Last week, hackers bought ads on Yahoo’s ad network but used malicious code to hijack computers with old versions of Flash on Windows. The same kind of attack happened to Googles ad network earlier this year. Yahoo shut down the attack yesterday, but starting July 28, hackers orchestrated a large-scale scheme to take advantage of Flash’s horrible security. Yahoo hasnt confirmed the size of the attack, but whatever the final numbers are, let this be a reminder to disable Flash.”]
Source: https://gizmodo.com/malvertising-attack-on-yahoo-is-another-reminder-to-dis-1721967056