Glossary
Password manager
Password manager: A password manager is an app that creates, stores and fills a different strong password for every account, locked behind one master password or your device's face or fingerprint unlock.
Updated February 1, 2027
An example
1Password, Bitwarden or the one built into your browser or phone.
Why it matters to you
Reusing one password everywhere means one breach opens every account. A manager makes unique passwords effortless and can share emergency access with a family member.
Where to go next
See also
- Passkey
A passkey is a login method that replaces your password with a cryptographic key stored on your phone or computer and unlocked with your face, fingerprint or device PIN; it cannot be phished because it only works on the real site.
- Credential stuffing
Credential stuffing is when attackers take email-and-password pairs leaked in one breach and try them automatically on thousands of other sites.