Questions tagged [availability]

Availability is the property of ensuring that an asset can be used when it is needed. In other words, availability protects against the threat of denial of service. It is one of the three key security properties of an asset, along with confidentiality and integrity.

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5answers
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Is unauthorised deletion an integrity or availability issue?

During a web application test I have discovered a parameter tampering issue that allows a user to delete comments left by other users. They can't modify the content of other users' comments, and they ...
6
votes
4answers
469 views

How do you guarantee that you don't lose a keyfile?

I am toying with the idea of adding keyfiles to various things that I encrypt. However what's been keeping me from adopting them is guaranteeing that I don't lose the keyfile while still keeping ...
3
votes
2answers
414 views

iOS Unicode Notification Bug

Evidently, someone has discovered a Unicode bug in iOS, where if an app receives a specific Unicode sequence (infinitely-repeating Unicode code point), the OS will kill the Springboard as it allocates ...