A New Wiper Malware Was Behind Recent Cyberattack On Iranian Train System

A cyber attack that derailed websites of Iran's transport ministry and its national railway system earlier this month, causing widespread disruptions in train services, was the result of a never-before-seen reusable wiper malware called "Meteor." The campaign — dubbed "MeteorExpress" — has not be...

Phony Call Centers Tricking Users Into Installing Ransomware and Data-Stealers

An ongoing malicious campaign that employs phony call centers has been found to trick victims into downloading malware capable of data exfiltration as well as deploying ransomware on infected systems. The attacks — dubbed "BazaCall" — eschew traditional social engineering techniques that rely on...

Hackers Exploit Microsoft Browser Bug to Deploy VBA Malware on Targeted PCs

An unidentified threat actor has been exploiting a now-patched zero-day flaw in Internet Explorer browser to deliver a fully-featured VBA-based remote access trojan RAT capable of accessing files stored in compromised Windows systems, and downloading and executing malicious payloads as part of an...

New Ransomware Gangs — Haron and BlackMatter — Emerge on Cybercrime Forums

Two new ransomware-as-service RaaS programs have appeared on the threat radar this month, with one group professing to be a successor to DarkSide and REvil, the two infamous ransomware syndicates that went off the grid following major attacks on Colonial Pipeline and Kaseya over the past few...

Best Practices to Thwart Business Email Compromise (BEC) Attacks

Business email compromise BEC refers to all types of email attacks that do not have payloads. Although there are numerous types, there are essentially two main mechanisms through which attackers penetrate organizations utilizing BEC techniques, spoofing and account take-over attacks. In a recent...

New Android Malware Uses VNC to Spy and Steal Passwords from Victims

A previously undocumented Android-based remote access trojan RAT has been found to use screen recording features to steal sensitive information on the device, including banking credentials, and open the door for on-device fraud. Dubbed "Vultur" due to its use of Virtual Network Computing VNC's...

Top 30 Critical Security Vulnerabilities Most Exploited by Hackers

Intelligence agencies in Australia, the U.K., and the U.S. issued a joint advisory on Wednesday detailing the most exploited vulnerabilities in 2020 and 2021, once again demonstrating how threat actors are able to swiftly weaponize publicly disclosed flaws to their advantage. "Cyber actors contin...

UBEL is the New Oscorp — Android Credential Stealing Malware Active in the Wild

An Android malware that was observed abusing accessibility services in the device to hijack user credentials from European banking applications has morphed into an entirely new botnet as part of a renewed campaign that began in May 2021. Italy's CERT-AGID, in late January, disclosed details about...

Chinese Hackers Implant PlugX Variant on Compromised MS Exchange Servers

A Chinese cyberespionage group known for targeting Southeast Asia leveraged flaws in the Microsoft Exchange Server that came to light earlier this March to deploy a previously undocumented variant of a remote access trojan RAT on compromised systems. Attributing the intrusions to a threat actor...

Hackers Posed as Aerobics Instructors for Years to Target Aerospace Employees

An Iranian cyberespionage group masqueraded as an aerobics instructor on Facebook in an attempt to infect the machine of an employee of an aerospace defense contractor with malware as part of a years-long social engineering and targeted malware campaign. Enterprise security firm Proofpoint...

New Bug Could Let Attackers Hijack Zimbra Server by Sending Malicious Email

Cybersecurity researchers have discovered multiple security vulnerabilities in Zimbra email collaboration software that could be potentially exploited to compromise email accounts by sending a malicious message and even achieve a full takeover of the mail server when hosted on a cloud...

Several Bugs Found in 3 Open-Source Software Used by Several Businesses

Cybersecurity researchers on Tuesday disclosed nine security vulnerabilities affecting three open-source projects — EspoCRM, Pimcore, and Akaunting — that are widely used by several small to medium businesses and, if successfully exploited, could provide a pathway to more sophisticated attacks. A...

Hackers Turning to 'Exotic' Programming Languages for Malware Development

Threat actors are increasingly shifting to "exotic" programming languages such as Go, Rust, Nim, and Dlang that can better circumvent conventional security protections, evade analysis, and hamper reverse engineering efforts. "Malware authors are known for their ability to adapt and modify their...

Apple Releases Urgent 0-Day Bug Patch for Mac, iPhone and iPad Devices

Apple on Monday rolled out an urgent security update for iOS, iPadOS, and macOS to address a zero-day flaw that it said may have been actively exploited, making it the thirteenth such vulnerability Apple has patched since the start of this year. The updates, which arrive less than a week after th...

BIMI: A Visual Take on Email Authentication and Security

There is a saying that goes something like, "Do not judge a book by its cover." Yet, we all know we can not help but do just that - especially when it comes to online security. Logos play a significant role in whether or not we open an email and how we assess the importance of each message. Brand...

How to Mitigate Microsoft Windows 10, 11 SeriousSAM Vulnerability

Microsoft Windows 10 and Windows 11 users are at risk of a new unpatched vulnerability that was recently disclosed publicly. As we reported last week, the vulnerability — SeriousSAM — allows attackers with low-level permissions to access Windows system files to perform a Pass-the-Hash and...

Microsoft Warns of LemonDuck Malware Targeting Windows and Linux Systems

An infamous cross-platform crypto-mining malware has continued to refine and improve upon its techniques to strike both Windows and Linux operating systems by setting its sights on older vulnerabilities, while simultaneously latching on to a variety of spreading mechanisms to maximize the...

New PetitPotam NTLM Relay Attack Lets Hackers Take Over Windows Domains

A newly uncovered security flaw in the Windows operating system can be exploited to coerce remote Windows servers, including Domain Controllers, to authenticate with a malicious destination, thereby allowing an adversary to stage an NTLM relay attack and completely take over a Windows domain. The...

Nasty macOS Malware XCSSET Now Targets Google Chrome, Telegram Software

A malware known for targeting macOS operating system has been updated once again to add more features to its toolset that allows it to amass and exfiltrate sensitive data stored in a variety of apps, including apps such as Google Chrome and Telegram, as part of further "refinements in its tactics...

Wake up! Identify API Vulnerabilities Proactively, From Production Back to Code

After more than 20 years in the making, now it's official: APIs are everywhere. In a 2021 survey, 73% of enterprises reported that they already publish more than 50 APIs, and this number is constantly growing. APIs have crucial roles to play in virtually every industry today, and their importance...

Dutch Police Arrest Two Hackers Tied to "Fraud Family" Cybercrime Ring

Law enforcement authorities in the Netherlands have arrested two alleged individuals belonging to a Dutch cybercriminal collective who were involved in developing, selling, and renting sophisticated phishing frameworks to other threat actors in what's known as a "Fraud-as-a-Service" operation. Th...

Kaseya Gets Universal Decryptor to Help REvil Ransomware Victims

Nearly three weeks after Florida-based software vendor Kaseya was hit by a widespread supply-chain ransomware attack, the company on Thursday said it obtained a universal decryptor to unlock systems and help customers recover their data. "On July 21, Kaseya obtained a decryptor for victims of the...

APT Hackers Distributed Android Trojan via Syrian e-Government Portal

An advanced persistent threat APT actor has been tracked in a new campaign deploying Android malware via the Syrian e-Government Web Portal, indicating an upgraded arsenal designed to compromise victims. "To the best of our knowledge, this is the first time that the group has been publicly observ...

Reduce End-User Password Change Frustrations

Organizations today must give attention to their cybersecurity posture, including policies, procedures, and technical solutions for cybersecurity challenges. This often results in a greater burden on the IT service desk staff as end-users encounter issues related to security software, policies, a...

Oracle Warns of Critical Remotely Exploitable Weblogic Server Flaws

Oracle on Tuesday released its quarterly Critical Patch Update for July 2021 with 342 fixes spanning across multiple products, some of which could be exploited by a remote attacker to take control of an affected system. Chief among them is CVE-2019-2729, a critical deserialization vulnerability v...

Another Hacker Arrested for 2020 Twitter Hack and Massive Bitcoin Scam

A U.K. citizen has been arrested in the Spanish town of Estepona over his alleged involvement in the July 2020 hack of Twitter, resulting in the compromise of 130 high-profile accounts. Joseph O'Connor, 22, has been charged with intentionally accessing a computer without authorization and obtaini...

Malicious NPM Package Caught Stealing Users' Saved Passwords From Browsers

A software package available from the official NPM repository has been revealed to be actually a front for a tool that's designed to steal saved passwords from the Chrome web browser. The package in question, named "nodejsnetserver" and downloaded over 1,283 times since February 2019, was last...

XLoader Windows InfoStealer Malware Now Upgraded to Attack macOS Systems

A popular malware known for stealing sensitive information from Windows machines has evolved into a new strain capable of also targeting Apple's macOS operating system. The upgraded malware, dubbed "XLoader," is a successor to another well-known Windows-based info stealer called Formbook that's...

Several New Critical Flaws Affect CODESYS Industrial Automation Software

Cybersecurity researchers on Wednesday disclosed multiple security vulnerabilities impacting CODESYS automation software and the WAGO programmable logic controller PLC platform that could be remotely exploited to take control of a company's cloud operational technology OT infrastructure. The flaw...

[eBook] A Guide to Stress-Free Cybersecurity for Lean IT Security Teams

Today's cybersecurity landscape is enough to make any security team concerned. The rapid evolution and increased danger of attack tactics have put even the largest corporations and governments at heightened risk. If the most elite security teams can't prevent these attacks from happening, what ca...

New Windows and Linux Flaws Give Attackers Highest System Privileges

Microsoft's Windows 10 and the upcoming Windows 11 versions have been found vulnerable to a new local privilege escalation vulnerability that permits users with low-level permissions access Windows system files, in turn, enabling them to unmask the operating system installation password and even...

16-Year-Old Security Bug Affects Millions of HP, Samsung, Xerox Printers

Details have emerged about a high severity security vulnerability affecting a software driver used in HP, Xerox, and Samsung printers that has remained undetected since 2005. Tracked as CVE-2021-3438 CVSS score: 8.8, the issue concerns a buffer overflow in a print driver installer package named...

This New Malware Hides Itself Among Windows Defender Exclusions to Evade Detection

Cybersecurity researchers on Tuesday lifted the lid on a previously undocumented malware strain dubbed "MosaicLoader" that singles out individuals searching for cracked software as part of a global campaign. "The attackers behind MosaicLoader created a piece of malware that can deliver any payloa...

US and Global Allies Accuse China of Massive Microsoft Exchange Attack

The U.S. government and its key allies, including the European Union, the U.K., and NATO, formally attributed the massive cyberattack against Microsoft Exchange email servers to state-sponsored hacking crews working affiliated with the People's Republic of China's Ministry of State Security MSS. ...

Researchers Warn of Linux Cryptojacking Attackers Operating from Romania

A threat group likely based in Romania and active since at least 2020 has been behind an active cryptojacking campaign targeting Linux-based machines with a previously undocumented SSH brute-forcer written in Golang. Dubbed "Diicot brute," the password cracking tool is alleged to be distributed v...

Turns Out That Low-Risk iOS Wi-Fi Naming Bug Can Hack iPhones Remotely

The Wi-Fi network name bug that was found to completely disable an iPhone's networking functionality had remote code execution capabilities and was silently fixed by Apple earlier this year, according to new research. The denial-of-service vulnerability, which came to light last month, stemmed fr...

Five Critical Password Security Rules Your Employees Are Ignoring

According to Keeper Security's Workplace Password Malpractice Report, many remote workers aren't following best practices for password security. Password security was a problem even before the advent of widespread remote work. So, what happened post-pandemic? Keeper Security's Workplace Password...

Researcher Uncovers Yet Another Unpatched Windows Printer Spooler Vulnerability

Merely days after Microsoft sounded the alarm on an unpatched security vulnerability in the Windows Print Spooler service, possibly yet another zero-day flaw in the same component has come to light, making it the fourth printer-related shortcoming to be discovered in recent weeks. "Microsoft...

New Leak Reveals Abuse of Pegasus Spyware to Target Journalists Globally

A sweeping probe into a data leak of more than 50,000 phone numbers has revealed an extensive misuse of Israeli company NSO Group's Pegasus "military-grade spyware" to facilitate human rights violations by surveilling heads of state, activists, journalists, and lawyers around the world. Dubbed th...

China's New Law Requires Vendors to Report Zero-Day Bugs to Government

The Cyberspace Administration of China CAC has issued new stricter vulnerability disclosure regulations that mandate software and networking vendors affected with critical flaws to mandatorily disclose them first-hand to the government authorities within two days of filing a report. The...

Instagram Launches 'Security Checkup' to Help Users Recover Hacked Accounts

Instagram earlier this week introduced a new "Security Checkup" feature that aims to keep accounts safe and help users—whose accounts may have been compromised—to recover them. In order to gain access to accounts, users will be prompted to perform a series of steps, which include checking recent...

CloudFlare CDNJS Bug Could Have Led to Widespread Supply-Chain Attacks

Web infrastructure and website security company Cloudflare last month fixed a critical vulnerability in its CDNJS library that's used by 12.7% of all websites on the internet. CDNJS is a free and open-source content delivery network CDN that serves about 4,041 JavaScript and CSS libraries, making...

Israeli Firm Helped Governments Target Journalists, Activists with 0-Days and Spyware

Two of the zero-day Windows flaws rectified by Microsoft as part of its Patch Tuesday update earlier this week were weaponized by an Israel-based company called Candiru in a series of "precision attacks" to hack more than 100 journalists, academics, activists, and political dissidents globally. T...

The Definitive RFP Templates for EDR/EPP and APT Protection

Advanced Persistent Threats groups were once considered a problem that concerns Fortune 100 companies only. However, the threat landscape of the recent years tells otherwise—in fact, every organization, regardless of vertical and size is at risk, whether as a direct target, supply chain or...

Facebook Suspends Accounts Used by Iranian Hackers to Target US Military Personnel

Facebook on Thursday disclosed it dismantled a "sophisticated" online cyber espionage campaign conducted by Iranian hackers targeting about 200 military personnel and companies in the defense and aerospace sectors in the U.S., U.K., and Europe using fake online personas on its platform. The socia...

Update Your Chrome Browser to Patch New Zero‑Day Bug Exploited in the Wild

Google has pushed out a new security update to Chrome browser for Windows, Mac, and Linux with multiple fixes, including a zero-day that it says is being exploited in the wild. The latest patch resolves a total of eight issues, one of which concerns a type confusion issue in its V8 open-source an...

Microsoft Warns of New Unpatched Windows Print Spooler Vulnerability

Microsoft on Thursday shared fresh guidance on yet another vulnerability affecting the Windows Print Spooler service, stating that it's working to address it in an upcoming security update. Tracked as CVE-2021-34481 CVSS score: 7.8, the issue concerns a local privilege escalation flaw that could ...

China's Cyberspies Targeting Southeast Asian Government Entities

A sweeping and "highly active campaign" that originally set its sights on Myanmar has broadened its focus to strike a number of targets located in the Philippines, according to new research. Russian cybersecurity firm Kaspersky, which first spotted the infections in October 2020, attributed them ...

New Zero-Trust API Offers Mobile Carrier Authentication to Developers

Zero Trust is increasingly being adopted as the best strategy to maintain application security and prevent data breaches. To help achieve progress on Zero Trust, there is now a new, easy way to implement continuous user verification by connecting directly to the authentication systems used by...

Ransomware Attacks Targeting Unpatched EOL SonicWall SMA 100 VPN Appliances

Networking equipment maker SonicWall is alerting customers of an "imminent" ransomware campaign targeting its Secure Mobile Access SMA 100 series and Secure Remote Access SRA products running unpatched and end-of-life 8.x firmware. The warning comes more than a month after reports emerged that...