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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Rails is safe by default — until a developer reaches for YAML.load, Kernel#open, or a raw-string query. Here are the Ruby footguns and the gem hygiene that keep them closed.
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