Posts of last few hours

Cisco has disclosed three critical vulnerabilities in its Nexus 3000 and 9000 Series switches that could allow unauthenticated remote attackers to execute arbitrary code with root privileges. Successful exploitation could crash processes, trigger device reloads, and cause denial of service, disrupting network availability. Published on October 7, 2026, advisory cisco-sa-ngoam-rce-LWKQ4BU identifies three vulnerabilities: CVE-2026-76485, CVE-2026-76486, […]

The post Critical Cisco Nexus Switch Vulnerabilities Allow Unauthenticated Attackers to Execute Code as Root appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.

A financially motivated campaign that used agentic AI tools to breach South Korean financial organizations and exfiltrate data. Active from late September to early October 2026, the operation combined ARTEX, an open-source penetration testing platform developed in China, with multiple large language models. Researchers recovered exposed operational files that documented the attacker’s infrastructure, prompts, and […]

The post Financially Motivated Hacker Uses Agentic AI to Breach Multiple South Korean Finance Targets appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.

As advances lower the barrier to breaking current encryption, Washington must move with equal urgency on post-quantum defenses.

The post Quantum computers could break today’s encryption. Washington needs to prepare now. appeared first on CyberScoop.