The following security measures are applicable to Aperio:
| Authentication | 3-pass mutual authentication (challenge-response protocol) based on AES128. Standard Aperio authentication scheme. |
| Confidentiality in communication | The communication is encrypted by a unique session key. |
| Confidentiality of information in the lock | Secret information such as encryption keys is never visible outside the protected flash of the microcontroller. |
| Encryption key | Unique encryption key seed for each installation. |
| Database | The encrypted database in Programming Application is password protected. The computer must also be physically protected. |
| Applicable tests | AES and RNG tested according to NIST (National Institute of Standards and Technology) test vectors. http://csrc.nist.gov/groups/STM/cavp/documents/rng/RNGVS.pdf |