A week in security (April 6 – April 12)

Last week on Malwarebytes Labs: Fake Claude site installs malware that gives attackers access to your computer ClickFix finds a new way to infect Macs Scammers pose as Amazon support to steal your account NSFW app leak exposes 70,000 prompts linked to individual users 30,000 private Facebook imag...

Chrome “preloading” could be leaking your data and causing problems in Browser Guard

This article explains why Chrome’s “preloading” feature can cause scary-looking blocks in Malwarebytes Browser Guard and how to turn it off. Modern browsers want to provide content instantly. To do that, Chrome includes a feature called page preloading. When this is enabled, Chrome doesn’t just...

Pre-approved GLP-1 prescription scam could be bad for your health

A co-worker received a text which is, unfortunately, becoming more common. The text pretends to come from a doctor and states a weight-loss medication prescription has been approved. “Good morning. This is Dr. Santos. I pre-approved your GLP1 prescription. You may start treatment as of 09/04...

Take back control of your browser—Malwarebytes Browser Guard now blocks search hijacking attempts

Search hijacking, often referred to as browser hijacking, occurs when cybercriminals modify users’ browser settings without their consent. This often results in users being redirected to potentially malicious websites, such as fake customer service offerings. Search hijacking commonly happens...

Malwarebytes named “Best Antivirus Software” and “Best Malware Removal Service”

Horn tooting time: We're excited to say we've earned a coveted spot in PCMag’s “Best Antivirus Software for 2025” list, and been recognized as the “Best Malware Removal Service 2025” by CNET. PCMag’s rigorous evaluation process takes into account a range of factors, including real-world, hands-on...

A week in security (September 30 – October 6)

Last week on Malwarebytes Labs: Facebook and Instagram passwords were stored in plaintext, Meta fined Android users targeted on Facebook and porn sites, served adware Fake Disney+ activation page redirects to pornographic scam Radiology provider exposed tens of thousands of patient files Not Blac...

Browser Guard now flags data breaches and better protects personal data

Two things are true of data online: It will be collected and, just as easily, it will be lost. But a major update to Malwarebytes Browser Guard will better protect users from opaque data collection that happens every day online, as well as raising their awareness about corporate data breaches tha...

Privacy watchdog files complaint over Firefox quietly enabling its Privacy Preserving Attribution

A European privacy watchdog has filed a complaint against Mozilla for quietly enabling Privacy Preserving Attribution PPA in its Firefox browser. Noyb none of your business argues that despite its reassuring name, the feature allows the browser to track your online behavior. By design, Privacy...

Google Manifest V3 and Malwarebytes Browser Guard

We wanted to update you on some changes that Google’s making, and what we’re doing in Browser Guard to keep you protected. Some of our customers have recently reported seeing messages that say Browser Guard may soon no longer be supported in their browser. Luckily, theres no need for you to worry...

Google’s Chrome changes make life harder for ad blockers

Despite protests, Google is rolling out changes in the Chrome browser that make it harder for ad blockers to do their job. Starting last Monday, June 3, 2024, Chrome Beta, Dev, and Canary channels will see the effects of the implementation of the new extension platform Manifest V3. The gradual...

Malwarebytes consumer product roundup: The latest

At Malwarebytes, we’re constantly evolving to protect our customers. These days, our products don’t just protect you from malware, we protect your identity, defend you from ads, safeguard your social media, and keep your mobile safe too. Here are the innovations we’ve made in our products recentl...

YouTube shows ads for ad blocker, financial scams

After performing local experiments for a few months, YouTube recently expanded its effort to block ad blockers. The move was immediately unpopular with some users, and raised some questions in Europe about whether it was breaking privacy laws. In addition, there are some still some fundamental...

YouTube launches “global effort” to block ad blockers

The ongoing struggle between YouTube and ad blockers is turning users into the victims. YouTube has gone all out in its fight against the use of add-ons, extensions and programs that prevent it from serving ads to viewers around the world. It started out as just a small experiment, but it looks...

Compromised Free Download Manager website was delivering malware for years

In a public announcement, Free Download Manager has acknowledged that a specific web page on its site was compromised by a Ukrainian cybercrime group, exploiting it to distribute malware. Free Download Manager is--unsurprisingly--a download manager for Windows, macOS, Android, and Linux that allo...

25 most popular websites vs Malwarebytes Browser Guard

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? It's about sixty. Sixty. Six zero. Sixty trackers when you load one video. I know this because I decided to take Browser Guard, the...

Malwarebytes Browser Guard introduces three new features

Malwarebytes Browser Guard is our free browser extension for Chrome, Edge, Firefox, and Safari that blocks unwanted and unsafe content, giving users a safer and faster browsing experience. It's the worlds first browser extension to do this while also identifying and stopping tech support scams. A...

The 6 best Chrome extensions for privacy and security

While searching for security- and privacy-improving extensions, users may end up installing an extension that is counterproductive to their goals. To help our readers I have compiled a list of Chrome extensions that can actually help you improve your online privacy and security. Our regular reade...

A week in security (September 16 -22)

Last week on Labs, we sounded the alarm about the relaunch of Emotet, one of the year's most dangerous forms of malware, with a new spam campaign. We also reported on how international students in UK are targeted by visa scammers, what CEOs think about a potential US data privacy law, and...

Browser Guard combats privacy abuse, tracking, clickbait, and scammers

In July 2018, we introduced the Malwarebytes Browser Extension, a beta plugin for Firefox and Chrome aimed at delivering a safer, faster, and more private browsing experience. Our extension blocked tech support scams, hijackers, pop-up ads, trackers, and more to keep users secure and free from...