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.
One unguarded setattr() loop can let a JSON body set is_admin directly — the same bug class that let a researcher add his key to Rails' GitHub org in 2012.
CWE-915 mass assignment lets one extra JSON field turn a profile update into a privilege escalation — here's how DTOs beat @JsonIgnore in Spring.
One unfiltered req.body.role field can turn a signup form into an admin-creation endpoint — here's how mass assignment happens in Node and how to stop it.
A 2008 Debian OpenSSL patch cut key entropy to ~32,768 values; a 2012 scan found 0.75% of TLS certs shared keys. Weak PRNGs still cause real breaches.
None of Express, Fastify, Koa, or NestJS enable security headers, CSRF protection, or input validation by default — the defaults you inherit differ more than you'd think.
Microsoft found ~70% of its patched CVEs trace to memory-safety bugs. Here's how buffer overflows, use-after-free, and double-free still happen — and what actually catches them.
A 2024 GeoServer flaw showed unsanitized input reaching an XPath evaluator can mean remote code execution, not just data leakage. Here's how to prevent it.
Node's legacy url.parse() is deprecated (DEP0169), and parser mismatches between it, the WHATWG URL API, and fetchers are a documented root cause of SSRF and open redirects.
A single bad regex took Cloudflare's global network to ~100% CPU for 27 minutes in 2019. Here's the backtracking mechanics behind ReDoS and how to rewrite unsafe patterns.
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