Ransomware groups are using DNS tunneling more and more as a way to exfiltrate data and send commands to infected machines.
Researchers found nine flaws that highlight the weaknesses of DNS protocol implementations in TCP/IP network communication stacks.
The Public Interest Registry launched the DNS Abuse Institute to coordinate efforts by domain registrars and internet registries to stomp out abuses of the domain name system.
Adoption of DNS over HTTPS (DoH) continues to rise, but so do concerns about network visibility and centralization of DNS services.
DNS issues are bad news, and SigRed is among the worst: Microsoft fixes a flaw in Windows DNS Server which has a severity rating of 10 and is believed to be wormable.