Vulnerability Analysis
Sudo Baron Samedit heap overflow (CVE-2021-3156)
A decade-old sudo heap overflow, CVE-2021-3156 (Baron Samedit), let any local user gain root. Here's what's affected and how to fix it.
Jan 18, 20267 min read
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Supply Chain Security, in plain English.
Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
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The MCP Threat Model: What Actually Matters in 2026
Most MCP threat models confuse protocol risk with deployment risk. Here is what the real attack surface looks like after a year of production incidents.
Jan 18, 20267 min read
Architecture
Inside Safeguard's Reachability Engine
A deep look at how Safeguard's reachability engine combines call graph construction, symbolic analysis, and runtime evidence to reduce vulnerability noise by an order of magnitude.
Jan 18, 20268 min read
Software Supply Chain Security
Software Supply Chain Forensics: Investigation Techniques After a Compromise
When a supply chain compromise is confirmed or suspected, forensic investigation must trace the attack path through dependencies, build systems, and artifacts. This guide covers the methodology.
Jan 18, 20267 min read
Software Supply Chain Security
Rust Adoption in Security-Critical Software: Where We Stand
Rust promises memory safety without garbage collection. Here is an honest look at where adoption stands and what it means for supply chain security.
Jan 18, 20266 min read
Vulnerability Analysis
Spring4Shell RCE in Spring Framework (CVE-2022-22965)
A deep dive into CVE-2022-22965 (Spring4Shell): the critical Spring Framework RCE, its exploitation chain, timeline, and how to remediate it fast.
Jan 18, 20267 min read
Container Security
Runtime vs Static Container Analysis: Complementary, Not Competing
Static scanning finds known vulnerabilities. Runtime analysis finds actual exploitation. Using only one gives you half the picture.
Jan 18, 20266 min read
Cloud Security
Configuring automatic key rotation in AWS KMS
A practical, step-by-step guide to configuring AWS KMS key rotation for customer managed keys, including custom rotation periods, multi-Region keys, and monitoring.
Jan 18, 20268 min read
Open Source Security
Vulnerability Coordination Across the Open Source Ecosystem
When a vulnerability affects a library used by thousands of projects, coordinating the fix is harder than writing the patch. The coordination problem is open source security's biggest operational challenge.
Jan 18, 20267 min read
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