HTTPS: why the green padlock is not enough

When goods get sold in large quantities, the price goes down. This might not be the first law of economics, but it’s applicable. An extrapolation of this is that if there are practically no production costs and no raw materials involved, prices of such goods will drop to zero. Usually, they will ...

Maybe you shouldn’t use LinkedIn

UPDATE: 4/6/2018 LinkedIn reached out for comment on the article, and we'd like to clarify our position based on their concerns. They wrote: Members control their connections, who can see them including keeping them private if they wish and only first degree connections can get access to your...

Augmented Reality games and real-world trolling

Augmented Reality games—where you wave a device around and the digital collides with reality— have been booming in popularity ever since Pokemon GO! rolled into mobile storefronts. However, many AR games haven't really been designed with the possible consequences of real-world safety in mind. Tak...

IRISSCON security conference comes to Dublin in November

It's that time of the year when IRISSCON—the biggest security conference in Ireland, in my humble opinion—springs into life with a great collection of talks and Capture the Flag events. Held on November 23 in Dublin, there will be a strong focus on working in Infosec this year, alongside some of...

Don’t let these gaming threats give you a Game Over

With EGX, the biggest gaming event in the UK opening its doors today, we thought it'd be timely to remind you of some of the threats currently facing gamers. No matter what type of game, client, or system you use, there's always something waiting to try and give you a bad day where the safety of...

Mobile Menace Monday: Malicious clicker with extra maliciousness included

A new malicious clicker has emerged onto third-party app stores. Chinese in origin, the malicious app uses heavy obfuscation and poses as a battery optimizer app. We classify is as Android/Trojan.Clicker.hyj. Click to view slideshow. Hide what’s inside To obfuscate its code, Clicker.hyj uses an A...

Adware the series, the final: Tools section

So far in this series, we have handed you some methods to recognize and remediate adware. We used this diagram as a guideline. During this journey, we have touched upon several free tools that we used to get some insight on what type of infection we were dealing with and where the adware could be...

Learning PowerShell: The basics

I bet I went about learning PowerShell the wrong way, so I may need your help, readers of this blog. If only to organize my knowledge and use it for the fight against malware and not just to figure out how it was used in malware. The first serious look I had at PowerShell was when I was trying to...

A week in security (June 26 – July 02)

Last week, we offered our readers tips on how to detect phishing attempts, gave an overview of Google's Be Internet Awesome campaign, supplemented an ongoing series on adware, and introduced the Malwarebytes Endpoint Protection to those who aren't already in the know. We also pushed out a number ...

What is real-time protection and why do you need it?

The constant barrage of cyber threats can be overwhelming for all of us. And, as those threats evolve and attackers find new ways to compromise us, we need a way to keep on top of everything nasty that’s thrown our way. Malwarebytes’ free version tackles and reactively resolves threats already on...

CISA urges urgent patching of two actively exploited Citrix NetScaler vulnerabilities

The Cybersecurity and Infrastructure Security Agency CISA has added two Citrix NetScaler vulnerabilities to its Known Exploited Vulnerabilities catalog, and it has set the “due date” a week after they were added. Federal Civilian Executive Branch FCEB agencies are handed specific deadlines for wh...

Update Chrome! Google patches actively exploited zero-day vulnerability

Google has released an update for Chrome which includes four security fixes, including one for a vulnerability that has reportedly already been exploited. The easiest way to update Chrome is to allow it to update automatically, which basically uses the same method as outlined below but does not...

[updated] Ivanti Sentry critical vulnerability—don't play dice, patch

Ivanti has published a security blog post about a vulnerability in Ivanti Sentry, formerly MobileIron Sentry. Successful exploitation of the vulnerability would enable an unauthenticated attacker to access some sensitive APIs that are used to configure Ivanti Sentry on the administrator portal...

Update now! Apple fixes three actively exploited vulnerabilities

Apple has released security updates for several products to address a set of flaws that it says are being actively exploited. Updates are available for these products: Safari 16.5.1 | macOS Big Sur and macOS Monterey ---|--- iOS 16.5.1 and iPadOS 16.5.1 | iPhone 8 and later, iPad Pro all models,...

DNA testing company failed to protect sensitive genetic and health data, says FTC

DNA testing has long been a hot-button issue for security and privacy. Concerns about everything from law enforcement and data retention to job offers and insurance have all been examined at great length. With millions of people signing up to use these services, it was only a matter of time befor...

Update Chrome now! Google patches actively exploited flaw

In a recent security advisory, Google says it patched a high-severity zero-day security flaw in its Chrome browser--the first in 2023--currently being exploited in the wild by threat actors. The company urges all its Windows, Mac, and Linux users to update to version 112.0.5615.121 immediately, a...

Mortal Kombat ransomware forms tag team with crypto-stealing malware

An "unidentified actor" is making use of these two malicious files to cause combo-laden mayhem on desktops around the world, according to new research from Talos. The tag-team campaign serves up ransomware known as Mortal Kombat, which borrows the name made famous by the video game, and Laplas...

Update now! Apple patches vulnerabilities in MacOS and iOS

Apple has released information about the new security content of macOS Ventura 13.2.1 and of iOS 16.3.1 and iPadOS 16.3.1. Most prominent is a vulnerability in WebKit that may have been actively exploited. In December, 2022, we warned our readers about another actively exploited vulnerability in...

Ransomware: April 2022 review

The Malwarebytes Threat Intelligence team monitors the threat landscape continuously and produces monthly ransomware reports based on a mixture of proprietary and open-source intelligence. April 2022 was most notable for the emergence of three new ransomware-as-a-service RaaS groups—Onyx, Mindwar...

HermeticWiper: A detailed analysis of the destructive malware that targeted Ukraine

This blog post was authored by Hasherezade, Ankur Saini and Roberto Santos Disk wipers are one particular type of malware often used against Ukraine. The implementation and quality of those wipers vary, and may suggest different hired developers. The day before the invasion on Ukraine by Russian...

Password usage analysis of brute force attacks on honeypot servers

As Microsoft’s Head of Deception, Ross Bevington is responsible for setting up and maintaining honeypots that look like legitimate systems and servers. Honeypot systems are designed to pose as an attractive target for attackers. Sometimes they are left vulnerable to create a controllable and safe...

Please don’t buy this! 3 gift card scams to watch out for this holiday season

With the holiday season around the corner, we thought it was a good time to look at the dangers that come with gift cards. Gift cards can be an easy win in cases where you don’t know the receiver well enough to decide on a fitting gift, or when their wishes are out of your price range. But there...

How to delete your Snapchat account

Snapchat is an instant messaging app popular with youngsters that allows users to send pictures and videos that are only viewable for short periods. But while hundreds of millions of daily active users consume and create content with Snapchat, not everyone is pleased with the mobile app. One of t...

Firefox reveals sponsored ad “suggestions” in search and address bar

Mozilla is trying a novel experiment into striking a balance between ad revenue generation and privacy protection by implementing a new way to deliver ads in its Firefox web browser—presenting them as “suggestions” whenever users type into the dual-use search and URL address bar. The advertising...

Analysts “strongly believe” the Russian state colludes with ransomware gangs

"We have the smoke, the smell of gunpowder and a bullet casing. But we do not have the gun to link the activity to the Kremlin." This is what Jon DiMaggio, Chief Security Stretegist for Analyst1, said in an interview with CBS News following the release of its latest whitepaper, entitled "Nation...

Katie Moussouris hacked Clubhouse. Her emails went unanswered for weeks: Lock and Code S02E15

Nearly one year after the exclusive app Clubhouse launched on the iOS store, its popularity skyrocketed. The app, which is now out of beta, lets users drop into spontaneous audio conversations that, once they are over, are over. With COVID lockdown procedures separating many people around the wor...

A week in security (July 19 – July 25)

Last week on Malwarebytes Labs: Stopransomwaredotgov, a one-stop hub for ransomware resources Beware, crypto-scammer seeks foreigner with BLOCK CHAIN ACCOUNT Remcos RAT delivered via Visual Basic US, EU, UK, NATO blame China for “reckless” exchange attacks HiveNightmare zero-day lets anyone be...

A week in security (June 21 – June 27)

Last week on Malwarebytes Labs: Want to stop ransomware attacks? Send the cybercriminals to jail, says Brian Honan: Lock and Code S02E11 Atomic research institute breached via VPN vulnerability Hotel staff bust Hermes SMS scammer with suspiciously large number of cables City of Liège hit by...

A week in security (June 14 – June 20)

Last week on Malwarebytes Labs: How to delete your Instagram account. Working from home? You’re probably being spied on. Another one bites the dust: Avaddon ransomware group shuts down operation. Patch now! Apple fixes in-the-wild iPhone vulnerabilities. Windows 10 to retire in four years or 52...

Ransomware to be investigated like terrorism

The impact of recent ransomware attacks on vital infrastructure in the US has triggered a reaction from the US Attorney’s office. In an internal guidance it says that all ransomware investigations in the field should be centrally coordinated with a recently created task force in Washington...

Malwarebytes releases SMB Cybersecurity Trust & Confidence Report 2021

What can we say about 2020 that hasn’t already been said? Beliefs were shaken. Values were questioned. Truths were tested. Then COVID happened and things really got crazy. The World Health Organization declared the coronavirus outbreak a global pandemic on March 12, 2020. That same day...

Slack hurries to fix direct message flaw that allowed harassment

The enormous work messaging platform Slack quickly reversed course yesterday, promising to revise a brand-new direct message feature that could have been misused for harassment. Added to the company’s “Slack Connect” product—which lets enterprise users share messages with contract workers and...

Apple shines and buffs Mac security—Is it enough to stop today’s malware?

There’s a lot going on in the Mac security world lately. Over the last few months, Apple has ramped up security efforts across its platforms. From an endpoint security framework overhaul of macOS Catalina to phasing out kernel extensions, the tech giant has been battening down the...

Clubhouse under scrutiny for sending data to Chinese servers

The audio-chat app Clubhouse is the latest rage in the social media landscape. What makes it so popular and, now its part of the social media landscape, can we trust it? The Clubhouse app Clubhouse was launched about a year ago and was initially only used by Silicon Valley’s rich and famous. It i...

Malspam campaign caught using GuLoader after service relaunch

They say any publicity is good publicity. But perhaps this isnt true for CloudEye, an Italian firm that claims to provide "the next generation of Windows executables protection". First described by Proofpoint security researchers in March 2020, GuLoader is a downloader used by threat actors to...

International Women’s Day: awareness of stalkerware, monitoring, and spyware apps on the rise

Nine months ago, Malwarbytes recommitted itself to detecting invasive monitoring apps that can lead to the excessive harm of women—most commonly known as stalkerware. We pledged to raise public awareness, reach out to advocacy groups, and share samples and intelligence with other security vendors...

Spear phishing 101: what you need to know

Phishing, a cyberattack method as old as viruses and Nigerian Princes, continues to be one of the most popular means of initiating a breach against individuals and organizations, even in 2020. The tactic is so effective, it has spawned a multitude of sub-methods, including smishing phishing via...

Location data leaks from family tracking app database

An app called Family Locator, which allows family members to keep track of one another recently experienced an exposed database issue of the worst kind. Specifically: the MongoDB database was left exposed with no password, like so many other recent infosec tales of woe. The end result is the...

How to secure your content management system

Suppose you want to start your own blog or set up a website where you can easily manage its content, the way it looks, and how often it changes. What you need is a content management system CMS. WordPress, Drupal, and Joomla are some of the most popular content management systems used by both...

A week in security (January 8 – January 14)

It's very early in the year, yet everyone has already had a complete meltdown pun intended over a number of serious vulnerabilities found in legacy and modern microprocessors. Last week, rightly so, vendors released patches for hardware and OSes to help mitigate these threats. However, problems i...

Solution Corner: Malwarebytes for Android

People have become increasingly reliant on their mobile devices in recent years. Smartphones and tablets have revolutionized daily life. Unfortunately, such rapid growth has also attracted criminals, bringing Android up to par with Windows in terms of infection rates. Android threat landscape A...

A week in security (August 14 – August 20)

Last week, we gave some security tips for parents and kids aimed at the new school term. We also took a peek at the inside of the Kronos malware, focusing on how it works and protects itself. And, once again, we spotted a return of Locky ransomware with two new flavors at once, diablo6 and Lukitu...

7 tips to stay cyber safe this summer

You’ve probably already seen the back-to-school ads on TV and rolled your eyes a little bit. We’re with you: There’s still plenty of summer left. That’s why we want to remind you about some of the cybersecurity pitfalls you might encounter during the remainder of the summer season. Whether you’re...

A week in security (January 19 – January 25)

Last week on Malwarebytes Labs: Spammers abuse Zendesk to flood inboxes with legitimate-looking emails, but why? Fake LastPass maintenance emails target users Under Armour ransomware breach: data of 72 million customers appears on the dark web Can you use too many LOLBins to drop some RATs?...

Semrush impersonation scam hits Google Ads

This blog post was co-authored with Elie Berreby, Senior SEO Strategist Criminals are highly interested in online marketing and advertising tools that they can leverage as part of their ongoing malware campaigns. In particular, we have previously detailed how Google advertiser accounts can be...

Microsoft’s April 2024 Patch Tuesday includes two actively exploited zero-day vulnerabilities

The April 2024 Patch Tuesday update includes patches for 149 Microsoft vulnerabilities and republishes 6 non-Microsoft CVEs. Three of those 149 vulnerabilities are listed as critical, and one is listed as actively exploited by Microsoft. Another vulnerability is claimed to be a zero-day by...

A week in security (July 17 - 23)

Last week on Malwarebytes Labs: CISA: You've got two weeks to patch Citrix NetScaler vulnerability CVE-2023-3519 Estee Lauder targeted by Cl0p and BlackCat ransomware groups Google fixes "Bad.Build" Cloud Build flaw, researchers say it's not enough Accidental VirusTotal upload is a valuable...

Sharing Netflix, Disney+, other passwords is illegal, according to new guidance

The Intellectual Property Office IPO, the UK government body overseeing intellectual property rights in the UK, has quietly released new guidance on piracy and online counterfeit goods. This campaign is a joint effort between IPO and Meta, Facebooks parent company. The general issue on piracy is...

WhatsApp warns users: Fake versions of WhatsApp are trying to steal your personal info

WhatsApp boss Will Cathcart is warning users of the popular messaging app to be on their guard after the WhatsApp Security Team discovered bogus apps packing a hidden punch in the form of malware. Outside the safety of the walled garden App stores do whatever they can to try and prevent bogus...

Update now! Apple fixes actively exploited zero-day

Apple has released a security fix for a zero-day vulnerability CVE-2022-22620 that it says "may have been actively exploited." According to the security update information provided by Apple the vulnerability exists in WebKit—the HTML rendering engine component of its Safari browser—and can be use...