endpoint security | Breaking Cybersecurity News | The Hacker News

As SaaS and cloud-native work reshape the enterprise, the web browser has emerged as the new endpoint. However, unlike endpoints, browsers remain mostly unmonitored, despite being responsible for more than 70% of modern malware attacks . Keep Aware's recent State of Browser Security report highlights major concerns security leaders face with employees using the web browser for most of their work. The reality is that traditional security tools are blind to what happens within the browser , and attackers know it. Key Findings: 70% of phishing campaigns impersonate Microsoft, OneDrive, or Office 365 to exploit user trust. 150+ trusted platforms like Google Docs and Dropbox are being abused to host phishing and exfiltrate data. 10% of AI prompts involve sensitive business content, posing risks across thousands of browser-based AI tools. 34% of file uploads on company devices go to personal accounts, often undetected. New Attack Patterns Bypass Traditional Defenses From phis...

The problem is simple: all breaches start with initial access, and initial access comes down to two primary attack vectors – credentials and devices. This is not news; every report you can find on the threat landscape depicts the same picture.  The solution is more complex. For this article, we'll focus on the device threat vector. The risk they pose is significant, which is why device management tools like Mobile Device Management (MDM) and Endpoint Detection and Response (EDR) are essential components of an organization's security infrastructure. However, relying solely on these tools to manage device risk actually creates a false sense of security. Instead of the blunt tools of device management, organizations are looking for solutions that deliver device trust . Device trust provides a comprehensive, risk-based approach to device security enforcement, closing the large gaps left behind by traditional device management solutions. Here are 5 of those limitations and how to ov...

A recently disclosed security flaw in Gladinet CentreStack also impacts its Triofox remote access and collaboration solution, according to Huntress, with seven different organizations compromised to date. Tracked as CVE-2025-30406 (CVSS score: 9.0), the vulnerability refers to the use of a hard-coded cryptographic key that could expose internet-accessible servers to remote code execution attacks. It has been addressed in CentreStack version 16.4.10315.56368 released on April 3, 2025. The vulnerability is said to have been exploited as a zero-day in March 2025, although the exact nature of the attacks is unknown. Now, according to Huntress, the weakness also affects Gladinet Triofox up to version 16.4.10317.56372. "By default, previous versions of the Triofox software have the same hardcoded cryptographic keys in their configuration file, and can be easily abused for remote code execution," John Hammond, principal cybersecurity researcher at Huntress, said in a report...

Cybersecurity researchers are calling attention to a new sophisticated malware called CoffeeLoader that's designed to download and execute secondary payloads. The malware, according to Zscaler ThreatLabz, shares behavioral similarities with another known malware loader known as SmokeLoader .  "The purpose of the malware is to download and execute second-stage payloads while evading detection by endpoint-based security products," Brett Stone-Gross, senior director of threat intelligence at Zscaler, said in a technical write-up published this week. "The malware uses numerous techniques to bypass security solutions, including a specialized packer that utilizes the GPU, call stack spoofing, sleep obfuscation, and the use of Windows fibers." CoffeeLoader, which originated around September 2024, leverages a domain generation algorithm (DGA) as a fallback mechanism in case the primary command-and-control (C2) channels become unreachable. Central to the malwar...

A new analysis has uncovered connections between affiliates of RansomHub and other ransomware groups like Medusa , BianLian , and Play . The connection stems from the use of a custom tool that's designed to disable endpoint detection and response (EDR) software on compromised hosts, according to ESET. The EDR killing tool, dubbed EDRKillShifter , was first documented as used by RansomHub actors in August 2024. EDRKillShifter accomplishes its goals by means of a known tactic called Bring Your Own Vulnerable Driver (BYOVD) that involves using a legitimate but vulnerable driver to terminate security solutions protecting the endpoints. The idea behind using such tools is to ensure the smooth execution of the ransomware encryptor without it being flagged by security solutions. "During an intrusion, the goal of the affiliate is to obtain admin or domain admin privileges," ESET researchers Jakub Souček and Jan Holman said in a report shared with The Hacker News. "...

The Russian-speaking hacking group called RedCurl has been linked to a ransomware campaign for the first time, marking a departure in the threat actor's tradecraft. The activity, observed by Romanian cybersecurity company Bitdefender, involves the deployment of a never-before-seen ransomware strain dubbed QWCrypt. RedCurl , also called Earth Kapre and Red Wolf, has a history of orchestrating corporate espionage attacks aimed at various entities in Canada, Germany, Norway, Russia, Slovenia, Ukraine, the United Kingdom, and the United States. It's known to be active since at least November 2018. Attack chains documented by Group-IB in 2020 entailed the use of spear-phishing emails bearing Human Resources (HR)-themed lures to activate the malware deployment process. Earlier this January, Huntress detailed attacks mounted by the threat actor targeting several organizations in Canada to deploy a loader dubbed RedLoader with "simple backdoor capabilities." Then l...

USB drive attacks constitute a significant cybersecurity risk, taking advantage of the everyday use of USB devices to deliver malware and circumvent traditional network security measures. These attacks lead to data breaches, financial losses, and operational disruptions, with lasting impacts on an organization's reputation. An example is the Stuxnet worm discovered in 2010, a malware designed to target industrial control systems, specifically Iran's nuclear enrichment facilities. It exploited multiple zero-day vulnerabilities and spread primarily through USB drives, making it one of the first examples of a cyberattack with real-world physical effects. Stuxnet exposed the risks of removable media and raised global awareness of cybersecurity threats to critical infrastructure. How USB drive attacks propagate Attackers use various methods to deliver malicious payloads via USB drives, targeting individuals and organizations.  Drop attacks : Infected USB drives are deliberatel...

Remote Desktop Protocol (RDP) is an amazing technology developed by Microsoft that lets you access and control another computer over a network. It's like having your office computer with you wherever you go. For businesses, this means IT staff can manage systems remotely, and employees can work from home or anywhere, making RDP a true game-changer in today's work environment. But here's the catch: because RDP is accessible over the internet, it's also a prime target for unethical hackers. If someone gains unauthorized access, they could potentially take over your system. That's why it's so important to secure RDP properly. Why IT Teams Depend on RDP, Despite the Risks More than 50 percent of Kaseya's small and medium-sized businesses (SMBs) and Managed Service Providers (MSPs) customers use RDP for daily operations due to its efficiency and flexibility: Reduces Costs and Downtime – IT teams can resolve technical issues remotely, eliminating travel expenses and delays. Supports B...

Universities and government organizations in North America and Asia have been targeted by a previously undocumented Linux malware called Auto-Color between November and December 2024, according to new findings from Palo Alto Networks Unit 42. "Once installed, Auto-color allows threat actors full remote access to compromised machines, making it very difficult to remove without specialized software," security researcher Alex Armstrong said in a technical write-up of the malware. Auto-color is so named based on the file name the initial payload renames itself post installation. It's currently not known how it reaches its targets, but what's known is that it requires the victim to explicitly run it on their Linux machine. A notable aspect of the malware is the arsenal of tricks it employs to evade detection. This includes using seemingly-innocuous file names like door or egg, concealing command-and-control (C2) connections, and leveraging proprietary encryption algo...

Cybersecurity researchers are warning of a new campaign that leverages cracked versions of software as a lure to distribute information stealers like Lumma and ACR Stealer. The AhnLab Security Intelligence Center (ASEC) said it has observed a spike in the distribution volume of ACR Stealer since January 2025. A notable aspect of the stealer malware is the use of a technique called dead drop resolver to extract the actual command-and-control (C2) server. This includes relying on legitimate services like Steam, Telegram's Telegraph, Google Forms, and Google Slides. "Threat actors enter the actual C2 domain in Base64 encoding on a specific page," ASEC said . "The malware accesses this page, parses the string, and obtains the actual C2 domain address to perform malicious behaviors." ACR Stealer, previously distributed via Hijack Loader malware, is capable of harvesting a wide range of information from compromised systems, including files, web browser data, ...

Ransomware doesn't hit all at once—it slowly floods your defenses in stages. Like a ship subsumed with water, the attack starts quietly, below the surface, with subtle warning signs that are easy to miss. By the time encryption starts, it's too late to stop the flood.  Each stage of a ransomware attack offers a small window to detect and stop the threat before it's too late. The problem is most organizations aren't monitoring for early warning signs - allowing attackers to quietly disable backups, escalate privileges, and evade detection until encryption locks everything down. By the time the ransomware note appears, your opportunities are gone.  Let's unpack the stages of a ransomware attack, how to stay resilient amidst constantly morphing indicators of compromise (IOCs), and why constant validation of your defense is a must to stay resilient. The Three Stages of a Ransomware Attack - and How to Detect It Ransomware attacks don't happen instantly. Attackers follow a st...