China-linked Amaranth-Dragon hackers target Southeast Asian governments in 2025

China-linked hackers tracked as Amaranth-Dragon targeted government and law enforcement agencies across Southeast Asia in 2025. CheckPoint says China-linked threat actors, tracked as Amaranth-Dragon, carried out cyber-espionage campaigns in 2025 targeting government and law enforcement agencies across Southeast Asia. The activity is linked to the APT41 ecosystem and affected countries including Thailand, Indonesia, Singapore, and […]

CVE-2025-22225 in VMware ESXi now used in active ransomware attacks

Ransomware groups now exploit VMware ESXi vulnerability CVE-2025-22225, patched by Broadcom in March 2025. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) confirms that ransomware gangs are exploiting the VMware ESXi sandbox escape flaw CVE-2025-22225. The vulnerability is an arbitrary write issue in VMware ESXi. An attackers with privileges within the VMX process may trigger an arbitrary […]

Microsoft: Info-Stealing malware expands from Windows to macOS

Microsoft warns info-stealing attacks are expanding from Windows to macOS, using cross-platform languages like Python and abusing trusted platforms. Microsoft warns info-stealing attacks are rapidly expanding from Windows to macOS, using cross-platform languages like Python and abusing trusted platforms. Since late 2025, Microsoft has seen a surge in macOS infostealer attacks using social engineering, fake […]

APT28 exploits Microsoft Office flaw in Operation Neusploit

Russia-linked APT28 is behind Operation Neusploit, exploiting a newly disclosed Microsoft Office vulnerability in targeted attacks. Russia-linked group APT28 (aka UAC-0001, aka Fancy Bear, Pawn Storm, Sofacy Group, Sednit, BlueDelta, and STRONTIUM) is behind Operation Neusploit, a campaign that exploits a newly disclosed Microsoft Office vulnerability. The APT28 group has been active since at least 2007 and it has targeted governments, militaries, and security organizations […]

Notepad++ infrastructure hack likely tied to China-nexus APT Lotus Blossom

Rapid7 researchers say the Notepad++ hosting breach is likely linked to the China-nexus Lotus Blossom APT group. Recently, the Notepad++ maintainer revealed that nation-state hackers compromised the hosting provider’s infrastructure, redirecting update traffic to malicious servers. The attack did not exploit flaws in Notepad++ code but intercepted updates before they reached users. “According to the […]