Cisco fixes AsyncOS vulnerability exploited in zero-day attacks (CVE-2025-20393)
Cisco has finally shipped security updates for its Email Security Gateway and Secure Email and Web Manager devices, which fix CVE-2025-20393, a vulnerability in the …
Group Policy abuse reveals China-aligned espionage group targeting governments
ESET Research has identified a previously undocumented China-aligned advanced persistent threat group that uses Windows Group Policy to deploy malware and move through victim …
Cisco email security appliances rooted and backdoored via still unpatched zero-day
A suspected Chinese-nexus threat group has been compromising Cisco email security devices and planting backdoors and log-purging tools on them since at least late November …
Massive gambling network doubles as hidden C2 and anonymity infrastructure, researchers say
A sprawling network that’s seemingly maintained to serve (illegal) online gambling opportunities and deliver malware to Indonesian citizens is likely also being used to …
How a noisy ransomware intrusion exposed a long-term espionage foothold
Getting breached by two separate and likely unconnected cyber attack groups is a nightmare scenario for any organization, but can result in an unexpected silver lining: the …
Russia-linked hackers intensify attacks as global APT activity shifts
State-aligned hacking groups have spent the past six months ramping up espionage, sabotage, and cybercrime campaigns across multiple regions, according to ESET’s APT Activity …
Google uncovers malware using LLMs to operate and evade detection
PromptLock, the AI-powered proof-of-concept ransomware developed by researchers at NYU Tandon and initially mistaken for an active threat by ESET, is no longer an isolated …
Italian-made spyware Dante linked to Chrome zero-day exploitation campaign
CVE-2025-2783, a Chrome zero-day vulnerability that was detected being exploited in March 2025 and was subsequently fixed by Google, was used by unknown attackers to deliver …
China-linked Salt Typhoon hackers attempt to infiltrate European telco
Salt Typhoon, the China-linked APT group that has a penchant for targeting telecommunications companies, has been spotted trying to sneak into yet another one. The intrusion …
Legit tools, illicit uses: Velociraptor, Nezha turned against victims
Threat actors are using an increasing variety of commercial and open-source products to carry out their attacks: according to researchers, Velociraptor and Nezha are the …
Agentic AI coding assistant helped attacker breach, extort 17 distinct organizations
Cybercriminals have started “vibe hacking” with AI’s help, AI startup Anthropic has shared in a report released on Wednesday. An attacker used the agentic AI …
China-linked Murky Panda targets and moves laterally through cloud services
In its recently released 2025 Threat Hunting Report, Crowdstrike pointed out an interesting trend: a 136% surge in cloud intrusions. A good chunk of this surge is due to …
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