Data loss refers to any process or event resulting in data being deleted, made unreadable, compromised, or corrupted by a user, software, or application.
Data loss occurs when a data element (or elements) can’t be utilized by the data owner or the app requesting access.
We can also refer to data loss as data leakage.
Data loss can apply to data at rest and in transit while transmitted over a network. Some of the reasons for data loss are:
- Data being corrupted
- Data being deleted or overwritten (either intentionally or unintentionally, by a user or an attacker)
- Damaged storage device in any way (be it physical or a compromised cloud)
- Virus deleting one or any number of files
- Data being stolen after a successful cyberattack on the network
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