Ad networks have been hit with a string of compromises in recent months, and according to a new report, many of the infections are making it through to consumers. A study published today by Cyphort found that instances of malware served by ad networks more than tripled between June 2014 and February 2015, based on monthly samples taken during the period. Dubbed “malvertising,” the attacks typically sneaking malicious ads onto far-reaching ad networks. The networks deliver those malware-seeded ads to popular websites, which pass them along to a portion of the visitors to the site. The attacks typically infect computers by exploiting vulnerabilities in Adobe Flash, typically triggered as soon as an ad is successfully loaded. Read More.