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New macOS XCSSET Variant Targets Firefox with Clipper and Persistence Module

New macOS XCSSET Variant Targets Firefox with Clipper and Persistence Module

Sep 26, 2025Ravie LakshmananMalware / Browser Security Cybersecurity researchers have discovered an updated version of a known Apple macOS malware called XCSSET that has been observed in limited attacks. “This new variant of XCSSET brings… 

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Cisco ASA Firewall Zero-Day Exploits Deploy RayInitiator and LINE VIPER Malware

Cisco ASA Firewall Zero-Day Exploits Deploy RayInitiator and LINE VIPER Malware

The U.K. National Cyber Security Centre (NCSC) has revealed that threat actors have exploited the recently disclosed security flaws impacting Cisco firewalls as part of zero-day attacks to deliver previously undocumented malware families like RayInitiator… 

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Cisco ASA Zero-Day Duo Under Attack; CISA Triggers Emergency Mitigation Directive

Cisco ASA Zero-Day Duo Under Attack; CISA Triggers Emergency Mitigation Directive

Sep 25, 2025Ravie LakshmananZero-Day / Vulnerability Cisco is urging customers to patch two security flaws impacting the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense… 

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Vane Viper Generates 1 Trillion DNS Queries to Power Global Malware and Ad Fraud Network

Vane Viper Generates 1 Trillion DNS Queries to Power Global Malware and Ad Fraud Network

Sep 25, 2025Ravie LakshmananMalvertising / Threat Intelligence The threat actor known as Vane Viper has been outed as a purveyor of malicious ad technology (adtech), while relying on a tangled web of shell companies and… 

Read More »Vane Viper Generates 1 Trillion DNS Queries to Power Global Malware and Ad Fraud Network