Home > Storage > PowerMax and VMAX > Data Protection > Dell EMC PowerMax: End-to-End Efficient Encryption > Overview of end-to-end efficient encryption
End-to-end efficient encryption increases data security by combining Thales host encryption with PowerMax back-end Data at Rest Encryption (D@RE). This combination protects information from any unauthorized access, whether in flight or at rest on hard drives. End-to-end efficient encryption uses industry-standard AES encryption technology.
End-to-end efficient encryption protects data while taking advantage of PowerMax space-saving data reduction technology. Thales software encrypts and decrypts data that are written from the application host to the PowerMax array. PowerMax decrypts the data to process through the data reduction engine, and D@RE re-encrypts the data.