vConfidentiality
ØCan the information be seen by the “wrong” someone.
vIntegrity
ØHow do I know the information was not accidentally or maliciously altered or destroyed.
vAuthentication
ØHow do I know it was the “real” Ray Skinner?
vNon-Repudiation of Origin (NRO)
ØIf the transaction has integrity and
authentication,
the sender can not deny sending it or the content.
the sender can not deny sending it or the content.
vNon-Repudiation of Receipt
ØThe recipient can not later deny having received
it.
ØReturn receipt requested.
Security Concepts
Is the Mail or Telephone Safe?