https://blog.safedns.com/why-ngfws-cant-detect-stealth-dns-attacks-and-how-to-close-the-gap/
Why NGFWs Can’t Detect Stealth DNS Attacks (and How to Close the Gap)
Next-Generation Firewalls (NGFWs) are a cornerstone of enterprise network security, offering advanced features like deep packet inspection, intrusion...
detect stealthdnsattacks
https://interestingengineering.com/military/chinas-drone-mounted-quantum-submarine-detector
China unveils new quantum drone tech to detect stealth US submarines
china unveilsnew quantumdrone