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the claim

Overwriting a file once makes it unrecoverable.

the verdict
CONTESTED PARTIAL
Recorded sources
1 source for · 4 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that Overwriting a file once makes it unrecoverable?

Partly. One source describes a virus overwriting files and destroying them, while other sources treat overwriting as a secure-wipe technique that may need multiple passes, and one attributes unrecoverability to 84 repeated overwrites. None directly settles whether a single overwrite makes a file unrecoverable.

Verdict: CONTESTED PARTIAL · 1 source for, 4 against · Last checked

Evidence for · 1
Wikipedia: Kama Sutra (computer worm)
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Wikipedia: Kama Sutra (computer worm). (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Kama_Sutra_(computer_worm)

Evidence against · 4
Wikibooks: Introduction to Computer Information Systems/Computer Security
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Wikibooks: Introduction to Computer Information Systems/Computer Security. (n.d.). en.wikibooks.org. https://en.wikibooks.org/wiki/Introduction_to_Computer_Information_Systems/Computer_Security

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More against · 3
Wikibooks: Fundamentals of Information Systems Security/Access Control Systems
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Wikibooks: Fundamentals of Information Systems Security/Access Control Systems. (n.d.). en.wikibooks.org. https://en.wikibooks.org/wiki/Fundamentals_of_Information_Systems_Security/Access_Control_Systems

Wikipedia: Lamer Exterminator
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Wikipedia: Lamer Exterminator. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Lamer_Exterminator

Eleventh Hour CISSP
2010
Get citation
Conrad, E., Misenar, S., & Feldman, J. (2010). Eleventh Hour CISSP. play.google.com. https://play.google.com/store/books/details?id=BNUryGI3YvsC&source=gbs_api

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held for human review17 Oct 2026
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