Successful operations against Russian Sandworm and Strontium groups targeting Ukraine revealed

The US Department of Justice DoJ and Microsoft have taken the sting out of two operations believed to be controlled by the Russian Federation’s Main Intelligence Directorate GRU. On Wednesday, the DOJ announced that it had disrupted GRU’s control over thousands of internet-connected firewall...

“Free easter chocolate basket” is a social media scam after your personal details

Holidays inspire fraudsters and scammers to create timely and effective ways to string people along and get them to give up either their money or their personal information. This is the case in this chocolate-themed scam. Cadbury UK has issued a warning to its 315,000 followers on Twitter about a...

Beware of this bogus (and phishy) “Instagram Support” email

Recently, a fake Instagram email successfully bypassed Googles email filters and made it into hundreds of employee inboxes used by a prominent US life insurance company based in New York. This was revealed in a report by Armorblox, a cybersecurity company specializing in stopping business email...

Extortion scheme impersonates government officials, law enforcement

The FBI issued a public warning this week about a fraud scheme wherein scammers impersonate government officials and law enforcement personnel. According to the PSA, the scammers spoof legitimate numbers and names and use fake credentials of well-known members of the government and law enforcemen...

Google takes on Docs notification spammers

Cloud-based document suites have always been a hot target for scammers. When it’s easy to dip in and out for collaboration purposes, or just share things generally, then its likely that bad people will want in on the action. In 2019, Google calendar users were wading through endless spam...

Cyclops Blink malware: US and UK authorities issue alert

According to a joint security advisory published yesterday by US and UK cybersecurity and law enforcement agencies, a new malware called Cyclops Blink has surfaced to replace the VPNFilter malware attributed to the Sandworm group, which has always been seen as a Russian state-sponsored group...

Apple accidentally kept some Siri recordings from iPhones, even for opted-out users

Apple’s release of iOS 15.4 beta 2 completes the fix for a bug that may have recorded interactions with Siri without permission on some devices. Apple has fixed this bug that was introduced in iOS 15 and accidentally kept some recordings, regardless of whether you opted out or not. The bug was...

CISA calls for urgent action against critical threats

In a CISA Insights bulletin the Cybersecurity & Infrastructure Security Agency CISA warns that every organization in the United States is at risk from cyber threats that can disrupt essential services and potentially result in impacts to public safety. The warning specifically reminds readers of...

Emotet’s back and it isn’t wasting any time

Emotet is one of the best known, and most dangerous, malware threats of the past several years. On several occasions it appeared to take an early retirement, but it has always came back. In January of this year, a global police operation dismantled Emotets botnet. Law enforcement then used their...

Attacker unmasked by VPN flubs charged with Ubiquiti hack

A veritable barn-stormer of an insider threat story has recently come to light. A former employee of Ubiquiti Networks, Nickolas Sharp, has been arrested and charged for allegedly hacking company servers, stealing gigabytes of information, and then rounding it all off with a splash of extortion...

Celebrity jewelry house Graff falls victim to ransomware

Data on countless celebrities, including politicians, is apparently now in the hands of ransomware attackers after a group using the Conti variant compromised systems of one of the world’s most exclusive jewelry houses, Graff. Despite what mathematicians like to think, there is an exception to...

A week in security (Oct 18 – Oct 24)

Last week on Malwarebytes Labs Multiple vulnerabilities in popular WordPress plugin WP Fastest Cache. “Killware”: Is it just as bad as it sounds? REvil ransomware disappears after Tor services hijacked. Protect yourself from BlackMatter ransomware: Advice issued. q-logger skimmer keeps Magecart...

Google to auto-enrol users, YouTubers into 2SV

Googles announced some changes to how its helping millions of its users stay safe and secure. The biggest of those changes is that it plans to auto-enrol its users in to two-step verification, or 2SV. 2SV adds an extra layer when logging into your account and the additional step happens after you...

Vaccine passport app leaks users’ personal data

Security and privacy advocates may have cause to worry after all: Portpass, a vaccine passport app in Canada, has been found to have been exposing the personal data of its users for an unknown length of time. On Monday, Canadian Broadcasting Corporation CBC received a tip that "the user profiles ...

What are SSL certificates?

Secure Sockets Layer SSL certificates are what cause your browser to display a padlock icon, indicating that your connection to a websites is secure. Although the padlock may soon be hidden from view, certificates arent going anywhere. Lets start with some definitions and explain some of the...

A week in security (August 30 – September 5)

Last week on Malwarebytes Labs ProxyToken: another nail-biter from Microsoft Exchange Macs turn on apps signed by Symantec, treat them as malware Google Play sign-ins can be abused to track another person’s movements FTC bans SpyFone and its CEO from continuing to sell stalkerware BrakTooth...

VideoBytes: Twitter gets hacked!

Hello dear readers, and welcome to the latest and greatest from VideoBytes: a brand new, video feature that we announced just yesterday. On our debut post today, were talking to you about the Twitter hack, in which hackers accessed the Twitter accounts of 130 high profile figures, like Barack...

A week in security (July 6 – 12)

Last week on Malwarebytes Labs, we took an in-depth look at card skimmers targeting ASP sites, we released another episode of Lock and Code exploring the Internet of Things, and we dug into a Mac mystery. We also examined some pre-installed malware, and put out a threat spotlight on some customiz...

The face of tomorrow’s cybercrime: Deepfake ransomware explained

While many countries are beginning to ease up on their respective pandemic lock downs—which, in turn, also means that everyone will soon ease into a life that is not quite post-COVID-19—we find ourselves once more on the cusp of change, an outlook that makes some feel anxious and others hopeful...

Tech support scammer tries to sell free software

AmericaGeeks is your typical tech support scam company, but with an extra warming glow of attitude, greed, and complete all-around rudeness. Most scams will gladly take your money by buttering up the victim while simultaneously scaring them into thinking that they are in a dangerous situation wit...

Explained: the cloud

Even if you are reading this post because you have no idea what the cloud is, you might be using it more often than you realize. Twitter, LinkedIn, Dropbox, Google Drive, and Microsoft Office 365 are some of the most well-known cloud apps. Let’s start with a definition of the cloud to get a grip ...

Multiple flaws found in smart syringe pump

A syringe pump is a small infusion pump that delivers liquids, either medication or nutrients, in small quantities into the patient's system. Hospitals, nursing homes, and homes with residents under acute or palliative care use them. Accurate and safe delivery of dosage from a variety of syringes...

The real problem with ransomware

Ransomware – a specialized form of malware that encrypts files and renders them inaccessible until the victim pays a ransom – is an extremely serious problem and it’s quickly getting worse. The FBI estimated that ransomware payments were $1 billion in 2016, up from “just” $24 million a year...

Adware the series, part 6

In this series of posts, we will be using the flowchart below to follow the process of determining which adware we are dealing with. Our objective is to give you an idea of how many different types of adware are around for Windows systems. Though most are classified as PUPs, you will also see the...

A week in security (Jun 05 – Jun 11)

Last week, we interviewed our very own Pieter Arntz to get to know him a little better. We also touched on the importance of HTTPS and focused on a new social engineering scheme that triggers on mouse movement. We also took a deeper look at LatentBot, a Trojan that is being distributed by the RIG...

Aftercall ads are driving Android users crazy

Aftercall is a wave of deceptive Android apps on Google Play that pose as everyday tools while bombarding users with pop-up ads after every phone call. When an unexpected ad pops up every time you hang up a call, it will slowly drive you crazy, especially if you can’t figure out what's causing it...

This new Windows malware can take over your PC and wipe it clean

Microsoft published new research on GigaWiper, a modular Golang backdoor for Windows that combines robust remote access with multiple ways to permanently destroy systems and data. GigaWiper is a Windows backdoor that Microsoft has observed in intrusions since October 2025. Rather than being a...

WinRAR flaw could allow attackers to take control of your computer

Rarlab has released a new version of the popular WinRAR tool to patch a vulnerability that can be abused in remote code execution attacks. The issue is fixed in WinRAR 7.23, but users must install the new version manually because WinRAR still does not offer automatic updates. They also need to ma...

AI: Threat, tool, or both?

Public attitudes toward Artificial Intelligence AI are changing, and we wanted to understand why. A recent Pew Research survey found that about half of adults say the increased use of AI in daily life makes them more concerned than excited, and that concern has grown over the last few years. Peop...

Facebook scam promises cheap Aldi meat boxes, steals payment info instead

Sometimes you spot posts on social media that make you wonder if any moderation takes place at all. Which is concerning, because two- thirds of all online shopping scams now start on Facebook and Instagram. Online shopping scams are alarmingly common and have become one of the most frequently...

From fake Proton VPN sites to gaming mods, this Windows infostealer is everywhere

We’ve uncovered multiple campaigns distributing an infostealer we track as NWHStealer , using everything from fake VPN downloads to hardware utilities and gaming mods. What makes this campaign stand out isn’t just the malware, but how widely and convincingly it’s being spread. Once installed, it...

This fake Windows support website delivers password-stealing malware

A fake Microsoft support website is tricking people into downloading what looks like a normal Windows update. Instead, it installs malware designed to steal passwords, payment details, and account access. Because the file looks legitimate and avoids detection, it can slip past both users and...

Flock cameras shared license plate data without permission

Mountain View, California, pulled the plug on its entire license plate reader camera network this week. It discovered that Flock Safety, which ran the system, had been sharing city data with hundreds of law enforcement agencies, including federal ones, without permission. Flock Safety runs an...

December Patch Tuesday fixes three zero-days, including one that hijacks Windows devices

These updates from Microsoft fix serious security issues, including three that attackers are already exploiting to take control of Windows systems. In total, the security update resolves 57 Microsoft security vulnerabilities. Microsoft isn't releasing new features for Windows 10 anymore, so Windo...

“Sleeper” browser extensions woke up as spyware on 4 million devices

Researchers have unraveled a malware campaign that really did play the long game. After seven years of behaving normally, a set of browser extensions installed on roughly 4.3 million Chrome and Edge users’ devices suddenly went rogue. Now they can track what you browse and run malicious code insi...

New Android malware lets criminals control your phone and drain your bank account

Albiriox is a new family of Android banking malware that gives attackers live remote control over infected phones, letting them quietly drain bank and crypto accounts during real sessions. Researchers have analyzed a new Android malware family called Albiriox which is showing signs of developing...

How to set up two-factor authentication (2FA) on your Facebook account

While two-factor authentication 2FA is not completely fool-proof, it is one of the best ways to protect your accounts from hackers. It adds an extra step when logging in, which is a small extra effort for you, but it dramatically boosts your security. With 2FA, you’ll be asked for a special login...

McDonald’s AI bot spills data on job applicants

McDonald's has outsourced the initial stages of its hiring process to an AI chatbot which seems to have been built without proper security measures. Security researchers managed to extract personal information about McDonald's job applicants by simply guessing a username and the password “12345.”...

Android threats rise sharply, with mobile malware jumping by 151% since start of year

The Android threat landscape in the first half of 2025 has entered a new phase. An era marked not just by volume, but by coordination and precision. Attackers are no longer simply throwing malware at users and hoping for results. They’re building ecosystems . Recent Malwarebytes threat research...

Google fixes another actively exploited vulnerability in Chrome, so update now!

Google has released an update for the Chrome browser to patch an actively exploited flaw. The update brings the Stable channel to versions 137.0.7151.68/.69 for Windows and Mac and 137.0.7151.68 for Linux. The easiest way to update Chrome is to allow it to update automatically, but you can end up...

Android users bombarded with unskippable ads

Researchers have discovered a very versatile ad fraud network—known as Kaleidoscope—that bombards users with unskippable ads. Normally, ad fraud is not a concern for users of infected devices. They might experience some sluggish behavior on their device, but often that’s the extent of it. Ad frau...

Apple AirPlay SDK devices at risk of takeover—make sure you update

Researchers found a set of vulnerabilities in Apple’s AirPlay SDK that put billions of users at risk of their devices being taking over. AirPlay is Apple's proprietary wireless technology that allows you to stream audio, video, photos, and even mirror your device's screen from an iPhone, iPad, or...

A week in security (April 21 – April 27)

Last week on Malwarebytes Labs: AI is getting "creepy good" at geo-guessing Zoom attack tricks victims into allowing remote access to install malware and steal money Android malware turns phones into malicious tap-to-pay machines 4.7 million customers’ data accidentally leaked to Google by Blue...

Is your phone listening to you? (Lock and Code S06E07)

This week on the Lock and Code podcast … It has probably happened to you before. You and a friend are talking —not texting, not DMing, not FaceTiming—but talking , physically face-to-face, about, say, an upcoming vacation, a new music festival, or a job offer you just got. And then, that same wee...

A week in security (March 24 – March 30)

Last week on Malwarebytes Labs: Vulnerability in most browsers abused in targeted attacks "This fraud destroyed my life." Man ends up with criminal record after ID was stolen Moving from WhatsApp to Signal: A good idea? Security expert Troy Hunt hit by phishing attack Booking.com phish uses fake...

What Google Chrome knows about you, with Carey Parker (Lock and Code S06E06)

This week on the Lock and Code podcast … Google Chrome is, by far, the most popular web browser in the world. According to several metrics, Chrome accounts for anywhere between 52% and 66% of the current global market share for web browser use. At that higher estimate, that means that, if the 5.5...

AMOS and Lumma stealers actively spread to Reddit users

We were alerted to Mac and Windows stealers currently distributed via Reddit posts targeting users engaging in cryptocurrency trading. One of the common lures is a cracked software version of the popular trading platform TradingView. The crooks are posting links to both Windows and Mac installers...

Cybercrime gets a few punches on the nose

It’s not often that we get to share good news, so we wanted to grab this opportunity and showcase some progress made by law enforcement actions against cybercrime with you. Europol notified us about the take-down of two of the largest cybercrime forums in the world. With over 10 million users,...

Dental group lied through teeth about data breach, fined $350,000

A US chain of dental offices known as Westend Dental LLC denied a 2020 ransomware attack and its associated data breach, instead telling their customers that data was lost due to an “accidentally formatted hard drive.” Unfortunately for the organization, the truth was found out. Westend Dental...

Malicious ad distributes SocGholish malware to Kaiser Permanente employees

On December 15, we detected a malicious campaign targeting Kaiser Permanente employees via Google Search Ads. The fraudulent ad masquerades as the health care company's HR portal used to check for benefits, download paystubs and other corporate related tasks. We believe the threat actors' intent...