Ukraine-Russia Cyber Warzone Splits Cyber Underground

The Russia-Ukraine cyber warzone has split the Conti ransomware gang into warring factions, leading to a Ukrainian member spilling 60,000 of the group’s internal chat messages online. On Monday, vx-underground – an internet collection of malware source code, samples and papers that’s generally...

Analysis and Protections for RagnarLocker Ransomware

Trellix Global Defenders: Analysis and Protections for RagnarLocker Ransomware By Taylor Mullins · February 28, 2022 The United States Federal Bureau of Investigation FBI has released a Flash Alert warning that the RagnarLocker ransomware gang has breached the networks of at least fifty-two...

Trellix Global Defenders: Analysis and Protections for BlackByte Ransomware

Trellix Global Defenders: Analysis and Protections for BlackByte Ransomware By Taylor Mullins · February 28, 2022 BlackByte Ransomware has been in the news of late due to a successful attack against a National Football League NFL Franchise and a Joint Cybersecurity Advisory by the Federal Bureau ...

Analysis and Protections for RagnarLocker Ransomware

Trellix Global Defenders: Analysis and Protections for RagnarLocker Ransomware By Taylor Mullins · February 28, 2022 The United States Federal Bureau of Investigation FBI has released a Flash Alert warning that the RagnarLocker ransomware gang has breached the networks of at least fifty-two...

Trellix Global Defenders: Analysis and Protections for BlackByte Ransomware

Trellix Global Defenders: Analysis and Protections for BlackByte Ransomware By Taylor Mullins · February 28, 2022 BlackByte Ransomware has been in the news of late due to a successful attack against a National Football League NFL Franchise and a Joint Cybersecurity Advisory by the Federal Bureau ...

Microsoft Exchange Server Bugs Exploited by ‘Cuba’ Ransomware Gang

The ransomware gang known as “Cuba” is increasingly shifting to exploiting Microsoft Exchange vulnerabilities – including ProxyShell and ProxyLogon – as initial infection vectors, researchers have found. The group has likely been prying open these chinks in victims’ armor as early as last August,...

CISA warns of cyberespionage by Iranian APT “MuddyWater”

Cybersecurity agencies in the US and UK have issued a joint cybersecurity advisory CSA on MuddyWater, a government-sponsored Iranian advanced persistent threat APT actor. The Cybersecurity and Infrastructure Security Agency CISA, the Federal Bureau of Investigation FBI, the US Cyber Command Cyber...

6 Cyber-Defense Steps to Take Now to Protect Your Company

The headlines feel like Groundhog Day, if each of Bill Murray’s repeated days grew increasingly threatening: Ransomware attacks rise again. Ransomware attacks up over last quarter. Ransomware attacks tower over previous year. You get the idea. And yet again, a new report from Ivanti sends a clear...

New "SockDetour" Fileless, Socketless Backdoor Targets U.S. Defense Contractors

Cybersecurity researchers have taken the wraps off a previously undocumented and stealthy custom malware called SockDetour that targeted U.S.-based defense contractors with the goal of being used as a secondary implant on compromised Windows hosts. "SockDetour is a backdoor that is designed to...

Iran's MuddyWater Hacker Group Using New Malware in Worldwide Cyber Attacks

Cybersecurity agencies from the U.K. and the U.S. have laid bare a new malware used by the Iranian government-sponsored advanced persistent threat APT group in attacks targeting government and commercial networks worldwide. "MuddyWater actors are positioned both to provide stolen data and accesse...

This Week in Security News - February 25, 2022

Recent cyberattacks increasingly target open-source web servers, and US officials tell businesses to watch for potential ransomware attacks after Biden announces Russia sanctions...

The Harsh Truths of Cybersecurity in 2022, Part Two

In part one of this series, I outlined some harsh truths of cybersecurity in 2022 and the first three of the top six steps you should take to ensure resiliency against today’s most pervasive threat—ransomware. Here, I’ll cover the remaining three: But first, let’s take a quick step back. It used ...

The Art of Non-boring Cybersec Training–Podcast

Log4j, ransomware, cloud vulnerabilities, phishing: Cyber threats are manifold. They all pale, however, in comparison to the security black holes that walk around on two legs. Studies have shown that nearly all successful breaches stem from human error, be it failure to install security patches...

TrickBot Gang Likely Shifting Operations to Switch to New Malware

TrickBot, the infamous Windows crimeware-as-a-service CaaS solution that's used by a variety of threat actors to deliver next-stage payloads like ransomware, appears to be undergoing a transition of sorts, with no new activity recorded since the start of the year. The lull in the malware campaign...

Warning — Deadbolt Ransomware Targeting ASUSTOR NAS Devices

ASUSTOR network-attached storage NAS devices have become the latest victim of Deadbolt ransomware, less than a month after similar attacks singled out QNAP NAS appliances. In response to the infections, the company has released firmware updates ADM 4.0.4.RQO2 to "fix related security issues." The...

Iranian Government-Sponsored Actors Conduct Cyber Operations Against Global Government and Commercial Networks

Summary Actions to Take Today to Protect Against Malicious Activity Search for indicators of compromise. Use antivirus software. Patch all systems. Prioritize patching known exploited vulnerabilities. Train users to recognize and report phishing attempts. Use multi-factor authentication. Note: th...

Creaky Old WannaCry, GandCrab Top the Ransomware Scene

What’s old in ransomware is new again. Or, more accurately, never really went away. New analysis shows that for a years-old malware, WannaCry is still a viciously active pest. The self-propagating ransomware cryptoworm that’s been parasitizing victims since 2017 was the top most detected ransomwa...

Hive ransomware: Researchers figure out a method to decrypt files

Files encrypted by ransomware cant be recovered without obtaining the decryption key, if the encryption has been done properly. But that doesnt seem to be the case for Hive ransomware. Researchers from the Kookmin University in Korea have published a method for decrypting the data scrambled by...

Dridex Malware Deploying Entropy Ransomware on Hacked Computers

Similarities have been unearthed between the Dridex general-purpose malware and a little-known ransomware strain called Entropy, suggesting that the operators are continuing to rebrand their extortion operations under a different name. "The similarities are in the software packer used to conceal...

Gaming, Banking Trojans Dominate Mobile Malware Scene

The number of cyberattacks launched against mobile users was down last year, researchers have found — but don’t pop the champagne just yet. The decline was offset by jacked-up, more sophisticated, more nimble mobile nastiness. In a Monday report, Kaspersky said that its researchers have observed ...