The bad guys submit ads carrying malicious code or pointing to malicious sites, which are accepted and displayed on trusted websites. Some online ads pretend to be from antivirus scanners, proclaiming you've been infected and need to download their malware protection solution, which might itself be malicious or simply a way to scare you into buying a subscription you don't need.Īlthough it’s rare, we've seen cases where legitimate sites and ad networks were hijacked by attackers. Some take over your screen, claiming to be from law enforcement and demanding you pay a hefty (and spurious) fine.

While legitimate ads can be annoying enough, some ads are deceptive or even dangerous. We look through some of the best-known names in the ad-blocking business to help you find the right one for your needs. Ad blockers seek to rein in those problems and make the web a little bit better.

How to Set Up Two-Factor AuthenticationĪds are ugly, they make websites look and perform worse, and their weird tricks-like appearing suddenly or autoplaying videos-can be extremely irritating.

How to Record the Screen on Your Windows PC or Mac.

How to Convert YouTube Videos to MP3 Files.How to Save Money on Your Cell Phone Bill.How to Free Up Space on Your iPhone or iPad.How to Block Robotexts and Spam Messages.

Adblock youtube chrome