Password Security Fundamentals
Despite advances in authentication technology, passwords remain the primary method of access control for most systems.
Strong Password Criteria
- Minimum 12 characters (longer is better)
- Mix of uppercase and lowercase letters
- Include numbers and special characters
- Avoid dictionary words and personal information
- Unique for each account
Password Managers
Using a password manager is the best way to handle multiple complex passwords:
- Store passwords securely encrypted
- Generate strong random passwords
- Auto-fill login forms
- Sync across devices
- Popular options: 1Password, LastPass, Bitwarden, KeePass
Organizational Password Policies
- Enforce minimum complexity requirements
- Implement password expiration (90-180 days)
- Prevent password reuse
- Require MFA for sensitive systems
- Monitor for compromised credentials
- Educate users regularly
What to Avoid
- Writing passwords on sticky notes
- Sharing passwords via email or chat
- Using the same password across multiple sites
- Storing passwords in plain text
- Using passwords like "Password123!"