Confidentiality is the property of maintaining the secrecy of an asset. In other words, confidentiality means protecting against the threat of disclosure. It is one of the three key security properties of an asset, along with confidentiality and availability.

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What are the implications of differences in confidentiality timeliness?

From a security standpoint, what are the differences that must be addressed between data with a day-long confidentiality timeliness and data with timeliness of a year or more?
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AES and message properties

An active attacker changes the ciphertext which was made using the AES cipher algorithm. Which message properties are preserved even though that change was made. Choose one of the below: 1) Integrity ...
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Hashing Identifiers to Create Pseudonyms

I'm wanting to share datasets between two organisations in a pseudonymised way such that they link together via mutual entities (e.g. people) but so that the entities cannot be identified. E.g.: ...
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How to properly store result of AEAD encryption

So for AEAD we have this scheme: encrypt(AD, Data) -> [key, cipher, tag] What if I want to provide some external identifier as an additional data (to be able to prove ext_id to get data back is ...