Threatpost – (International) Google blocks high profile sites after advertising provider NetSeer is hacked. Advertising network NetSeer’s corporate Web site was injected with malware, causing Google Chrome users to see malware warnings while trying to visit sites with ads served by NetSeer.
Source: http://threatpost.com/en_us/blogs/google-blocks-high-profile-sites-after-advertising-provider-netseer-hacked-020413
