A massive team of security companies and federal agencies worked together to shut down an enormous click fraud operation. The FBI took control of 31 domains and took information from 89 servers that were part of the botnet infrastructure engaged in digital advertising fraud activity. A massive iOS malvertising campaign hijacked 300 million iOS browser sessions in 48 hours. Microsoft warns of inadvertently disclosed digital certificates that could allow man-in-the-middle attacks. Third-party biller breach exposes 2.65 million Atrium Health patients’ personal information.”]