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“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.”
Meta to Shut Down Instagram End-to-End Encrypted Chat Support Starting May 2026
Meta has announced plans to discontinue support for end-to-end encryption (E2EE) for chats on Instagram after May 8, 2026. "If you have chats that are impacted by this change, you will see instructions on how you can download any media or messages you may want to...
INTERPOL Dismantles 45,000 Malicious IPs, Arrests 94 in Global Cybercrime
INTERPOL on Friday announced the takedown of 45,000 malicious IP addresses and servers used in connection with phishing, malware, and ransomware campaigns, as part of the agency's ongoing efforts to dismantle criminal networks, disrupt emerging threats, and safeguard...
Storm-2561 Spreads Trojan VPN Clients via SEO Poisoning to Steal Credentials
Microsoft has disclosed details of a credential theft campaign that employs fake virtual private network (VPN) clients distributed through search engine optimization (SEO) poisoning techniques. "The campaign redirects users searching for legitimate enterprise software...
Investigating a New Click-Fix Variant
Disclaimer: This report has been prepared by the Threat Research Center to enhance cybersecurity awareness and support the strengthening of defense capabilities. It is based on independent research and observations of the current threat landscape available at the time...
Google Fixes Two Chrome Zero-Days Exploited in the Wild Affecting Skia and V8
Google on Thursday released security updates for its Chrome web browser to address two high-severity vulnerabilities that it said have been exploited in the wild. The list of vulnerabilities is as follows - CVE-2026-3909 (CVSS score: 8.8) - An out-of-bounds write...
Nine CrackArmor Flaws in Linux AppArmor Enable Root Escalation, Bypass Container Isolation
Cybersecurity researchers have disclosed multiple security vulnerabilities within the Linux kernel's AppArmor module that could be exploited by unprivileged users to circumvent kernel protections, escalate to root, and undermine container isolation guarantees. The...
Authorities Disrupt SocksEscort Proxy Botnet Exploiting 369,000 IPs Across 163 Countries
A court-authorized international law enforcement operation has dismantled a criminal proxy service named SocksEscort that enslaved thousands of residential routers worldwide into a botnet for committing large-scale fraud. "SocksEscort infected home and small business...
Veeam Patches 7 Critical Backup & Replication Flaws Allowing Remote Code Execution
Veeam has released security updates to address multiple critical vulnerabilities in its Backup & Replication software that, if successfully exploited, could result in remote code execution. The vulnerabilities are as follows - CVE-2026-21666 (CVSS score: 9.9) - A...
Rust-Based VENON Malware Targets 33 Brazilian Banks with Credential-Stealing Overlays
Cybersecurity researchers have disclosed details of a new banking malware targeting Brazilian users that's written in Rust, marking a significant departure from other known Delphi-based malware families associated with the Latin American cybercrime ecosystem. The...
Hive0163 Uses AI-Assisted Slopoly Malware for Persistent Access in Ransomware Attacks
Cybersecurity researchers have disclosed details of a suspected artificial intelligence (AI)-generated malware codenamed Slopoly put to use by a financially motivated threat actor named Hive0163. "Although still relatively unspectacular, AI-generated malware such as...