AES 256-bit encryption refers to the length of Virtru’s keys, which meets or exceeds most requirements.
The strength of an encryption tool depends on the length of the keys used to encrypt the data being shared. Encryption keys are measured commonly used computing units called bits. The more bits in a key, the more difficult it is to guess, and thus the safer the encrypted data is from hackers.
Perfect Forward Secrecy (PFS) provides stronger security by ensuring that the session’s establishment keys are ephemeral. In other words, PFS ensures that an attacker cannot decrypt past messages if the user’s private key is lost.