With a PIN, pattern, or fingerprint.
Set the app to require a PIN, pattern, or fingerprint to open it. The lock is stored only on this device. If you forget it, it can be restored using your account password.
Settings → Privacy and security → «App password»
Choose a method
Enter the PIN or pattern twice
Password + SMS code.
More detailsSee where you are logged in and log out the stranger.
More detailsYour account can be recovered even if you lose access.
More detailsYour protection level on one screen.
More detailsConfirm that your conversation partner is really who they claim to be.
More details