OWASP top 10, 2017 - A3 Sensitive Data Exposure Prevention DONT store sensitive data unnecessarily Make sure to encrypt all sensitive dataa Enforce encryption when data transit Disable caching Strong slated hashig (Argon2, scrypt, bcrypt, PBKDF2) Newer Cronjob Cheatsheet Older OWASP top 10, 2017 - A2 Broken Authentication