“The threat actor was also able to copy a backup of customer vault data from the encrypted storage container which is stored in a proprietary binary format that contains both unencrypted data, such as website URLs, as well as fully-encrypted sensitive fields such as website usernames and passwords, secure notes, and form-filled data.” These questions were raised because the security notice says: Security researchers are worried about the fact that LastPass stores website URLs unencrypted. So, it comes as a surprise that the initial breach was able to lead to further compromises. Usually, these passwords are stored in an encrypted database and locked behind a master password.Īs a keeper of that many passwords, LastPass is juicy prey for threat actors. A password manager is a software application designed to store and manage online credentials. LastPass offers a password manager which is reportedly used by more than 33 million people and 100,000 businesses around the world. The instructions to enable MFA can be found on the LastPass support pages. If you haven’t done so already, we would advise that you enable multi-factor authentication (MFA) on your LastPass accounts so that threat actors won’t be able to access your account even if your password was compromised. In case of a leaked or stolen password, threat actors can use credential stuffing techniques to unlock other accounts.Īccording to LastPass, if you followed these guidelines, it would take millions of years to guess your master password using generally-available password-cracking technology. This is always true, but it completely defeats the security advantage of using a password manager. It is recommended that you never reuse your master password on other websites.You can check the current number of PBKDF2 iterations for your LastPass account here. LastPass utilizes a stronger-than-typical implementation of 100,100 iterations of the Password-Based Key Derivation Function (PBKDF2), a password-strengthening algorithm that makes it difficult to guess your master password.Since 2018, a twelve-character minimum for master passwords is required. LastPass’ default master password settings and best practices include the following: LastPass states that users that followed their best password practices have nothing to worry about. Some of the stolen source code and technical information were used to target another LastPass employee, which allowed the threat actor to obtain credentials and keys which were used to access and decrypt some storage volumes within the cloud-based storage service. The notice was posted as an update of the security incident previously reported in August of 2022, which also was updated and covered on November 30, 2022.Īccording to LastPass, an unknown threat actor accessed a cloud-based storage environment leveraging information obtained from the August incident. The password management company LastPasss notified customers in late December about a recent security incident.
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