DNS
On the other hand, Infoblox wrote that DNS security can “substantially protect” remote workers. Threat actors heavily utilized DNS [domain name system] attacks last year. A study by EfficientIP and IDC found that 79% of organizations faced a DNS attack last year.
“Often, one of the earliest steps in the execution of a threat actor’s attack chain is the use of DNS to reach out to malicious domains and establish C&C [command and control] communications,” the Infoblox report said.