Secure Random Number Generation in PHP with random_bytes
PHP's mt_rand() has a 32-bit seed space attackers can crack in seconds. Here's why random_bytes() and random_int() replaced it in PHP 7.0, and how weak randomness still causes breaches.
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.
PHP's mt_rand() has a 32-bit seed space attackers can crack in seconds. Here's why random_bytes() and random_int() replaced it in PHP 7.0, and how weak randomness still causes breaches.
Go's math/rand is fast but predictable. Here's why crypto/rand is the only safe choice for tokens, keys, and nonces -- and what changed in Go 1.20-1.24.
How a malicious pull request, a poisoned GitHub Actions cache, and a stored PyPI token turned the Ultralytics YOLO package into a cryptominer.
GHAS only scans GitHub repos. For orgs running GitLab, Bitbucket, or self-hosted Git, that's a real coverage gap. Here's how Safeguard closes it.
Why System.Random is a security liability in C# and how RandomNumberGenerator prevents predictable tokens, nonces, and keys in .NET applications.
Embedding models are the silent dependency under every RAG system. We cover poisoning, deprecation, and provenance gaps that break retrieval in production.
A compromised maintainer account pushed malicious axios releases carrying a cross-platform RAT to npm on March 31, 2026 — here's the full timeline and IOCs.
Why java.util.Random and even UUID.randomUUID() can leak predictable tokens, and how Java's SecureRandom and NIST DRBG providers actually protect secrets.
GHAS matches secrets against ~200 partner patterns. We break down where that coverage ends and how Safeguard's layered detection catches what pattern lists miss.
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