Why Password Security Matters
Passwords are often the first line of defense for online accounts. A weak or reused password can put multiple accounts at risk if it is exposed during a security incident.
Good password security is not only about making passwords complicated. It is also about using passwords that are difficult to guess, keeping them unique, and protecting the systems used to recover your accounts.
Use Long, Unique Passwords
A strong password should be difficult for other people and automated systems to guess. Password length is an important part of creating stronger passwords.
Most importantly, avoid using the same password across multiple important accounts. If one password is exposed, attackers may try it on other services.
Consider Using a Password Manager
Remembering a different strong password for every account can be difficult. A reputable password manager can generate and store unique passwords so you do not have to memorize all of them.
Protect your password manager with a strong master password and additional security features when available.
Avoid Predictable Passwords
Avoid passwords based on information that people may know or discover, such as your name, birthday, phone number, favorite team, or simple patterns.
Common passwords and predictable variations can be easier to guess. Random or otherwise difficult-to-predict passwords provide better protection.
Enable Two-Factor Authentication
Two-factor authentication adds another verification step after your password. This can help protect an account even if the password is compromised.
Where available, consider enabling a strong second factor and review the account's security settings regularly.
Protect Account Recovery Options
Account recovery methods are important because they may be used to regain access to an account. Keep recovery email addresses and phone numbers current and protected.
Also review recovery settings periodically and remove information that is no longer valid.
Never Share Verification Codes
One-time verification codes and authentication codes can help protect accounts, but attackers may try to trick users into giving them away.
Treat unexpected requests for verification codes as a warning sign. Legitimate support should not require you to disclose a private authentication code to an unknown person.
What to Do If a Password Is Exposed
- Change the exposed password immediately.
- Change it anywhere else it was reused.
- Enable two-factor authentication if available.
- Review recent account activity.
- Sign out unfamiliar sessions or devices.
- Check account recovery information for unauthorized changes.
Quick Password Security Checklist
- Is this password unique to this account?
- Is it long and difficult to guess?
- Does it avoid obvious personal information?
- Is two-factor authentication enabled?
- Are my recovery details current?
- Have I checked for unfamiliar account sessions?
- Am I keeping passwords private?
Final Tip
Strong account security works best as a combination of good password practices, two-factor authentication, secure recovery options, and awareness of phishing attempts.
Review your most important accounts first, especially email, financial, education, work, and social media accounts.
Choose the Safer Password Practice
Read each situation and choose the action that provides better account protection. These are fictional examples for practice.
1. You are creating a password for an important account.
2. A website asks you to create a password.
3. You discover that a password was exposed in a data breach.
Test Your Knowledge
Take the practice quiz to test what you learned about password security and account protection.
Take the Password Security Practice Quiz