![]() I looked at one page on each site, and chose pages that were broadly representative of what somebody might go there to do. The table shows the number of items-ads, cross-site trackers etc-that Browser Guard blocked on a single page on each of the top 25 most visited websites. So what happens on the top sites has an outsized effect on users because the top sites don’t just reach more people, they also keep people for longer.īefore I get into the why I was counting how many things Browser Guard blocks, take a look at the numbers in the table below. Web users have always spent a disprorportionate amount of their time on the web’s most popular sites, and websites like Facebook, Twitter, and Twitch are designed to keep you hanging around for as long as possible. I know this because I decided to take Browser Guard, the Malwarebytes’ browser extension that blocks ads and keeps you safe from trackers, scams, malvertising, and other online threats, for a wander through the web’s top 25 sites. More options include CleanMyMac X, Norton, and McAfee.Do you know how many see-everything-you’re-doing-on-the-web trackers get loaded into your browser when you watch a YouTube video? Would you care to guess? Malwarebytes also offers its Browser Guard for Chrome, Firefox, and Edge at no cost for personal use. If you want to do a checkup on your Mac to make sure there’s no malware or adware, Malwarebytes offers a free app (for individuals) to find and remove it. ![]() If you do want to download an app outside Apple’s Mac App Store, check when the website was created.Be wary if an app asks you to bypass macOS GateKeeper protections.Don’t download software from untrusted or unknown sources – update Safari directly from your Mac in System Settings or Chrome directly from Google or within the Chrome app.How to protect against Atomic macOS Stealer (AMOS)įortunately, this new attack method is totally preventable: Here’s the fake Safari update – which is easy to spot for Apple veterans with super old Safari and iCloud icons – but of course, many people may be fooled as it uses Apple’s normal update language: via MalwarebytesĪnd here’s the fake Chrome update that’s more convincing: via Malwarebytesįor a closer look at how the ClearFake delivery of AMOS works, check out the full post from Malwarebytes. The approach works by threat actors using compromised websites to deliver fake Safari and Chrome updates. This may very well be the first time we see one of the main social engineering campaigns, previously reserved for Windows, branch out not only in terms of geolocation but also operating system. In an interesting new development, AMOS is now being delivered to Mac users via a fake browser update chain tracked as ‘ClearFake’. The new approach with AMOS is called “ClearFake,” which was a notable attack previously seen against Windows machines. ![]() In the latest chapter of the pernicious software, Malwarebytes reports that fake Safari and Chrome browser updates are now being used to sneak AMOS onto victims’ Macs (via Ankit Anubhav). We’ll cover how it works and how to avoid this threat.Īs a refresher, AMOS is a powerful piece of malware that, once installed on a victim’s machine, can steal iCloud Keychain passwords, credit card numbers, crypto wallets, files, and more.Īfter the discovery of the early AMOS threats in March and April, the security researchers at Malwarebytes discovered in September that Mac users were installing AMOS through fake Google Search ads. Now, with the latest iteration of the malware, malicious parties are planting AMOS inside fake Safari and Chrome browser updates for Mac. ![]() A powerful new malware launched in early 2023 called Atomic macOS Stealer (AMOS) targets Apple users and has become a growing threat. ![]()
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