Mustang Panda Deploys Updated COOLCLIENT Backdoor in Government Cyber Attacks

Threat actors with ties to China have been observed using an updated version of a backdoor called COOLCLIENT in cyber espionage attacks in 2025 to facilitate comprehensive data theft from infected endpoints. The activity has been attributed to Mustang Panda (aka Earth Preta, Fireant, HoneyMyte, Polaris, and Twill Typhoon) with the intrusions primarily directed against…

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Automated FortiGate Attacks Exploit FortiCloud SSO to Alter Firewall Configurations

Ravie LakshmananJan 22, 2026Network Security / Vulnerability Cybersecurity company Arctic Wolf has warned of a “new cluster of automated malicious activity” that involves unauthorized firewall configuration changes on Fortinet FortiGate devices. The activity, it said, commenced on January 15, 2026, adding it shares similarities with a December 2025 campaign in which malicious SSO logins on…

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Nigeria Arrests RaccoonO365 Phishing Developer Linked to Microsoft 365 Attacks

Dec 19, 2025Ravie LakshmananCybercrime / Law Enforcement Authorities in Nigeria have announced the arrest of three “high-profile internet fraud suspects” who are alleged to have been involved in phishing attacks targeting major corporations, including the main developer behind the RaccoonO365 phishing-as-a-service (PhaaS) scheme. The Nigeria Police Force National Cybercrime Centre (NPF–NCCC) said investigations conducted in…

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New UEFI Flaw Enables Early-Boot DMA Attacks on ASRock, ASUS, GIGABYTE, MSI Motherboards

Dec 19, 2025Ravie LakshmananFirmware Security / Vulnerability Certain motherboard models from vendors like ASRock, ASUSTeK Computer, GIGABYTE, and MSI are affected by a security vulnerability that leaves them susceptible to early-boot direct memory access (DMA) attacks across architectures that implement a Unified Extensible Firmware Interface (UEFI) and input–output memory management unit (IOMMU). UEFI and IOMMU…

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New ForumTroll Phishing Attacks Target Russian Scholars Using Fake eLibrary Emails

Dec 17, 2025Ravie LakshmananVulnerability / Malware The threat actor linked to Operation ForumTroll has been attributed to a fresh set of phishing attacks targeting individuals within Russia, according to Kaspersky. The Russian cybersecurity vendor said it detected the new activity in October 2025. The origins of the threat actor are presently unknown. “While the spring…

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Active Attacks Exploit Gladinet’s Hard-Coded Keys for Unauthorized Access and Code Execution

Huntress is warning of a new actively exploited vulnerability in Gladinet’s CentreStack and Triofox products stemming from the use of hard-coded cryptographic keys that have affected nine organizations so far. “Threat actors can potentially abuse this as a way to access the web.config file, opening the door for deserialization and remote code execution,” security researcher…

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RomCom Uses SocGholish Fake Update Attacks to Deliver Mythic Agent Malware

Nov 26, 2025Ravie LakshmananMalware / Cyber Espionage The threat actors behind a malware family known as RomCom targeted a U.S.-based civil engineering company via a JavaScript loader dubbed SocGholish to deliver the Mythic Agent. “This is the first time that a RomCom payload has been observed being distributed by SocGholish,” Arctic Wolf Labs researcher Jacob…

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Matrix Push C2 Uses Browser Notifications for Fileless, Cross-Platform Phishing Attacks

Bad actors are leveraging browser notifications as a vector for phishing attacks to distribute malicious links by means of a new command-and-control (C2) platform called Matrix Push C2. “This browser-native, fileless framework leverages push notifications, fake alerts, and link redirects to target victims across operating systems,” Blackfog researcher Brenda Robb said in a Thursday report….

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