Security Guides
React Security Best Practices: A Practical Checklist for 2026
React escapes JSX text for you, but XSS sinks, secrets in the client bundle, token storage, and a 500-package npm worm are still yours to handle.
Jul 1, 20265 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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RAG Security Best Practices for 2026
Retrieval-augmented generation wired an untrusted-content pipeline straight into your model's context window. Here are the practices that keep a poisoned document or a leaked chunk from becoming an incident.
Jul 1, 20266 min read
Security Guides
PyTorch Security Guide (2026)
PyTorch is the dominant deep-learning framework for research and production — and its torch.load remote-code-execution history makes loading a model checkpoint one of the most security-sensitive operations in modern ML.
Jul 1, 20266 min read
Buyer's Guides
Python Code Review Tools: An Honest 2026 Buyer's Guide
A balanced look at the Python code review and static-analysis tools that actually matter in 2026 — Ruff, Bandit, Semgrep, CodeQL, SonarQube, and more — with honest tradeoffs and where Safeguard fits.
Jul 1, 20267 min read
Vulnerability Analysis
PwnKit (CVE-2021-4034) Explained: Root From a 12-Year-Old Polkit Bug
CVE-2021-4034, aka PwnKit, is a memory-corruption flaw in polkit's pkexec that gives any local user reliable root on nearly every Linux distribution. Here is how it works and how to close it.
Jul 1, 20265 min read
Vulnerability Analysis
ProxyLogon (CVE-2021-26855) Explained: The Exchange SSRF That Opened a Pre-Auth Door
CVE-2021-26855, ProxyLogon, is a server-side request forgery in Microsoft Exchange that let unauthenticated attackers impersonate the server — the first link in a chain to full remote code execution.
Jul 1, 20265 min read
Security Guides
Auditing Python Dependencies with pip-audit: A Practical Guide
pip-audit is the PyPA-backed tool for scanning Python dependencies against the OSV and PyPI advisory databases. Here is how to run it well — and where it needs backup.
Jul 1, 20265 min read
Security Guides
OWASP A02: Cryptographic Failures — A Deep-Dive Guide
Cryptographic Failures rank #2 in the OWASP Top 10 (2021). A deep dive into weak algorithms, key management, real CVEs, and how to detect and fix them in 2026.
Jul 1, 20266 min read
Security Guides
OWASP A01: Broken Access Control — A Deep-Dive Guide
Broken Access Control is the #1 OWASP Top 10 (2021) risk. A deep dive into IDOR, missing authorization, real CVEs, and how to detect and fix it in 2026.
Jul 1, 20267 min read
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