Cisco Issues Warning, Fix After Hacking Linked to NSA Operation

American firewall providers Cisco and Fortinet have issued warnings and fixes for bugs exposed by the Shadow Brokers, who claimed to have breached the Equation Group, believed to be an NSA operation. Cisco and Fortinet had initially determined there was little of concern in the leak, but after researchers showed how the respective technologies could be exploited, the tech firms have taken action to protect customers.