CX supply chain compromise: how Lazarus-linked attackers poisoned a signed desktop build via a nested vendor attack chain.

Jul 12, 20267 min read
Incident Analysis

PHP Git server compromise incident (2021)

In 2021, attackers pushed a hidden RCE backdoor into PHP's own source repo under forged maintainer names — a supply chain near-miss worth revisiting.

Jul 12, 20268 min read
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Blog — incident-analysis | Safeguard — Software Supply Chain Security Insights