Security experts say Yahoo is an obvious target for malvertising campaigns, given its size. Malvertising attacks are regularly directed at all large Internet advertising networks. Yahoo has confirmed the attack campaign, which it reports blocking as of Aug. 3. Malwarebytes says the attacks were designed to redirect Yahoo site visitors to a landing page for the Angler Exploit Kit, which targets known vulnerabilities in browsers to take control of a device. The complexity of the online advertising economy makes it easy for malicious actors to abuse the system and get away with it, experts say.”]
Source: https://www.cuinfosecurity.com/malvertising-attacks-wont-stop-a-8451