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Vulnerability Analysis

GHSA vs CVE vs OSV: comparing vulnerability identifier formats

A plain-language breakdown of CVE, GHSA, and OSV vulnerability identifiers, who assigns them, how they differ, and why one flaw can carry three IDs.

Apr 30, 20267 min read
Vulnerability Analysis

Understanding zero-day vulnerabilities and incident response

A concrete look at zero-day vulnerabilities and incident response, using Log4Shell, MOVEit, and CISA KEV data to explain how fast defenders must move.

Apr 30, 20266 min read
Vulnerability Analysis

Reachability analysis for prioritizing vulnerabilities

Reachability analysis cuts vulnerability noise by 70-90% by tracing which CVEs are actually callable from your code, not just present in your dependency tree.

Apr 29, 20268 min read
Vulnerability Analysis

Aqua Vulnerability Database (AVD) explained

AVD powers Trivy's scan results, but it's a curated aggregator, not a primary source. Here's how it differs from NVD, where its gaps are, and how to close them.

Apr 27, 20267 min read
Vulnerability Analysis

How Trivy sources vulnerability data (NVD, vendor advisor...

Trivy's CVE data comes from NVD, GHSA, and distro trackers compiled into a periodic snapshot — not kube-hunter. Here's how the pipeline really works, and where it lags.

Apr 27, 20267 min read
Vulnerability Analysis

Juniper Junos CVE-2024-21591: Routing Plane Vulnerabilities and 2026 Defense

CVE-2024-21591 was an out-of-bounds write in Juniper Junos OS that affected core routing infrastructure. The technical details and what defenders should take away in 2026.

Apr 20, 20265 min read
Vulnerability Analysis

What is a Zero-Day Vulnerability

A zero-day vulnerability is exploited before a patch exists. See real cases like Log4Shell and MOVEit, and how to cut response time.

Apr 9, 20267 min read
Vulnerability Analysis

What is a CVE (Common Vulnerabilities and Exposures)

A CVE is a unique ID for a known security flaw, but how it's assigned, scored, and disclosed is far messier than the name suggests.

Apr 9, 20267 min read
Vulnerability Analysis

Cisco Firepower CVE-2024-20418 Lessons: Network Security Devices as Attack Surface

CVE-2024-20418 was a critical command injection in Cisco Firepower Management Center. The technical details, the exploitation reality, and what it teaches about NSM security.

Apr 8, 20265 min read
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