*Entry Title: *WHID 2011-88: Yahoo! PH Purple Hunt 2.0 Ad Compromised *WHID ID: *2011-88 *Date Occurred: *April 24, 2011 *Attack Method: *Malvertising *Application Weakness: *Improper Output Handling *Outcome: *Planting of Malware *Attacked Entity Field: *Search Engine *Attacked Entity Geography: *USA *Incident Description: *Earlier the other day, I was browsing through the Yahoo! PH site and the Yahoo! Purple Hunt 2.0 ad caught my attention. Curious, I clicked the ad and found my browser downloading a suspicious file named com.com. *Mass Attack: *No *Reference: * http://blog.trendmicro.com/yahoo-ph-purple-hunt-2-0-ad-compromised/ *Attack Source Geography: *