RedKit Exploit Kit is a dangerous hacking tool that is used to attack computer users who visit an attack website containing this threat. Computer users are usually directed to malicious websites using RedKit Exploit Kit by malicious browser hijackers or JavaScript Trojans that create a hidden browser window when the victim visits a compromised website. The RedKit Exploit Kit can be used to distribute various types of malware and, like most exploit kits, is designed to take advantage of known vulnerabilities on the victim's computer. ESG security researchers have observed that the RedKit exploit kit is used to distribute variants of the Citadel and Zeus malware families, well-known banking Trojans that are used to steal credit card and online banking credentials from unsuspecting victims.