DNS Security is generally perceived as securing DNS architecture and infrastructure from various attack vectors. There are far more security controls, intelligence and benefits that can be obtained from DNS which can be used by the good guys to their advantage. Humayun Wahab, a product marketing manager at Bluecat Networks, lists the various advantages of internal and external DNS to the enterprises that can proactively mitigate known and unknown threats. See larger image: DNS Security is a core infrastructure component that is often overlooked when thinking about security.”]
Source: https://www.csoonline.com/article/3131374/how-can-good-guys-take-advantage-of-dns.html