Industry Analysis
XXE Prevention in PHP with libxml_disable_entity_loader
libxml_disable_entity_loader() looked like the fix for XXE in PHP, but PHP 8.0 deprecated it. Here's what it did, why it broke, and what to use now.
Oct 21, 20256 min read
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Insecure Deserialization Prevention in Java with Deserial...
Java deserialization RCEs still hit production years after JEP 290 shipped filters. Here's how JEP 290/415 filters work, common rollout mistakes, and how Safeguard closes the gaps.
Oct 21, 20257 min read
Industry Analysis
Insecure Deserialization Prevention in JavaScript: Avoidi...
How the node-serialize RCE flaw (CVE-2017-5941) works, why unsafe JS deserialization patterns persist, and concrete steps—plus how Safeguard catches them in CI.
Oct 20, 20256 min read
Industry Analysis
Insecure Deserialization Prevention in Python: yaml.safe_...
Why yaml.load() and pickle.load() became RCE vectors in Python, the CVEs behind them, and how safe_load() closes the gap — plus how Safeguard catches unsafe deserialization before it ships.
Oct 20, 20257 min read
Industry Analysis
Secure Random Number Generation in JavaScript with crypto...
Math.random() is predictable and unsafe for security tokens. Here's why Node's crypto.randomBytes() is the standard for secure JavaScript randomness.
Oct 20, 20257 min read
Industry Analysis
Secure Random Number Generation in Python with the secret...
Python's random module is predictable, not secure. Here's why CWE-338 matters, when the secrets module (PEP 506, Python 3.6) fixed it, and how to generate tokens safely.
Oct 20, 20257 min read
Industry Analysis
Secure Random Number Generation in Ruby with SecureRandom
Ruby's built-in rand() uses a predictable Mersenne Twister and should never generate tokens, passwords, or session IDs. Here's how SecureRandom fixes that.
Oct 19, 20257 min read
Industry Analysis
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.
Oct 19, 20257 min read
Industry Analysis
Secure Random Number Generation in Go with crypto/rand
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.
Oct 19, 20258 min read
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