TOCTOU

T1O1C3T1O1U1

A form of time-of-check to time-of-use — A class of software bugs caused by a race condition involving the checking of the state of a part of a system, such as a security credential, and the use of the results of that check.

Scrabble 8

Meanings

nounTOCTOU (uncountable)

alternative TOCTTOU

  1. abbreviationuncountablecomputingAbbreviation of time-of-check to time-of-use.

Synonyms & antonyms

Rhymes & wordplay

Anagrams

Cite this entry
APA

TOCTOU. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/TOCTOU

MLA

“TOCTOU.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/TOCTOU. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “TOCTOU,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/TOCTOU.

Source: TOCTOU on Wiktionary, CC BY-SA 4.0.