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Vulnerability Analysis

Log4Shell Five Years Later: What CVE-2021-44228 Taught Us About Transitive Risk

Five years after Log4Shell, the technical details still matter, but the lasting lessons are about transitive dependencies, SBOM accuracy, and the long tail of unpatched internal tooling.

Jan 9, 20265 min read
Incident Analysis

The Log4Shell Response Playbook Six Months In

Six months after CVE-2021-44228 broke the internet, here is what worked, what didn't, and the response patterns security teams should keep as muscle memory.

Jun 12, 20226 min read
Vulnerability Analysis

Detecting Log4Shell in Your Software Supply Chain

Log4j isn't just in your code — it's in your vendors' code, your container base images, and your transitive dependencies. Here's how to find it everywhere.

Dec 18, 20216 min read
Incident Response

Log4Shell Impact Assessment and Remediation Guide

You know Log4Shell is bad. Now here's how to find every instance in your environment and fix it — including the edge cases everyone misses.

Dec 15, 20215 min read
Vulnerability Analysis

Log4Shell Vulnerability (CVE-2021-44228) Explained

The most critical vulnerability in a decade dropped on a Friday. Log4Shell affects virtually every Java application and is trivial to exploit. Here's what happened.

Dec 13, 20215 min read
Vulnerability Research

Zero-Day Vulnerabilities in Open Source: 2021 in Review

2021 saw a record number of zero-day exploits targeting open-source software. From Log4Shell to ProxyShell, here's what happened and what it means for defenders.

Nov 28, 20217 min read

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