Definition
A passcode is a numeric or alphanumeric sequence used to authenticate or gain access to a device, system, or account. It serves as a security measure to restrict access to authorized users only. The overall strength of a passcode depends on its length and level of complexity.
Passcode Examples
- Online banking: Banks adopt passcodes to ensure only the account holder can access their accounts.
- Logging into a computer: You need a password to access your personal computer.
- Authenticating a VPN: Most VPN services require a passcode to access their networks.