A week in security (November 18 – 24)

Last week on Malwarebytes Labs, we looked at stalkerware’s legal enforcement problem, announced our cooperation with other security vendors and advocacy groups to launch Coalition Against Stalkerware, published our fall 2019 review of exploit kits, looked at how Deepfake on LinkedIn makes for...

How to protect yourself from doxing

“Abandon hope all ye who enter.” This ominous inscription affixed atop the gates to Hell in Dante’s Divine Comedy applies peculiarly well to describe the state of the Internet today. It’s hard to draw a parallel to the utility that the Internet has offered to modern civilization—perhaps no other...

Europol: Ransomware remains top threat in IOCTA report

The European Union Agency for Law Enforcement Cooperation, or Europol, just released its annual Internet Organized Crime Threat Assessment IOCTA report for the year. And we weren’t surprised to find that ransomware, despite its palpable decline in volume these past few months—a trend we’ve also...

A week in security (October 7 – 13)

Last week on Malwarebytes Labs, we peered into the possible future of cybersecurity insurance, described the process for securing today’s managed service provider, and provided an in-depth explainer on the business espionage tactic known as “war shipping.” Further, in considering the intersection...

6 ways to keep up with cybersecurity without going crazy

As we dive headfirst into National Cybersecurity Awareness Month, it seems only fitting to discuss ways to stay on top of developments in modern cybersecurity and privacy. What's the best way to stay protected? How can you determine if something is a scam? Which big company has been breached now?...

How to protect your data from Magecart and other e-commerce attacks

In today's golden age of online shopping, consumers take to the Internet, punch in a few credit card details, and happily receive products at their doorstep, safe in the knowledge that their online vendor is well-known, vetted, and therefore their website has to be secure, right? Dut did you know...

Where did the tech support scam blacklist go?

For about five years, we've maintained a blacklist of recognized tech support scammers, along with websites and phone numbers they might use to contact victims. The blacklist was part of our Tech support scams: help and resource page, which tells readers how scams work, what tricks to look out fo...

Cybersecurity New Year’s resolutions, you say? Why not.

It's mid-January, and oh, how time flies. It wasn’t long since we bid farewell to 2017 and welcomed the new year with renewed hope and vigor. Of course, with such positivity comes a sense of an equally favorable outlook for the year ahead. However good that may sound, being faced with a tabula ra...

Cerber ransomware delivered in format of a different order of Magnitude

As a follow up to our study into the Magnitude exploit kit and its gate which we profiled in a previous blog post, we take a look at an interesting technique used to distribute the Cerber ransomware. Exploit kits are a very effective means of serving malicious payloads and an important aspect is...

Meta ordered to pay $942 million over harm to children

A New Mexico court has ordered Meta to pay a total of $942 million after finding that Facebook and Instagram harmed young users and that the company misled consumers about the safety of its platforms. Reportedly, the decision combines a $375 million civil-penalty verdict from March with a newly...

This Android vulnerability can break your lock screen in under 60 seconds

A vulnerability in Android devices can allow attackers to gain access to a phone in less than a minute. The vulnerability, tracked as CVE-2026-20435, affects certain MediaTek SoCs System-on-a-Chip using Trustonic’s TEE Trusted Execution Environment. That may sound rare, but reportedly that’s abou...

Fake Zoom meeting “update” silently installs unauthorized version of monitoring tool abused by cybercriminals to spy on victims

UPDATE February 27, 2026: We have added more clarity around the abuse of legitimate commercial products. UPDATE February 25, 2026 : Teramind has stated that it is not affiliated with the threat actors described and did not authorize the deployment of the software referenced. Further updates have...

FBI warns online daters to avoid “free” online verification schemes that prove costly

The FBI has warned of fraudsters targeting users of dating websites and apps with “free” online verification service schemes that turn out to be very costly. Instead of being free, as advertised, the verification schemes involve steep monthly subscription fees, and will steal personal information...

TikTok faces ban in US unless it parts ways with Chinese owner ByteDance

The House of Representatives has passed a bill that would effectively ban TikTok from the US unless Chinese owner ByteDance gives up its share of the immensely popular app. TikTok is an immensely popular social media platform that allows users to create, share, and discover, short video clips. It...

Ransomware review: March 2024

This article is based on research by Marcelo Rivero, Malwarebytes ransomware specialist, who monitors information published by ransomware gangs on their Dark Web sites. In this report, "known attacks" are those where the victim did not pay a ransom. This provides the best overall picture of...

Massive utility scam campaign spreads via online ads

For many households, energy costs represent a significant part of their overall budget. And when customers want to discuss their bills or look for ways to save money, scammers are just a phone call away. Enter the utility scam, where crooks pretend to be your utility company so they can threaten...

Patch now! Fortra GoAnywhere MFT vulnerability exploit available

On January 22, 2024, software company Fortra warned customers about a new authentication bypass vulnerability impacting GoAnywhere MFT Managed File Transfer that allows an attacker to create a new admin user. Fortra GoAnywhere MFT is a file transfer solution that organizations use to exchange the...

What Gen Z really cares about when it comes to privacy

It would be easy to think that Gen Z doesn’t care about privacy. They worry less about ad tracking, do little to stem the flow of their private information online, and, as Malwarebytes recently uncovered, monitor one another’s lives far more than other generations. But it isn’t that Gen Z,...

Warning issued over Royal ransomware

As part of its StopRansomware effort, the Cybersecurity and Infrastructure Security Agency CISA has published a Cybersecurity Advisory CSA about Royal ransomware. Royal ransomware is a Ransomware-as-a-service Raas that first made an appearance in January 2022. In September of that year, it began...

Riot Games compromised, new releases and patches halted

Popular game developer Riot Games brings word of a system compromise which may cause issues for updates to well known titles, although for the time being it seems as though customer data isn't affected. A social engineering development Making the notification via Twitter late last week, were stil...

Uber data stolen via third-party vendor

Uber is facing a new cybersecurity incident after threat actors stole some of its data from Teqtivity, a third-party vendor that provides asset management and tracking services. "We are aware of customer data that was compromised due to unauthorized access to our systems by a malicious third...

Why you shouldn’t automate your VirusTotal uploads

It is important to realize that uploading certain files to VirusTotal may result in leaking confidential data, which could result in a breach of confidentiality, or worse. We have warned against uploading personal information, as does VirusTotal itself on their home page. But apparently some...

Valorant cheats on YouTube are actually information-stealing malware

Valorant, the popular free-to-play team based shooter, is attracting the attention of scammers. It’s reported that a malware distribution campaign is leveraging YouTube to push infection files. The campaign distributes a file known for password theft, and hunts for those passwords in browsers,...

Online Safety Bill will legally require porn sites to verify users’ age

When Ioannis Dekas, a father of four boys, found that one of his sons had access to pornography, he and his wife became concerned. "In two weeks leading up to this moment, wed noticed a drastic change in his behavior," Dekas said in a BBC interview, "Withdrawal, a sense of anger towards his...

[updated]REvil ransomware disappears after Tor services hijacked

With some pests you hope they never recover from a blow. It’s almost too good to be true, but one can hope. This is one of them. The REvil ransomware group has shut down their operation for the second time this year after losing control over their Tor-based domains. Shutdown number 1 REvils first...

How to troubleshoot hardware problems that look like malware problems

Sometimes it’s hard to figure out what exactly is going wrong with your computer. What do you do if you’ve run all the scans, checked all the files, and everything says the PC is malware free? Here’s a list of common problems that resemble cybersecurity issues, but could be caused by something...

Beware password-spraying fancy bears

The NSA, FBI, and CISA, in cooperation with the UKs National Cyber Security Centre NCSC, have issued a report that describes in detail why, and how, they think that a Russian military unit is behind large-scale brute-force attacks on the cloud-IT resources of government and private sector compani...

How to deactivate or delete your Facebook account

People worldwide use Facebook to connect with friends and family, and to engage in pointless debates with strangers over moderately amusing cat videos. But while some feel that the social media platform is an essential part of life, others find the data scandals and privacy issues disconcerting...

Insider threats: If it can happen to the FBI, it can happen to you

If you’re worried about the risk of insider threats, you’re not alone. It can affect anyone, even the FBI. A federal grand jury has just charged a former intelligence analyst with stealing confidential files from 2004 to 2017. That’s an incredible 13 years of “What are you doing with that pile of...

Deepfakes were going to change everything. And then they didn’t

For much of 2020, the most visible conversation about the US election and tech was related to deepfakes images or videos where the subject is replaced by another likeness. They could “destroy democracy” generally, and influence the US election in ways we couldn’t possibly imagine. People talked...

International Women’s Day: Women in tech name their heroes

Happy Monday! And if you haven’t yet checked the significance of this day—March 8—before grabbing coffee, today is International Women’s Day IWD. Since March 19, 1911, the year the very first IWD was observed in several European countries, millions of people have been calling for women to be give...

Malwarebytes targeted by Nation State Actor implicated in SolarWinds breach. Evidence suggests abuse of privileged access to Microsoft Office 365 and Azure environments

A nation state attack leveraging software from SolarWinds has caused a ripple effect throughout the security industry, impacting multiple organizations. We first reported on the event in our December 14 blog and notified our business customers using SolarWinds asking them to take precautionary...

Emotet returns just in time for Christmas

Emotet is a threat we have been tracking very closely throughout the year thanks to its large email distribution campaigns. Once again, and for about two months, the botnet stopped its malspam activity only to return days before Christmas. In typical Emotet fashion, the threat actors continue to...

A week in security (December 7 – December 13)

Last week on Malwarebytes podcast we talked to Doug Levin, founder of the K12 cybersecurity resource center and advisor to the K12 Security Information Exchange, about how schools can plan for a cybersecure 2021. We also released a Malwarebytes Labs report revealing that 50 percent of schools did...

Malwarebytes detects leaked tools from FireEye breach

Hello folks! If you have not heard yet, the security firm FireEye has had a breach of many red team assessment tools used for identification of vulnerabilities to help protect customers. While it is not known exactly who was behind this attack, a big concern is the sharing and use of these stolen...

Buying COVID-19 vaccines from the Dark Web? No thanks!

Even though we hope that this is an unnecessary warning, we do want to put it out there. As soon as there was talk about a vaccine being available against the COVID-19 virus there were vendors on the Dark Web offering Russian and Chinese COVID-19 vaccines for sale. Now that the UK has started its...

Vastaamo psychotherapy data breach sees the most vulnerable victims extorted

“Hell is too nice a place for these people.” Never have we seen outrage about a cybercrime at such a level. The outrage is aimed at cybercriminals behind the data breach that occurred at Finnish psychotherapy practice Vastaamo. Vastaamo, which has treated some 40,000 patients, is a subcontractor ...

Mass surveillance alone will not save us from coronavirus

As the pattern-shattering truth of our new lives drains heavy—as coronavirus rends routines, raids our wellbeing, and whiplashes us between anxiety and fear—we should not look to mass digital surveillance to bring us back to normal. Already, governments have cast vast digital nets. South Koreans...

Cybersecurity labeling scheme introduced to help users choose safe IoT devices

The Internet of Things IoT is a term used to describe a wide variety of devices that are connected to the Internet to improve user experience. For example, a doorbell becomes part of the IoT when it connects to the Internet and allows users to see visitors outside their door. But the way in which...

Introducing Lock and Code: a Malwarebytes Labs podcast

Intrepid Labs readers might be happy to know that we're stepping into territory long-requested and desired: we're launching a podcast. Malwarebytes researchers and reporters are on the front lines of cybercrime, delivering both fast-breaking news and thoughtful features on our blog to raise...

A week in security (February 17 – 23)

Last week on Malwarebytes Labs, we highlighted the benefits and concerns of identity-as-a-service IDaaS, an identity management scheme deployed from the cloud; reported on scammers and squatters taking advantage of Rudy Giuliani’s Twitter typos; and gave a high-level overview of RobbinHood, the...

6 ways hackers are targeting retail businesses

Retail hacking is no new phenomenon, although it has increased in frequency over the last few years. In fact, retailers experienced more breaches than any other industry in 2019, and they've lost over $30 billion to cybersecurity attacks. Both brick-and-mortar and online businesses experience...

Mac threat detections on the rise in 2019

Conventional wisdom has been that, although not invulnerable to cyberthreats as some old Apple ads would have you believe, Macs are afflicted with considerably fewer infections than Windows PCs. However, when reviewing our 2019 Mac detection telemetry, we noticed a startling upward trend. Indeed,...

Capital One breach exposes over 100 million credit card applications

Just as we were wrapping up the aftermath of the Equifax breach—how was that already two years ago?—we are confronted with yet another breach of about the same order of magnitude. Capital One was affected by a data breach in March. The hacker gained access to information related to credit card...

Mozilla urges Apple to make privacy a team sport

We often say cybersecurity is a team sport, but, pending a public advocacy campaign from one major tech developer to another, the same might be true for online privacy. Mozilla is currently getting people around the world to lend their voices toward Apple, asking that the company place some extra...

Sophisticated threats plague ailing healthcare industry

The healthcare industry is no longer circling the drain, but it's still in critical condition. While many organizations in healthcare have aimed at or made positive strides toward a more robust cybersecurity and privacy posture, they still have a long way to go. In 2018, healthcare had the highes...

Bad romance: catphishing explained

You've heard or read about some variant of this story before: Girl meets Boy on a dating website. Girl falls in love. Boy claims he does, too. Girl is excited to meet Boy soon. But at the last minute, Girl finds out that Boy 1 had an accident and broke a hip; 2 has a very sick relative he needs t...

A week in security (April 27 – May 3)

Last week on Malwarebytes Labs: 3 easy-to-miss cybersecurity risks for small businesses Actively exploited cPanel bug exposes millions of websites to takeover More PayPal emails hijacked to deliver tech support scams Hackers stole hundreds of thousands of Roblox accounts: Here’s what to do...

A week in security (April 8 – April 14)

Last week on Malwarebytes Labs: How to change your Social Security Number Apple warns people of mercenary attacks via threat notification system How to check if your data was exposed in the AT&T breach Microsoft’s April 2024 Patch Tuesday includes two actively exploited zero-day vulnerabilities H...

[updated] Apex Legends Global Series plagued by hackers

The North American finals of online shooter game Apex Legends has been postponed after games were disrupted by hacking incidents. Apex Legends, published by EA, is currently in an important stage of its Global Series, the regional finals mode. This is a big deal for the top players since there is...