Denonia cryptominer is first malware to target AWS Lambda

Security researchers at Cado Security, a cybersecurity forensics company, recently discovered the first publicly-known malware targeting Lambda, the serverless computing platform of Amazon Web Services AWS. Though Lambda has been around for less than ten years, serverless technology is considered...

Brave browser goes the extra mile to block third party cookies

Brave is testing a new feature to stop bounce tracking, a sneaky method that websites use to load third-party tracking cookies so they can gather more information about who is visiting their site. The Brave browser As you may remember from our post about the best browsers for privacy and security...

How to clear cookies

Until the information age, cookies were only known as a tasty but unhealthy snack that some people enjoyed, and others avoided. HTTP cookies, also known as computer, browser, or Internet cookies, are similarly divisive. Although some people like the more personalized browsing experience created b...

A week in security (May 31 – June 6)

Last week on Malwarebytes Labs, we looked at an interesting trend in facial recognition technology—hint: its a slow fade, the latest ransomware attacks on JBS and Steamship Authority, Cobalt Strike, a Coronavirus phishing campaign, WhatsApp’s decision to not limit app functionalities for...

Colonial Pipeline attack spurs new rules for critical infrastructure

Following a devastating cyberattack on the Colonial Pipeline, the Transportation Security Administration—which sits within the government’s Department of Homeland Security—will issue its first-ever cybersecurity directive for pipeline companies in the United States, according to exclusive reporti...

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...

What is an IP address? Do I need one?

An IP address tells computers how to find a certain device within a computer network. An IP address is like an address label for information packets. For each network your computer is connected to, it has a unique IP address on that network. So, one device can have several IP addresses at the sam...

RDP, the ransomware problem that won’t go away

The year 2020 will certainly be remembered as one of the most difficult and tragic years humankind has faced in modern times. The global pandemic changed the way we live and work in ways unimaginable, perhaps forever. It also altered the cybersecurity landscape dramatically. The FBI reported a 30...

Ubiquiti breach, and other IoT security problems

Networking equipment manufacturer Ubiquiti sent out an email to warn users about a possible data breach. The email stated there had been unauthorized access to its IT systems that are hosted with a third-party cloud provider. Ubiquiti Networks sells networking devices and IoT devices. It did not...

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...

New Emotet delivery method spotted during downward detection trend

Emotet, one of cybersecurity’s most-feared malware threats, got a superficial facelift this week, hiding itself within a fake Microsoft Office request that asks users to update Microsoft Word so that they can take advantage of new features. This revamped presentation could point to internal effor...

Lock and Code S1Ep12: Pinpointing identity and access management’s future with Chuck Brooks

This week on Lock and Code, we discuss the top security headlines generated right here on Labs and around the Internet. In addition, we talk to Chuck Brooks, cybersecurity evangelist and adjunct professor for Georgetown University’s Applied Intelligence Program and graduate Cybersecurity Programs...

How CVSS works: characterizing and scoring vulnerabilities

The Common Vulnerability Scoring System CVSS provides software developers, testers, and security and IT professionals with a standardized process for assessing vulnerabilities. You can use the CVSS to assess the threat level of each vulnerability, and then prioritize mitigation accordingly. This...

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...

Lock and Code S1Ep4: coronavirus and responding to computer viruses with Akshay Bhargava

This week on Lock and Code, we discuss the top security headlines generated right here on Labs and around the Internet. In addition, we talk to Akshay Bhargava, Chief Product Officer of Malwarebytes, about the similarities between coronavirus and computer viruses. We discuss computer virus...

Coronavirus Bitcoin scam promises “millions” working from home

In the last week, we’ve seen multiple coronavirus scams pushed by bad actors, including RAT attacks via fake health advisories, bogus e-books working in tandem with Trojans, and lots of other phishing shenanigans. Now we have another one to add to the ever-growing list: dubious coronavirus Bitcoi...

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,...

Growing rate of robocalls threatens user privacy

When a person sees a call from an unknown number and picks up to hear a recorded voice on the other end, they've received a robocall. Some are helpful, such as reminders of upcoming doctor's appointments or school announcements. However, the vast majority are from unsolicited parties trying to...

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?...

Safari users: Where did your extensions go?

Safari 12 has brought with it some changes to how OSX handles browser extensions. At WWDC in June, Apple announced that Safari would block legacy extensions installed from outside the Extensions Gallery, which itself would now be deprecated. As a replacement, Safari will now rely on "app...

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...

A look into the global drive-by cryptocurrency mining phenomenon

An important milestone in the history of cryptomining happened around mid-September when a company called Coinhive launched a service that could mine for a digital currency known as Monero directly within a web browser. JavaScript-based mining is cross-platform compatible and works on all modern...

Exhibition: it-sa Nuremberg

Scroll down for the German version of this post. Since 2009, security professionals, developers, and product providers have shared their ideas and platforms at it-sa, a security exhibition in the Exhibition Centre in Nuremberg, Germany. This year, it-sa featured 629 exhibitors including...

Apple WebKit vulnerabilities reveal your IP address, despite Private Relay

Three WebKit mechanisms have been discovered to bypass Apple's iCloud Private Relay. In fact, the mechanisms can bypass any browser‑level proxy configuration, including Psylo’s proxy, Tor-on-iOS proxy setups, and so on. Private Relay is a VPN-like system for Safari on iOS which is meant to preven...

OpenAI explains how its AI agent breached Hugging Face

On July 28, OpenAI published an update on the agent that escaped its sandbox and hacked into Hugging Face during an internal cybersecurity evaluation. In the update, OpenAI reiterates that the “rogue” system was a more capable, pre‑release research model, not something intended for public...

Attackers adopt JavaScript runtime Bun to spread NWHStealer

In our previous research, we analyzed a Windows infostealer we track as NWHStealer. The attackers behind this stealer are continuously finding new methods to distribute the stealer. During our hunting activities, we noticed how attackers are using a JavaScript runtime called Bun to help distribut...

How Manifest v3 forced us to rethink Browser Guard, and why that’s a good thing

As a Browser Guard user, you might not have noticed much difference lately. Browser Guard still blocks scams and phishing attempts just like always, and, in many cases, even better. But behind the scenes, almost everything changed. The rules that govern how browser extensions work went through a...

Scammers hijack websites of Bank of America, Netflix, Microsoft, and more to insert fake phone number

The examples in this post are actual fraud attempts found by Malwarebytes Senior Director of Research, Jérôme Segura. Cybercriminals frequently use fake search engine listings to take advantage of our trust in popular brands, and then scam us. It often starts, as with so many attacks, with a...

Malwarebytes only vendor to win every MRG Effitas award in 2022 & 2023

MRG Effitas, a world leader in independent IT research, published their anti-malware efficacy assessment results for Q1 2023. Malwarebytes Endpoint Protection EP achieved the highest possible score 100% and received certifications for Level 1, Exploit, Online Banking, and Ransomware. These result...

CISA issues warning to US businesses: Beware of China's state-sponsored cyber actor

The US Cybersecurity and Infrastructure Security Agency CISA has an urgent message for US businesses: watch out for Volt Typhoon, a threat actor sponsored by the Peoples Republic of China PRC. The agency's joint Cybersecurity Advisory CSA published last week highlights a cluster of tactics,...

Tracking down a trojan: An inside look at threat hunting in a corporate network

At Malwarebytes, we talk a lot about the importance of threat hunting for SMBs--and not for no good reason, either. Just consider the fact that, when a threat actor breaches a network, they dont attack right away. The median amount of time between system compromise and detection is 21 days. By th...

CISA updates ransomware guidance

The Cybersecurity and Infrastructure Security Agency CISA has updated its StopRansomware guide to account for the fact that ransomware actors have accelerated their tactics and techniques since the original guide was released in September of 2020. The StopRansomware guide is set up as a one-stop...

Swatting-as-a-Service is a growing and complicated problem to solve

One Telegram channel has been found to be behind a great deal of swatting incidents in the US. Using the anonymity provided by Telegram, caller ID spoofing, and voices generated by Artificial Intelligence AI, a person or group of persons calling themselves Torswats is suspected to be behind dozen...

How the cops buy a "God view" of your location data, with Bennett Cyphers: Lock and Code S04E09

The list of people and organizations that are hungry for your location data--collected so routinely and packaged so conveniently that it can easily reveal where you live, where you work, where you shop, pray, eat, and relax--includes many of the usual suspects. Advertisers, obviously, want to sen...

Introducing Malwarebytes Managed Detection and Response (MDR)

With our Managed Detection and Response MDR service now generally available for businesses and MSPs, you may be wondering: What is MDR, how does Malwarebytes MDR work, and do I need it? Underpinned by our award-winning EDR technology, Malwarebytes MDR offers powerful and affordable threat...

A first look at the builder for LockBit 3.0 Black

A few months after the LockBit gang released version 3.0 of its ransomware, LockBit 3.0 Black, the builder for it has been leaked by what seems to be a disgruntled developer. LockBit has been by far the most widely used ransomware in 2022 and the appearance of the builder could make things worse...

KMSpico explained: No, KMS is not "kill Microsoft"

Thanks to Pieter Arntz and the Threat Intelligence Team who contributed to the research. A hack tool is a program that allows users to activate software even without a legitimate, purchased key. Hack tools are often used to root devices in order to among others remove barriers that stop users fro...

Hackers take over 1.1 million accounts by trying reused passwords

The New York State Office of the Attorney General has warned 17 companies that roughly 1.1 million customers have had their user accounts compromised in credential stuffing attacks. Credential stuffing is the automated injection of stolen username and password pairs in to website login forms, in...

Vulnerable WordPress plugin leaves online shoppers vulnerable

The most popular web content management system CMS is WordPress, which is used by more than 30% of all websites. By extension, the most popular ecommerce platform in the world is WooCommerce, a plugin that turns a WordPress website into an online shop. In fact, WooCommerce is so popular that it...

WhatsApp reverses course, will not limit app functionality

WhatsApp, the end-to-end encrypted messaging service that has lost users, its founders, and a large amount of public goodwill, issued a reversal on its recent privacy policy enforcement measures, clarifying that it will no longer punish users who refuse to share some of their data with the...

“Have I been pwnd?”– What is it and what to do when you *are* pwned

Adobe. Yahoo!. The US Department of Energy DoE. The New York Times. What these names have in common is that they have all experienced at least one breach in 2013—the year when threat actors started targeting organizations across industries to either steal data for profit or leak them to "teach...

iPhone calendar spam attacks on the rise

Recently, we have seen an increasing number of reports from iPhone users about their calendars filling up with junk events. These events are most often either pornographic in nature, or claim that the device has been infected or hacked, and in all cases they contain malicious links. This phenomen...

CodeCov supply-chain compromise likened to SolarWinds attack

CodeCov, a company that creates software auditing tools for developers, was recently breached the company says it was breached on April 1, and reported it on the April 15. According to investigators, this incident, in turn, gave attackers access to an unknown number of CodeCov’s clients networks...

Mother charged with using deepfakes to shame daughter’s cheerleading rivals

A Pennsylvania woman reportedly sent doctored photos and videos of her daughters cheerleader rivals to their coaches, in an attempt to embarrass them and get them kicked off the team. Shes alleged to have used deepfake technology to create photo and video depictions of the girls naked, drinking,...

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...

How NOT to fail at PDF redaction

The heated spat between Europe and AstraZeneca over a contract has segued into an unexpected blunder that left many of us chuckling and surprised at the same time. Perhaps even feeling a bit awkward. Recently, the European Commission published a PDF version of the contract it had with AstraZeneca...

Fonix ransomware gives up life of crime, apologizes

Ransomware gangs deciding to pack their bags and leave their life of crime is not new, but it is a rare thing to see indeed. And the Fonix ransomware also known as FonixCrypter and Xinof, one of those ransomware-as-a-service RaaS offerings, is the latest to join the club. End of FonixCrypter...

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...

Brute force attacks increase due to more open RDP ports

While leaving your back door open while you are working from home may be something you do without giving it a second thought, having unnecessary ports open on your computer is a security risk that is sometimes underestimated. Thats because an open port can be subject to brute force attacks. What...

A week in security (January 20 – 26)

Last week on Malwarebytes Labs, we reported on a Ryuk ransomware attack on The Tampa Bay Times, a newspaper in Florida; unmasked an elaborate browser locking scheme behind the more advanced tech support operations that are currently active; and looked at the latest laws on regulating deepfakes...