Zmap


Scan of IPv4 Space for ‘Implanted’ Cisco Routers Finds Fewer Than 100

A day after researchers detailed a technique that attackers are using to upload malicious firmware images to Cisco routers, academic researchers say they have scanned the entire IPv4 address space and discovered a total of 79 likely compromised routers. The researchers at the University of Michigan used their Zmap tool, which can scan the Internet in about […]

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