Advertising network takes on malvertisers

In the war between malvertisers and legitimate advertising networks, the bad guys seems to be winning. Attackers use real-time bidding platforms to place malicious ads on otherwise reputable sites, infect target users and disappear -- often before anyone has even noticed that there's a problem, according to a new report by Fairvax, Vir.-based security firm Invincea, Inc..
Attackers can use the targeting features offered by advertising networks to zero in on victims based on which operating syst