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.
WebSockets skip same-origin checks by default — CWE-1385 exists because of it. Here's how to build one in Python with origin checks, TLS, and rate limits.
One misparsed IP string cost Capital One 106 million records. Here's how to validate URLs in Python without repeating that mistake.
Reverse shells flip the direction of the connection so outbound firewall rules never fire — here is how they work and the signals that catch them anyway.
React auto-escapes JSX text by default, but dangerouslySetInnerHTML, href injection, and a 500-package npm worm show where that protection stops.
Bandit ships named checks for eval, pickle, and shell=True — B307, B301, B602 — yet these three smells still slip past manual review into production Python.
Run Python with -O and every assert statement vanishes from the bytecode — including the ones guarding auth checks and input validation.
Linters flag every eval() call; SAST tools flag the two an attacker can reach. Here's how taint tracking works, and what it costs in precision and compute.
Drupal 7's 2025 end-of-life left unsupported sites exposed; here's a concrete checklist for module vetting, access control, and patch cadence on Drupal 10/11.
The Morris Worm hit ~6,000 machines in 1988 via one unsafe gets() call. We build and hijack a stack overflow in C++ to teach why canaries and ASLR exist.
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