Tag: detection
-
Curly COMrades Hacker Group Deploys New Tools for Stealthy Remote Access on Compromised Windows 10 Systems
A sophisticated threat actor known as Curly COMrades has demonstrated advanced evasion capabilities by leveraging legitimate Windows virtualization features to establish covert, long-term access to victim networks. Operating to support Russian geopolitical interests, the group has deployed innovative tools and techniques that successfully bypass traditional endpoint detection and response (EDR) solutions. This investigation, conducted in…
-
Identitätsschutz in XDR und MDR – Identitäten sichern mit Sophos Identity Threat Detection and Responses
First seen on security-insider.de Jump to article: www.security-insider.de/identitaeten-sichern-mit-sophos-identity-threat-detection-and-responses-a-5c0051f873beef5d57691cc2a4e5ebe1/
-
Identitätsschutz in XDR und MDR – Identitäten sichern mit Sophos Identity Threat Detection and Responses
First seen on security-insider.de Jump to article: www.security-insider.de/identitaeten-sichern-mit-sophos-identity-threat-detection-and-responses-a-5c0051f873beef5d57691cc2a4e5ebe1/
-
SesameOp: New backdoor exploits OpenAI API for covert C2
Microsoft found a new backdoor, SesameOp, using the OpenAI Assistants API for stealthy command-and-control in hacked systems. Microsoft uncovered a new backdoor, named SesameOp, that abuses the OpenAI Assistants API for command-and-control, allowing covert communication within compromised systems. Microsoft Incident Response Detection and Response Team (DART) researchers discovered the backdoor in July 2025 while […]…
-
Bob Flores, Former CTO of the CIA, Joins Brinker
Delaware, United States, November 4th, 2025, CyberNewsWire Brinker, the narrative intelligence company dedicated to combating disinformation and influence campaigns, announced today that Bob Flores, former Chief Technology Officer of the U.S. Central Intelligence Agency, has joined its advisory board. His appointment strengthens Brinker’s mission to transform the fight against disinformation, moving from detection to real-time,…
-
Bob Flores, Former CTO of the CIA, Joins Brinker
Delaware, United States, November 4th, 2025, CyberNewsWire Brinker, the narrative intelligence company dedicated to combating disinformation and influence campaigns, announced today that Bob Flores, former Chief Technology Officer of the U.S. Central Intelligence Agency, has joined its advisory board. His appointment strengthens Brinker’s mission to transform the fight against disinformation, moving from detection to real-time,…
-
The Real Cost of Cryptojacking
Cryptojacking silently hijacks compute power, inflates cloud bills, and erodes performance. Beyond financial losses, it exposes deep security risks, damages reputation, and drains productivity”, making proactive detection and prevention essential for every organization. First seen on securityboulevard.com Jump to article: securityboulevard.com/2025/11/the-real-cost-of-cryptojacking/
-
Louvre delayed Windows security updates ahead of burglary
No updates for eight security applications: The newspaper also examined calls for tender and other public procurement documents issued by the musem in the years since the audits.Twenty years of technical debt weighed heavily on security at the Louvre, as it steadily accumulated systems for analogue video surveillance, digital video surveillance, intrusion detection, and access…
-
The Real Cost of Cryptojacking
Cryptojacking silently hijacks compute power, inflates cloud bills, and erodes performance. Beyond financial losses, it exposes deep security risks, damages reputation, and drains productivity”, making proactive detection and prevention essential for every organization. First seen on securityboulevard.com Jump to article: securityboulevard.com/2025/11/the-real-cost-of-cryptojacking/
-
Russian hackers abuse Hyper-V to hide malware in Linux VMs
The Russian hacker group Curly COMrades has been abusing Microsoft’s Hyper-V virtualization technology in Windows to bypass endpoint detection and response solutions by creating a hidden Alpine Linux-based virtual machine. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/russian-hackers-abuse-hyper-v-to-hide-malware-in-linux-vms/
-
New backdoor ‘SesameOp’ abuses OpenAI Assistants API for stealthy C2 operations
Lessons for defenders and platform providers: Microsoft clarified that OpenAI’s platform itself wasn’t breached or exploited; rather, its legitimate API functions were misused as a relay channel, highlighting a growing risk as generative AI becomes part of enterprise and development workflows. Attackers can now co-opt public AI endpoints to mask malicious intent, making detection significantly…
-
New backdoor ‘SesameOp’ abuses OpenAI Assistants API for stealthy C2 operations
Lessons for defenders and platform providers: Microsoft clarified that OpenAI’s platform itself wasn’t breached or exploited; rather, its legitimate API functions were misused as a relay channel, highlighting a growing risk as generative AI becomes part of enterprise and development workflows. Attackers can now co-opt public AI endpoints to mask malicious intent, making detection significantly…
-
New backdoor ‘SesameOp’ abuses OpenAI Assistants API for stealthy C2 operations
Lessons for defenders and platform providers: Microsoft clarified that OpenAI’s platform itself wasn’t breached or exploited; rather, its legitimate API functions were misused as a relay channel, highlighting a growing risk as generative AI becomes part of enterprise and development workflows. Attackers can now co-opt public AI endpoints to mask malicious intent, making detection significantly…
-
Ransomware-Bande missbraucht Microsoft-Zertifikate
Kontinuierlich offenstehende Hintertüren sind für Cyberkriminelle ein Freifahrtschein.Die Ransomware-Bande Rhysida ist speziell im Unternehmensumfeld berüchtigt. Nun scheint das kriminelle Hacker-Kollektiv neue Wege einschlagen zu wollen, wie ein Bericht des US-Sicherheitsanbieters Expel nahelegt. Demnach setzen die Cyberkriminellen in ihrer aktuellen Angriffskampagne initial auf Malvertising. Die maliziösen Anzeigen laufen über die Microsoft-Suchmaschine Bing und führen auf Fake-Download-Seiten…
-
Ransomware-Bande missbraucht Microsoft-Zertifikate
Kontinuierlich offenstehende Hintertüren sind für Cyberkriminelle ein Freifahrtschein.Die Ransomware-Bande Rhysida ist speziell im Unternehmensumfeld berüchtigt. Nun scheint das kriminelle Hacker-Kollektiv neue Wege einschlagen zu wollen, wie ein Bericht des US-Sicherheitsanbieters Expel nahelegt. Demnach setzen die Cyberkriminellen in ihrer aktuellen Angriffskampagne initial auf Malvertising. Die maliziösen Anzeigen laufen über die Microsoft-Suchmaschine Bing und führen auf Fake-Download-Seiten…
-
Ransomware-Bande missbraucht Microsoft-Zertifikate
Kontinuierlich offenstehende Hintertüren sind für Cyberkriminelle ein Freifahrtschein.Die Ransomware-Bande Rhysida ist speziell im Unternehmensumfeld berüchtigt. Nun scheint das kriminelle Hacker-Kollektiv neue Wege einschlagen zu wollen, wie ein Bericht des US-Sicherheitsanbieters Expel nahelegt. Demnach setzen die Cyberkriminellen in ihrer aktuellen Angriffskampagne initial auf Malvertising. Die maliziösen Anzeigen laufen über die Microsoft-Suchmaschine Bing und führen auf Fake-Download-Seiten…
-
SesameOp: Using the OpenAI Assistants API for Covert C2 Communication
Microsoft’s Detection and Response Team has exposed a sophisticated backdoor malware that exploits the OpenAI Assistants API as an unconventional command-and-control communication channel. Named SesameOp, this threat demonstrates how adversaries are rapidly adapting to leverage legitimate cloud services for malicious purposes, making detection significantly more challenging for security teams. The discovery highlights the evolving tactics…
-
NDSS 2025 Statically Discover Cross-Entry Use-After-Free Vulnerabilities In The Linux Kernel
SESSION Session 1D: System-Level Security Authors, Creators & Presenters: Hang Zhang (Indiana University Bloomington), Jangha Kim (The Affiliated Institute of ETRI, ROK), Chuhong Yuan (Georgia Institute of Technology), Zhiyun Qian (University of California, Riverside), Taesoo Kim (Georgia Institute of Technology) PAPER Statically Discover Cross-Entry Use-After-Free Vulnerabilities in the Linux Kernel Use-After-Free (UAF) is one of…
-
NDSS 2025 Statically Discover Cross-Entry Use-After-Free Vulnerabilities In The Linux Kernel
SESSION Session 1D: System-Level Security Authors, Creators & Presenters: Hang Zhang (Indiana University Bloomington), Jangha Kim (The Affiliated Institute of ETRI, ROK), Chuhong Yuan (Georgia Institute of Technology), Zhiyun Qian (University of California, Riverside), Taesoo Kim (Georgia Institute of Technology) PAPER Statically Discover Cross-Entry Use-After-Free Vulnerabilities in the Linux Kernel Use-After-Free (UAF) is one of…
-
Security leaders say AI can help with governance, threat detection, SOC automation
Executives and technical leaders differ on AI priorities, according to a report from Amazon. First seen on cybersecuritydive.com Jump to article: www.cybersecuritydive.com/news/amazon-ai-security-cloud-migration-report/804502/
-
The Evolution of SOC Operations: How Continuous Exposure Management Transforms Security Operations
Security Operations Centers (SOC) today are overwhelmed. Analysts handle thousands of alerts every day, spending much time chasing false positives and adjusting detection rules reactively. SOCs often lack the environmental context and relevant threat intelligence needed to quickly verify which alerts are truly malicious. As a result, analysts spend excessive time manually triaging alerts, the…
-
Rhysida ransomware exploits Microsoft certificate to slip malware past defenses
Identifying forensic signals: The campaigns that leverage trusted certificates undermine the trust model enterprises rely on. Signed malware bypasses app-allow lists, browser warnings, OS checks, and antivirus assumptions about signed code. When the file poses as Teams or PuTTY, employees don’t hesitate to download it as it looks normal.”Once inside, the malware runs with fewer…
-
Rhysida ransomware exploits Microsoft certificate to slip malware past defenses
Identifying forensic signals: The campaigns that leverage trusted certificates undermine the trust model enterprises rely on. Signed malware bypasses app-allow lists, browser warnings, OS checks, and antivirus assumptions about signed code. When the file poses as Teams or PuTTY, employees don’t hesitate to download it as it looks normal.”Once inside, the malware runs with fewer…