Systems and methods for detecting malicious entities using weak passwords for unauthorized access

Abstract

Aspects of the disclosure describe methods and systems for detecting malicious entities using weak passwords for unauthorized access. In one exemplary aspect, a method may comprise intercepting, using a WAF, a password input during a login attempt to a web application by an entity. In response to determining that the password is in a database of weak passwords, the method may comprise generating for display, using the WAF, a web page prompting for a password reset for the web application, storing, in a database, an IP address of the entity and information about the login attempt, retrieving information about a first plurality of login attempts made by the entity in the web application for different user profiles. In response to determining that at least a first threshold number of login attempts have been performed by the entity, the method may comprise storing the IP address in a black list.