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Application Security

How should a PHP app handle secrets without leaking them?

Keep secrets out of the repo and the web root, load them at runtime, avoid dumping environment data, hash passwords properly and rotate. A PHP checklist.

Oct 18, 20264 min read
Application Security

Which PHP functions are safe for random numbers and crypto?

Use random_bytes and random_int for secrets, password_hash for passwords, sodium for encryption and hash_equals for comparisons. Avoid rand, mt_rand and uniqid.

Oct 18, 20264 min read
Application Security

What is pharming and how is it different from phishing?

Pharming redirects you to a fake site even when you type the right address, by tampering with DNS or the device. TLS checks, DNSSEC and passkeys help.

Oct 18, 20264 min read
Application Security

Pen test vs red team: what is the difference and which do you need?

A pen test finds and proves vulnerabilities in a defined scope. A red team emulates an adversary to test detection and response. Start with pen tests.

Oct 18, 20264 min read
Application Security

What are the password security best practices NIST recommends today?

NIST says use long passwords, skip composition rules and forced rotation, block breached passwords, hash properly and add MFA. Here is the full list.

Oct 18, 20264 min read
Application Security

How can a public key break JWT authentication in pac4j?

CVE-2026-29000 let anyone holding a server's public RSA key forge pac4j-jwt logins. Why a public key was enough, and how to patch and check your apps.

Oct 18, 20265 min read
Application Security

What is the OWASP web application firewall rule set (CRS)?

OWASP does not ship a WAF. It ships CRS, free rules for ModSecurity-compatible engines. Learn anomaly scoring, paranoia levels and false positive tuning.

Oct 18, 20265 min read
Application Security

What is API8 security misconfiguration and how do you find it?

OWASP API8:2023 covers missing hardening, open CORS, verbose errors and unneeded features anywhere in the API stack. A checklist you can run in a day.

Oct 18, 20264 min read
Application Security

How good is open source static code analysis, and when is it enough?

Open source static analyzers catch real bugs when tuned well. Learn what they find, where they miss and how to pick and run one without drowning in noise.

Oct 18, 20264 min read

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