Major Ad Networks Found Serving Malicious Ads

Two major online ad networks–DoubleClick and MSN–were serving malware via drive-by download exploits over the last week, experts say, after a group of attackers was able to trick the networks into displaying their ads by impersonating an online advertising provider. The scheme involved a group of...

Major Ad Servers Flooded With Malicious Ads

From IDG News Service Robert McMillan Criminals flooded several online ad networks with malicious advertisements over the weekend, causing popular Web sites such as the Drudge Report, Horoscope.com and Lyrics.com to inadvertently attack their readers, a security company said Wednesday. The troubl...

Adgregate ShopAd widget validation is vulnerable to replay attack

Adgregate is a "TechCrunch 50" startup that recently signed a distribution deal with Google/DoubleClick 1. As a service, they offer a "viral widget" intended to be hosted on untrusted third-party sites through which consumers can enter their credit card information. According to their website, th...