FBI takes down one of the longest-running DDoS-for-hire services
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CSO Online
A deep dive into China’s Volt Typhoon suggests it is preparing for an assault on infrastructure
In a deep dive into the Silent Train attack tactic used by China’s Volt Typhoon cybercrime group, Lumen’s Black Lotus Labs highlighted evidence of efforts to pre-position access within what it described as “strategic communications, critical infrastructure and other ecosystems that become essential during geopolitical tensions or crises.” The report, released on Wednesday, said that Silent Train is built around “rapi…
CSO Online
New Cisco firewall zero-day being actively exploited
A high-severity flaw in the Remote Access SSL VPN service of Cisco Secure Firewall Adaptive Security Appliance (ASA) and Cisco Secure Firewall Threat Defense (FTD) is under active exploitation to crash vulnerable devices. The vulnerability, tracked as CVE-2026-76418 and rated 8.6 in severity, is due to logic errors when secondary authentication is configured on a tunnel group, Cisco said in its advisory. It could all…
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Chinese hackers used VMware ESX zero-day; PHP2Shell and Fragnesia chained to root firewalls
China-nexus threat actors have exploited a VMware ESX zero-day to hide their tracks and chained PHP2Shell flaws with the “Fragnesia” Linux kernel bug to root servers and firewalls, cybersecurity researchers claim. Cisco has also confirmed that attackers are crashing its firewalls with a newly disclosed vulnerability. VMware ESX zero-day helped Chinese spies cover their tracks Chinese APT group Warp Panda has leverage…
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Yoba malware hides in fake desktop versions of ChatGPT and Claude
Fake GitHub projects posing as desktop versions of ChatGPT and Claude have been used to spread a malware chain that ends with a cryptocurrency miner, Check Point has found. The researchers have been tracking the campaign, dubbed Yoba, for the past two months. Its operator set up repositories and GitHub.io pages for supposed apps called GPT-5.6 Sol, GPT-6 Astra and Claude Opus, and hosted the malware as ZIP releases o…