CompTIA CySA+ Study Guide, 3rd Edition by Mike Chapple & David Seidl

CompTIA CySA+ Study Guide, 3rd Edition by Mike Chapple & David Seidl

Author:Mike Chapple & David Seidl [Mike Chapple]
Language: eng
Format: epub
ISBN: 9781394182909
Publisher: Sybex
Published: 2023-07-06T00:00:00+00:00


Zero-Day Attacks

Sophisticated attackers often conduct their own security vulnerability research in an attempt to discover vulnerabilities that are not known to other attackers or cybersecurity teams. After they uncover a vulnerability, they do not disclose it but rather store it in a vulnerability repository for later use.

Attacks that exploit these vulnerabilities are known as zero-day attacks. Zero-day attacks are particularly dangerous because they are unknown to product vendors, and therefore, no patches are available to correct them. Advanced persistent threat (APT) actors who exploit zero-day vulnerabilities are often able to easily compromise their targets.

Stuxnet is one of the most well-known examples of a sophisticated attack. The Stuxnet attack, traced to the U.S. and Israeli governments, exploited zero-day vulnerabilities to compromise the control networks at an Iranian uranium enrichment facility.



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