olemus
teenusetõkestuslik sihilik kontolukustus
väära parooli sisestamise teel

täpsemalt
https://vulnerabilities.teammentor.net/article/577e90c9-8e44-4240-b00f-768316d63901

https://www.owasp.org/index.php/OAT-015_Denial_of_Service

https://www.youtube.com/watch?v=Gx1b7u-78m4

näiteid
on kasutatud eBay oksjonil enimpakkuja blokeerimiseks

tõrje
https://vulnerabilities.teammentor.net/article/577e90c9-8e44-4240-b00f-768316d63901

http://www.ids-sax2.com/Knowledgebase/NetworkSecurity/Account-lockout-attack.htm

https://security.stackexchange.com/questions/1653/protection-against-account-lockout-dos