Scammers tricked New York Times’ Digital Advertising department into placing malicious ad for fake antivirus software. Scammers initially claimed to be Internet phone provider Vonage. They switched ads for aggressive pop-up ads that tried to trick victims into thinking their computers were infected. The point of the scam was to sell worried computer users a fake “scareware” product called Personal Antivirus. The Times first suspected that the ad had been unauthorized, pulled third-party advertisements from the site.”]
Source: https://www.csoonline.com/article/2124367/new-york-times-tricked-into-serving-scareware-ad.html

