The document discusses scareware and an incident involving scareware originating from Ireland. Scareware tricks users into believing their computer is infected in order to get them to purchase fake anti-virus software. The incident involved websites hosting scareware that would redirect users through a chain of other compromised sites before serving scareware files. Security professionals used various forensic tools to analyze the scareware and handle the incident by containing the infection, eradicating it from affected systems, and helping users recover while also learning lessons to prevent future incidents.