»The Privacy Theater of Hashed PII:
A 2020 MacBook Air can hash every North American phone number in four hours«

Good article that clearly shows that only hashing alone is not yet data safe. That's where HMAC belongs at the SHA-2 min. but also not to save passwords and the same.

🤷 https://matthodges.com/posts/2025-10-19-privacy-theater-pii-phone-numbers/

#usphonehack #privacy #hash #hashtag #itsecurity #phone #america #macbook #pii #saas #md5 #hmac #sha2 #itsec #it

import hashlib

candidate = "your-guess-here"
digest = hashlib.sha512(candidate.encode('utf-8')).hexdigest()
target = "442902... (paste the 128-char hex here)"

print("Match:", digest == target)
print("Computed:", digest)
#salt #pepper #hmac

quicktipp #100: Generating an OTP code for MFA/2FA login on the command line with `otpmini`. The code changes every 30 seconds.

https://github.com/christian-korneck/otpmini

The simplest form of a TOTP "authentiator app". (Meant for debugging, automation, CI/CD testing, emergency use of TOTP secrets from raw password manager backups, etc - but for everyday use a proper authenticator app is the better choice).

#otp #totp #hmac #mfa #2fa #authenticator