![]() This may lead to compromised user accounts on the Web or company intranets.īrute forcing attacks of this scale require vast resources, especially if carried out on such a large number of protected vaults. Successful attacks may also reveal information stored in secure notes. ![]() The threat actor may attempt to brute force vault data, which would unlock usernames and passwords for all stored services. ![]() The plain text data includes means of communication, and the vault data all stored passwords and sensitive information. This is the worst case scenario for LastPass customers. LastPass does not store it and sensitive vault data is encrypted with 256-bit AES encryption. The master password, which unlocks all customer data, is known only to the customer. The company does not store “complete credit card numbers” according to the announcement. LastPass found no evidence that unencrypted credit card data was accessed by the attacker. These fields include website usernames and passwords, secure notes, and form-fill data. The information includes unencrypted data, such as website addresses, but also “fully encrypted sensitive fields”. Next to that, the attacker managed to obtain a copy of a “backup of customer vault data from the encrypted storage container”. The following user data was copied by the attacker: A security notice on the company’s official blog confirms that the attacker obtained customer information and password vault data. Today, LastPass confirmed that the second hack was more serious than initially thought.
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