Security practitioners for decades have advised people to limit DNS queries against their DNS servers to only use UDP port 53. The reality is that DNS queries can also use TCP port 53 if UDP port 53 ...
Security experts at Cisco Talos have released a report detailing what it calls the “first known case of a domain name registry organization that was compromised for cyber espionage operations.” Talos ...
“Had the attackers wanted to take down the DNS portion of the internet, they could have done so,” said Talos' Craig Williams. Cisco Talos researchers say a nation state is likely behind a new ...
Network managers can put DNS, DHCP, IP address management, and other core network services on blades in Cisco routers deployed at branch office locations Enterprise IT executives looking to cut costs ...
Researchers have discovered a new version of the DNS Messenger attack which masquerades as the US Securities and Exchange Commission (SEC) and hosts malware on compromised government servers. On ...
LinkedIn was only one of thousands of websites that went down on Wednesday due to issues with its domain name system (DNS) servers, according to Cisco. Although ...