With other password managers on the market offering unlimited free syncing ( Bitwarden and Myki, for example), LastPass may no longer be the top free choice. However, the company in early 2021 limited syncing to a single device type: Users on the free plan can access their vaults on mobile or on desktop, but not both. This will reduce the attack surface of having your passwords decrypted for a long time.For many years, LastPass' free tier was a steal, with most of the basic features you'd want in a password manager, including unlimited syncing across all your devices. My final comment is that it is preferred to configure your password managers to be locked by default and only unlock them when needed. But you have to know that they exist and is up to you the use such applications and features. I won't comment on all the concerns and flaws the pass managers' implementations have, especially with regard to browser clients and auto-fill features. The Magic of this is that without the correct key, it is unfeasible to decrypt any ciphertext (when appropriate algorithms, parameters, and well-constructed keys are used). The 'reverse' process to encryption is decryption, in the case of symmetric encryption algorithms, you require the same key for both processes, and in the case of symmetric encryption algorithms, you need a public key for encryption and a private key for decryption. The encryption algorithms must be 'reversible' to accomplish their purpose. The answer to the 'reversibility' comment is YES.

You may think about this like data is re-encrypted but the original encrypted file with your passwords has been there all the time. If you have configured a timer to close the pass manager app or you close the app, then your decrypted data is destroyed.So basically your sensitive passwords are temporarily stored unencrypted somewhere in your device. The password is used to decrypt your data, now available for your device to auto-fill passwords in every app or website.

The master password is required, type it.

The general workflow of everyday use of your password manager is as follows: Your manager's master password is used (after some transformations) as the mentioned symmetric key to encrypt and decrypt your passwords. The type of encryption used in this case is symmetric encryption, which means that the same key is used for both encryption and decryption processes. When you use a password manager that locally stores your data, data is encrypted and stored in your device.

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