What does the term 'data remanence' refer?

The correct answer is A. Data left over after routine removal and deletion. Data remanence refers to the residual representation of data that remains on storage media even after attempts have been made to remove or erase it. When files are deleted, the operating system typically only removes the pointer to the data, leaving the actual data intact until…

Security Principles

Question

Options

AData left over after routine removal and deletion
BAll of the data in a system
CFiles saved locally that can't be remoted accessed
DData in use that can't be encrypted

How the community answered

(55 responses)

A
93% (51)
B
2% (1)
C
2% (1)
D
4% (2)

Explanation

Data remanence refers to the residual representation of data that remains on storage media even after attempts have been made to remove or erase it. When files are deleted, the operating system typically only removes the pointer to the data, leaving the actual data intact until overwritten. Even after formatting, traces of data can persist. This is a significant security concern because sensitive data may be recoverable from discarded or repurposed storage devices. Countermeasures include secure wiping (overwriting multiple times), degaussing, or physical destruction of the media.

Topics

#data remanence#data sanitization#data disposal#security fundamentals

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