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.
JEP 411 deprecated the Security Manager in JDK 17; JEP 486 disabled it outright in JDK 24, released March 18, 2025. Here's how to migrate before it's removed for good.
npm audit has shipped for free since npm 6 in 2018, yet most JavaScript teams still find out about vulnerable dependencies in a Slack alert, not a failed commit.
A single unchecked `alg` header turned jsonwebtoken into a forgeable token in CVE-2015-9235 — here's how to close every hole RFC 8725 warns about.
LDAP injection is CWE-90, dates to the same root cause as SQL injection, and still shipped in production software as recently as CVE-2023-0476.
Keep-alive and HTTP/2 multiplexing cut handshake overhead but hold server resources open per connection — Slowloris and 2023's Rapid Reset attacks both exploited exactly that tradeoff.
One line of Express middleware — reflecting Origin back with credentials: true — turns CORS from a browser protection into an authenticated data-exfiltration channel.
Express has never shipped CSRF protection in core, and its most popular middleware, csurf, was archived in 2022 — here's what actually replaces it.
Only one of the three major JavaScript runtimes denies system access by default — Node's permission model only went stable in v23.5.0, and Bun still has none.
Node's permission model can block a native addon from loading at all — but once it's in, a single buffer overflow in C++ can corrupt the whole process.
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