Here are some wordsmithing changes to the definition, based on my earlier message.
"Shared storage media:storage media that could potentially be accessed in plaintext by multiple mutually-untrusted agents with authorized access to different zones of the media, and may be accessed in ciphertext by an attacker. " This covers the idea that the attacker may be a legitimate co-user of (different portions of) the media, but may have malicious intentions towards other users. The word-smithing on the other section proposed by Shai (to expand the definition of attacker, and to think beyond the idea of simply Denial-Of-Service attacks) would be something like: "A shared media can potentially be accessed in plaintext by multiple agents, one of whom may also have unrestricted ciphertext access, thereby rasing the possibility that an attacker can usefully manipulate the encrypted storage. The cryptographic transform must therefore provide protection against meaningful ciphertext manipulation by an attacker." -------- ..Rob/Garry
