Falsifying and weaponizing certified PDFs

The Portable Document Format PDF file type is one of the most common file formats in use today. Its value comes from the fact that PDFs always print the same way, and that PDFs are supposed to be read-only unlike a Word document, say, which is designed to be easy to edit. This immutability can be...

Healthcare service faces test of willpower with Ransomware authors

Healthcare and ransomware are in the news in a big way. Data leaks are inevitable, but those are typically associated with accidents by the general public. Possibly the most malicious type of data spillage is when people compromising said data decide to do the spilling. It’s one thing to...

What is encryption? And why it matters in a VPN

Encryption is a term used to describe the methods that hide the true meaning of messages using code, especially to prevent unauthorized access to the information in the messages. Not all users of virtual private networks VPN care about encryption, but many are interested and benefit from strong...

How to delete your Twitter account: the deactivation process

You may decide to delete your Twitter account, because social media isn’t for everyone. Perhaps you set up an account to see what the big deal is. Maybe you wanted to hang out with friends but you’re all moving to a new platform. It’s possible the service just isn’t very good and filled with trol...

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...

What is Incognito mode? Our private browsing 101

Incognito mode is the name of Google Chrome’s private browsing mode, but it’s also become the catch-all term used to describe this type of web surfing, regardless of the browser being used. Some call it Private Mode, others call it Private Browsing. Apple almost certainly got there first, yet...

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...

VPN Android apps: What you should know

Months ago, we told readers about the importance of using a VPN on their iPhones, and while those lessons do apply to Android devices—a VPN for Android will encrypt your Android’s web activity and app traffic, and it will stop your mobile carrier from monetizing your data—Android users should...

A week in security (May 17 – May 23)

Last week on Malwarebytes Labs, we looked at a banking trojan full of nasty tricks, explained some tips and pointers for using VirusTotal, and dug into how an authentication vulnerability was patched by Pega Infinity. We also explored how a Royal Mail phish deploys evasion tricks to avoid analysi...

Shining a light on dark patterns with Carey Parker: Lock and Code S02E09

This week on Lock and Code, we speak to cybersecurity advocate and author Carey Parker about "dark patterns," which are subtle tricks online to get you to make choices that might actually harm you. Dark patterns have been around for years, and the tricks theyre based on are even older. Ever bough...

Apple confirms Macs get malware

Anyone following the court case between Epic and Apple is undoubtedly already aware of the "bombshell" dropped by Apples Craig Federighi yesterday. For those not in the know, Federighi, as part of his testimony relating to the security of Apples mobile device operating system, iOS, stated that "w...

Android patches for 4 in-the-wild bugs are out, but when will you get them?

In the Android Security Bulletin of May 2021, published at the beginning of this month, you can find a list of roughly 40 vulnerabilities in several components that might concern Android users. According to info provided by Googles Project Zero team, four of those Android security vulnerabilities...

A doctor reveals the human cost of the HSE ransomware attack

"It’s cracking, the whole thing." The words were delivered quickly, but in a thoughtful and measured way. As if the person saying them was used to delivering difficult news. Little surprise, given they belonged to a doctor. But this doctor wasnt describing a medical condition—this was their...

“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...

Royal Mail phish deploys evasion tricks to avoid analysis

Royal Mail phish scams are still in circulation, slowly upgrading their capabilities with evasion tools deployed in far more sophisticated malware attacks. Often, the quality of sites we see varies greatly. Many fake Royal Mail pages are cookie-cutter efforts existing on borrowed time. The...

Pega Infinity patches authentication vulnerability

Security researchers came across a Pega Infinity vulnerability through participation in Apple’s bug bounty program, after focusing on vendors that supplied technology to Apple. By using Burp Suite—an integrated platform for performing security testing of web applications—the security researchers...

4 things you should know about testing AV software with VirusTotal’s free online multiscanner

As COVID-19 soldiers on, small and medium-size businesses now feel as ripe for malware attacks as deep-pocketed multinationals. SMBs see that, along with remote work, our pandemic has also brought troubling new holes to their security. This means cybercriminals—equal opportunity charlatans that...

Bizarro: a banking Trojan full of nasty tricks

Researchers have discovered a new banking Trojan that has been found targeting customers of European and South American banks. They have dubbed the new Trojan Bizarro. How does Bizarro spread? The Bizarro malware spreads via Microsoft Installer MSI packages. Identified sources so far have been sp...

A week in security (May 10 – 16)

Last week on Malwarebytes Labs, we watched and reported on the Colonial Pipeline ransomware attack as developments of its story unfolded. This attack triggered the White House to refine a planned Executive Order on cybersecurity. We also profiled DarkSide, the ransomware responsible for the...

Gamers level up with rewards for better security

There was a time when stolen gaming accounts were almost treated as a fact of life. Console hacks weren’t taken particularly seriously. Security research in this area was occasionally derided as unimportant or trivial. Gaming accounts had an essence of innate disposability to them, even if this...

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...

WhatsApp calls and messages will break unless you share data with Facebook

WhatsApp told users last week that there was no need for alarm regarding an upcoming privacy policy deadline, as users who refuse to accept the privacy policy will not have their accounts deleted—they will just have their apps rendered useless, eventually incapable of receiving calls and messages...

What is a honeypot? How they are used in cybersecurity

Cybersecurity experts strive to enhance the security and privacy of computer systems. Quietly observing threat actors in action can help them understand what they have to defend against. A honeypot is one such tool that enables security professionals to catch bad actors in the act and gather data...

Newly observed PHP-based skimmer shows ongoing Magecart Group 12 activity

This blog post was authored by Jérôme Segura Web skimming continues to be a real and impactful threat to online merchants and shoppers. The threat actors in this space greatly range in sophistication from amateurs all the way to nation state groups like Lazarus. In terms of security, many...

What does WiFi stand for?

We use WiFi to connect to the Internet, but what is it, and what does it stand for? How does it have such a catchy name, and why do we sometimes have a weak Internet connection with a strong WiFi signal and vice versa? Read on to answer these questions and more. What does WiFi mean? Many people...

Using iPhones and AirTags to sneak data out of air-gapped networks

Someone has found an extraordinary way to exfiltrate data by piggybacking data on the backs of unsuspecting iPhones. Say what? A researcher has found out that it is possible to upload arbitrary data from non-internet-connected devices by sending Bluetooth Low Energy BLE broadcasts to nearby Apple...

Why MITRE ATT&CK matters—Choosing alert quality over quantity

Round 3 Carbanak/FIN7 results evaluation Last month, the researchers at MITRE Engenuity released the results of their most recent ATT&CK Evaluation, offering businesses an opportunity to make informed choices about their own security needs. This year, by modeling the ATT&CK testing after attack...

FragAttack: New Wi-Fi vulnerabilities that affect… basically everything

A new set of vulnerabilities with an aggressive name and their own website almost always bodes ill. The name FragAttack is a contraction of fragmentation and aggregation attacks, which immediately indicates the main area where the vulnerabilities were found. The vulnerabilities are mostly in how...

Threat spotlight: DarkSide, the ransomware used in the Colonial Pipeline attack

Late last week, the business network systems of Colonial Pipeline, the biggest supplier of fuels on the East Coast of the United States, were compromised due to a ransomware attack, forcing the company to temporarily shut down its operations while investigations are underway. Monday morning,...

Get patching! Wormable Windows flaw headlines Patch Tuesday

It looks like patching a wormable Remote Code Execution RCE bug in the HTTP stack of Windows 10 and Windows Server is likely to be top of most sysadmins todo lists after reading Mays Patch Tuesday updates. The monthly bug bonanza also features three other critical items among its 55 patches...

Colonial Pipeline attack expected to trigger imminent hardening of cybersecurity rules for federal agencies

UPDATE 04:23 pm Pacific Time, May 12: On Wednesday, President Joe Biden signed an Executive Order that broadly directs the Commerce Department to create cybersecurity standards for companies that sell software to the federal government. The Order comes in the immediate aftermath of a ransomware...

Avaddon ransomware campaign prompts warnings from FBI, ACSC

Both the Australian Cyber Security Centre ACSC and the US Federal Bureau of Investigation FBI have issued warnings about an ongoing cybercrime campaign that is using Avaddon ransomware. The FBI states that is has received notifications of unidentified cyber actors using Avaddon ransomware against...

Alleviating ransomware’s legal headaches with Jake Bernstein: Lock and Code S02E08

This week on Lock and Code, we speak to cybersecurity and privacy attorney Jake Bernstein about ransomware attacks that dont just derail a companys reputation and productivity, but also throw them into potential legal peril. In 2020, the cybersecurity community noticed a worrying trend from...

Ransomware attack shuts down Colonial Pipeline fuel supply

UPDATE 10:47 AM Pacific Time, May 10: At 8:55 AM Pacific Time, the FBI confirmed that Colonial Pipeline was attacked by Darkside. According to a statement posted on Twitter, the FBI said: "The FBI confirms that the Darkside ransomware is responsible for the compromise of Colonial Pipeline network...

A week in security (May 3 – 9)

Last week on Malwarebytes Labs, we discussed how Spectre attacks have come back from the dead; why Facebook banned Instragram ads by Signal; we highlighted the differences between the most popular VPN protocols; pointed out that Google is about to start automatically enrolling users in two-step...

Millions put at risk by old, out of date routers

Since the first stay-at-home measures were imposed by governments to keep everyone safe from the worsening COVID-19 pandemic, we at Malwarebytes have been making sure that you, dear reader, are as cyber-secure as possible in your home network, while you try to work and while your children attend...

Google to start automatically enrolling users in two-step verification “soon”

If you use a Google account, it may soon be mandatory to sign up to Googles two-step verification program. As recently as 2017, a tiny amount of GMail users made use of its two-step options. Maybe the uptake is still slow, and Google has decided enough is enough. With so much valuable data stuffe...

VPN protocols explained and compared

A Virtual Private Network VPN creates a safe "tunnel" between you and a computer you trust normally your VPN provider to protect your traffic from spying and manipulation. Any VPN worth its money encrypts the information that passes through it, so in this article we will ignore those that dont us...

Facebook bans Signal ads that reveal the depth of what it knows about you

Most of our readers are well aware of the fact that the big tech corporations, especially those that run social media know a great deal about us and our behavior. But it rarely hits home how much personal data they have about us and how they can guess, quite correctly, even more. Lots more. Signa...

Spectre attacks come back from the dead

Spectre is the name for a whole class of vulnerabilities discovered in January 2018 that affected huge numbers of modern computer processors that rely on a performance feature called speculative execution. Since then, some of the world’s most talented computer scientists from industry and academi...

A week in security (April 26 – May 2)

Last week on Malwarebytes Labs, we looked at which age range is most likely to be targeted by online predators, talked to Malwarebytes CISO John Donovan on our Lock and Code podcast, and explored the latest deepfake happenings. We also dug into a supply chain attack, discussed threats from a...

Task Force delivers strategic plan to address global ransomware problem

The Ransomware Task Force RTF, a think tank composed of more than 60 volunteer experts who represent organizations encompassing industries and governments, has recently pushed out a comprehensive and strategic plan for tackling the increasing threat and evolution of ransomware. The report, entitl...

IoT riddled with BadAlloc vulnerabilities

The Cybersecurity and Infrastructure Security Agency CISA has published advisory ICSA-21-119-04 about vulnerabilities found in multiple real-time operating systems RTOS and supporting libraries. Those operating systems and libraries are widely used in smart, Internet-connected "things". The numbe...

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...

Signal app insists it’s so private it can’t provide subpoenaed call data

Signal—the private, end-to-end encrypted messaging app that surged in popularity in recent months—once again reminded criminal investigators that it could not fully comply with a legal request for user records and communications because of what it asserts as a simple, unchanging fact: The records...

What is Smishing? The 101 guide

Smishing is a valuable tool in the scammers armoury. Youve likely run into it, even if you didnt know that is its name. It doesnt arrive by email or social media direct message, instead choosing a route directly aimed at what may be your most personal device: the mobile phone. So, what is Smishin...

City fined for tracking its citizens via their phones

The Dutch information watchdog—the Autoriteit Persoonsgegevens AP—has fined the city of Enschede for € 600,000 for tracking its citizens movements without permission. It is the first time that a Dutch government body has been fined by the AP. The investigation was set in motion after it received ...

Bitcoin scammers phish for wallet recovery codes on Twitter

Were no strangers to the Twitter customer support DM slide scam. This is where someone watches an organisation perform customer support on Twitter, and injects themselves into the conversation at opportune moments hoping potential victims don’t notice. This is aided by imitation accounts modelled...

Watch out! Android Flubot spyware is spreading fast

Using a proven method of text messages about missed deliveries, an old player on the Android malware stage has returned for an encore. This time it seems to be very active, especially in the UK where Android users are being targeted by text messages containing a link to a particularly nasty piece...

Ransomware group threatens to leak information about police informants

UPDATE 12:12 PM Pacific Time, April 28: As of at least 9:40 AM Pacific Time, the Babuk ransomware gang removed any reference to the allegedly stolen DC Police Department data from its data leak website. This does not indicate with any certainty that the DC Police Department paid Babuk, but it is...