zero-day
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See also: zero day
English
[edit]Alternative forms
[edit]Pronunciation
[edit]Audio (General Australian): (file)
Adjective
[edit]zero-day (not comparable)
- (computing) Of warez, released less than a day after the official product release.
- 2020, Oliver Markus Malloy, Bad Choices Make Good Stories:
- Back then, having "zero day warez" (brand new cracked games that are not even one day old yet) on your BBS first was a big status symbol.
- (computing) Of a vulnerability, newly discovered, and therefore still not fixed and possibly exploited by hackers or other criminals.
- (computing) Of an exploit or its threat or an attack, benefiting from a newly found and yet unpatched or unmitigated flaw in software or hardware; using a zero-day vulnerability.
- 2003, John Viega, Matt Messier, Secure Programming Cookbook for C and C++:
- If your software is popular and has a high demand, you will want to defend against the "zero-day" cracker.
- 2014, Michael Gregg, CASP CompTIA Advanced Security Practitioner Study Guide: Exam CAS-002[1]:
- Before discussing ways to counter zero-day attacks, let's begin with the definition of what a zero-day attack is. A zero-day attack is one that the vendor does not yet know about or hasn't been fixed.
- 2005, Valdes et al, Recent Advances in Intrusion Detection
- Automatically creating reliable signatures of zero-day exploits is the focus of intense research efforts.
- Used other than figuratively or idiomatically: see zero, day.
- Average residues of 1.44 and 2.18 mg/kg chlortetracycline were seen in liver and kidney, respectively, at zero-day withdrawal.
Noun
[edit]- (computing, idiomatic) A vulnerability that has been discovered recently, and is yet unpatched or unmitigated; a zero-day vulnerability.
- New Internet Explorer zero-day exploited in Hong Kong attacks
- These days, however, more zero days are being used and discovered.
- All the four zero-days originally were reported to Microsoft, affecting Internet Explorer on the desktop.
References
[edit]- Hacker Lexicon: What Is a Zero Day? (on Wired.com)
- 0-day (zero-day) (on About.com)
- What is a Zero-Day Vulnerability? (on PCTools.com)