1. Password Length: Passwords must be at least 8 characters in length.
2. Complexity: Passwords must contain a combination of upper and lower case letters, numbers, and special characters.
3. Password Expiration: Passwords must be changed every 90 days.
4. Password History: Users cannot reuse their last 3 passwords.
5. Account Lockout: After 5 failed login attempts, the user’s account will be locked for 30 minutes.
6. Multi-factor authentication: Two-factor authentication is required for all accounts.
7. Password Storage: Passwords must be stored in an encrypted format.
8. User Education: Users must be educated on the importance of strong passwords and how to create and maintain secure passwords.
9. No Sharing: Passwords must not be shared with anyone, including colleagues, friends or family.
10. Regular Reviews: Password policies must be reviewed on a regular basis to ensure that they remain effective and up to date with the latest security best practices.

This is just an example policy, and it can be modified to suit your specific requirements. Remember, a strong password policy is an important part of your organization’s overall security strategy and can help protect against data breaches and other cyber threats.