Editing Web traffic (section)

===Denial of service attacks===

[[Denial-of-service attack]]s (DoS attacks) have forced websites to close after a malicious attack, flooding the site with more requests than it could cope with. [[Computer virus|Viruses]] have also been used to coordinate large-scale distributed denial-of-service attacks.<ref>{{cite web|url=http://www.cert.org/tech_tips/denial_of_service.html|title=Denial of Service|publisher=Cert.org|access-date=28 May 2012|archive-date=7 June 2012|archive-url=https://web.archive.org/web/20120607061124/http://www.cert.org/tech_tips/denial_of_service.html|url-status=live}}</ref>