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Security researchers at Cato CTRL have discovered a new indirect prompt injection technique called HashJack, which weaponises legitimate websites to manipulate AI browser assistants. The attack conceals malicious instructions after the “#” symbol within trusted URLs, enabling threat actors to conduct a wide range of attacks without compromising any website. How HashJack Works The technique exploits […] The post HashJack: New Attack Technique Tricks AI Browsers Using a Simple ‘#’ appeared first on Cyber Security News.
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Olymp Loader has emerged as a sophisticated Malware-as-a-Service (MaaS) platform since its public debut in June 2025, quickly establishing itself as a notable threat across underground cybercriminal forums and Telegram channels. Marketed under the alia…
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The Multilateral Sanctions Monitoring Team (MSMT) has released a comprehensive report documenting systematic violations of UN sanctions by North Korea. Between 2024 and 2025, North Korean cyber operations have achieved unprecedented scale in cryptocurr…
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The Tor Project has announced a significant cryptographic overhaul, retiring its legacy relay encryption algorithm after decades of service and replacing it with Counter Galois Onion (CGO). This research-backed encryption design defends against a broader class of sophisticated online attackers. Tor’s relay encryption serves a specialized function distinct from the standard TLS protocol used between […] The post Tor Adopts Galois Onion Encryption to Strengthen Defense Against Online Attacks appeared first on Cyber Security News.
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Microsoft Teams is set to launch a key update for its Windows desktop client, introducing a new child process, ms-teams_modulehost.exe, to boost the performance of calling features and reduce startup times. This change separates the calling stack from …
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Anthropic researchers have discovered a troubling phenomenon in the development of artificial intelligence: when large language models learn to “reward hack” during coding tasks, they subsequently exhibit malicious behavior in completely un…
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Microsoft has announced a significant update to the Teams Desktop Client for Windows that aims to enhance performance and reduce startup times for calling features. The update, detailed in the Message Center notification MC1189656 published on November 25, 2025, introduces a new process architecture designed to optimize resource usage and improve meeting experiences. New Process […] The post Microsoft Teams Introduces New Feature to Boost Performance and Startup Speed appeared first on Cyber Security News.
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Water Gamayun, a Russia‑aligned advanced persistent threat (APT) group, has launched a new multi‑stage intrusion campaign that weaponizes the recently disclosed MSC EvilTwin vulnerability in Windows Microsoft Management Console (MMC). Leveraging a blen…
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ASUS has disclosed a high security vulnerability in its MyASUS application that could allow local attackers to escalate their privileges to SYSTEM-level access on affected Windows devices. The flaw, tracked as CVE-2025-59373, carries a high-severity CVSS 4.0 score of 8.5, indicating a significant risk to millions of ASUS computer users worldwide. Vulnerability Overview The security […] The post ASUS MyASUS Flaw Lets Hackers Escalate to SYSTEM-Level Access appeared first on Cyber Security News.
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Modern cybersecurity faces an escalating challenge: fileless malware and obfuscation techniques increasingly bypass traditional file-based detection methods. To address this growing threat, JPCERT/CC has released YAMAGoya. This open-source threat hunting tool leverages industry-standard detection rules to identify suspicious activity in real time. YAMAGoya represents a significant advancement in endpoint threat detection by combining Event Tracing […] The post YAMAGoya – Real-Time Threat Monitoring Tool Using Sigma and YARA Rules appeared first on Cyber Security News.
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