Our Blog
“Welcome to the CISTCK Group Cybersecurity Blog! Dive into the dynamic world of cybersecurity with our expert insights, thought-provoking articles, and the latest developments in the field. Our blog is your go-to resource for staying ahead in the ever-evolving landscape of cyber threats. Explore topics ranging from threat intelligence and risk management to industry best practices and emerging technologies. Whether you’re a cybersecurity professional, IT enthusiast, or simply interested in safeguarding digital landscapes, join us on a journey of knowledge-sharing and discover actionable strategies to fortify your defenses. Stay informed, stay secure with the CISTCK Group Cybersecurity Blog.”
New Linux Malware ‘sedexp’ Hides Credit Card Skimmers Using Udev Rules
Cybersecurity researchers have uncovered a new stealthy piece of Linux malware that leverages an unconventional technique to achieve persistence on infected systems and hide credit card skimmer code. The malware, attributed to a financially motivated threat actor, has...
CISA Urges Federal Agencies to Patch Versa Director Vulnerability by September
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has placed a security flaw impacting Versa Director to its Known Exploited Vulnerabilities (KEV) catalog based on evidence of active exploitation. The medium-severity vulnerability, tracked as...
Meta Exposes Iranian Hacker Group Targeting Global Political Figures on WhatsApp
Meta Platforms on Friday became the latest company after Microsoft, Google, and OpenAI to expose the activities of an Iranian state-sponsored threat actor, who it said used a set of WhatsApp accounts that attempted to target individuals in Israel, Palestine, Iran, the...
New PEAKLIGHT Dropper Deployed in Attacks Targeting Windows with Malicious Movie Downloads
Cybersecurity researchers have uncovered a never-before-seen dropper that serves as a conduit to launch next-stage malware with the ultimate goal of infecting Windows systems with information stealers and loaders. "This memory-only dropper decrypts and executes a...
Webinar: Experience the Power of a Must-Have All-in-One Cybersecurity Platform
Let's be honest. The world of cybersecurity feels like a constant war zone. You're bombarded by threats, scrambling to keep up with patches, and drowning in an endless flood of alerts. It's exhausting, isn’t it? But what if there was a better way? Imagine having every...
Focus on What Matters Most: Exposure Management and Your Attack Surface
Read the full article for key points from Intruder’s VP of Product, Andy Hornegold’s recent talk on exposure management. If you’d like to hear Andy’s insights first-hand, watch Intruder’s on-demand webinar. To learn more about reducing your attack surface, reach out...
New Qilin Ransomware Attack Uses VPN Credentials, Steals Chrome Data
The threat actors behind a recently observed Qilin ransomware attack have stolen credentials stored in Google Chrome browsers on a small set of compromised endpoints. The use of credential harvesting in connection with a ransomware infection marks an unusual twist,...
New macOS Malware “Cthulhu Stealer” Targets Apple Users’ Data
Cybersecurity researchers have uncovered a new information stealer that's designed to target Apple macOS hosts and harvest a wide range of information, underscoring how threat actors are increasingly setting their sights on the operating system. Dubbed Cthulhu...
Latvian Hacker Extradited to U.S. for Role in Karakurt Cybercrime Group
A 33-year-old Latvian national living in Moscow, Russia, has been charged in the U.S. for allegedly stealing data, extorting victims, and laundering ransom payments since August 2021. Deniss Zolotarjovs (aka Sforza_cesarini) has been charged with conspiring to commit...
Hardware Backdoor Discovered in RFID Cards Used in Hotels and Offices Worldwide
Cybersecurity researchers have uncovered a hardware backdoor within a particular model of MIFARE Classic contactless cards that could allow authentication with an unknown key and open hotel rooms and office doors. The attacks have been demonstrated against FM11RF08S,...