Encoding Is Not Encryption: Base64, Percent-Encoding and the Confusion That Leaks Data
The RFC that defines Base64 says in its own Security Considerations that base encoding "visually hides" a password but "...
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Which Hash for What: MD5, SHA-256, and the Password Mistake
"MD5 is broken, so hash your passwords with SHA-256 instead" gets both halves wrong, in opposite directions. What broke...
Who Sees Your DNS? DoH, DoT and What Encrypted DNS Actually Hides (2026)
DoT, DoH and DoQ encrypt your DNS queries, but destination IPs, the TLS SNI and your resolver still see plenty. What the...
That 30-Second Code: How Authenticator Apps Actually Work (2026)
The six digits in your authenticator app come from two short public standards. We walk the algorithm step by step and un...
Passkeys Explained: What Actually Replaces Your Passwords (2026)
What a passkey is per the WebAuthn spec, NIST's synced vs device-bound line, recovery on Apple, Google and Windows, and...
How to Build a Password System That Actually Holds (2026)
NIST's 2025 rewrite raised the password floor to 15 characters and killed forced rotation. Rebuild your logins with a pa...
How to Check if an AI Tool Is Safe for Company Data (2026)
Consumer AI tiers train on your data; business tiers don't. A 10-minute vetting workflow for SMEs, with ASEAN PDPA ancho...
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