Jerome Segura, a security researcher for Malwarebytes who’s been tracking malvertising threats for months, agreed with Klijnsma. Thanks to the adoption of HTTPS, “you can’t track which campaign it was or which advertiser it was,” he said in a phone interview.
This “is going to make life much more difficult for ad networks and security companies,” he added. “You are at a new level, a new playing field where the bad guys have the advantage.”
Read MoreSelect your language