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Data Protection Application Programming Interface (DPAPI) is a simple cryptographic application programming interface available as a built-in component in Windows 2000 and later versions of Microsoft Windows operating systems. In theory, the Data Protection API can enable symmetric encryption of any kind of data; in practice, its primary use in ...
Software-based security solutions encrypt the data to protect it from theft. However, a malicious program or a hacker could corrupt the data to make it unrecoverable, making the system unusable. Hardware-based security solutions prevent read and write access to data, which provides very strong protection against tampering and unauthorized access.
This is important for situations in which users might not want or might forget to encrypt sensitive files. Immediate data destruction, such as simply destroying the cryptographic keys (crypto-shredding), renders the contained data useless. However, if security towards future attacks is a concern, purging or physical destruction is advised.
Malicious software can retrieve the data from the (supposedly) secure hardware – a large class of method used is the timing attack. [18] This is far more problematic to solve than a software bug, even within the operating system. Microsoft regularly deals with security issues through Windows Update.
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Simple Authentication and Security Layer (SASL) is a framework for authentication and data security in Internet protocols. It decouples authentication mechanisms from application protocols , in theory allowing any authentication mechanism supported by SASL to be used in any application protocol that uses SASL.
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