Source: Ars Technica | By DAN GOODIN Company advisories further corroborate authenticity of mysterious Shadow Brokers leak. Cisco Systems has confirmed that recently-leaked malware tied to the National Security Agency exploited a high-severity vulnerability that had gone undetected for years in every supported version of the company’s Adaptive Security Appliance firewall. FURTHER READING Confirmed: hacking tool … Continue reading Cisco confirms NSA-linked zeroday targeted its firewalls for years