Topic: encryption techniques
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DeadLock ransomware uses blockchain to block takedown efforts
DeadLock ransomware, active since mid-2025, uses a double-extortion model and has listed 80 victims, mostly in Europe, across sectors like IT, mining, and manufacturing. Its key innovation is storing leak-site configs and victim posts on the Polygon blockchain, plus using the Session messaging ne...
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Secure Your Credentials: IT's Multi-System Strategy
IT teams must securely manage credentials across systems using a comprehensive approach that combines technology, policy, and training to address escalating cyber threats. Key security measures include strong authentication like multi-factor authentication, encryption for data protection, and con...
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CISA Alerts: Chinese "BrickStorm" Malware Targets VMware Servers
A sophisticated Chinese-linked malware campaign called "Brickstorm" is targeting VMware vSphere servers, using hidden virtual machines to steal credentials and compromise networks, as detailed by U.S. and Canadian cybersecurity agencies. The malware employs advanced evasion techniques like encryp...
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Microsoft Teams Phishing Attack Spreads A0Backdoor Malware
A sophisticated phishing campaign targets financial and healthcare employees by using Microsoft Teams to impersonate IT support, tricking users into granting remote access via Quick Assist to install malware. The attack deploys a novel backdoor called A0Backdoor through signed MSI installers that...
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Urgent Windows 0-Day and Critical Flaw Actively Exploited
Two critical Windows vulnerabilities are being actively exploited in widespread global attacks, including a zero-day flaw used since 2017 and another that Microsoft failed to patch in a recent update. The zero-day vulnerability (CVE-2025-9491) has been exploited by up to eleven advanced threat gr...
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Beware: Fake Windows Update Pushes Malware in ClickFix Attack
A deceptive cyberattack called ClickFix tricks users by mimicking a Windows security update, using a full-screen browser animation to install malware like LummaC2 and Rhadamanthys to steal sensitive information. The attack employs social engineering and steganography, hiding malware within a PNG ...
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