Fox IT — an Internet security firm that discovered the alleged malware infection — says 300,000 users were visiting the infected ads every hour. That means roughly 27,000 computers and devices were being infected every hour since typically 9% of computers are actually infected after visiting the site. Most computer users either use software that combats such infections or may have configured their computers to be resistant to the attacks.
Malware, short for malicious software, is software used to disrupt computer operation, gather sensitive information, or gain access to private computer systems. Computers connected to a network can spread the malware onto many more computers. The malware may have started spreading on Dec. 30. More