DNS Debugging; MSFT Zero Trust DNS; MSFT Graph API Abuse DNS Debugging with nslookup https://isc.sans.edu/diary/nslookups+Debug+Options/30894/ Microsoft Plans DNS Lockdown https://techcommunity.microsoft.com/t5/networking-blog/announcing-zero-trust-dns-private-preview/ba-p/4110366 Microsoft Graph API Abuse https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/graph-api-threats SANSFIRE SEC522 Defending Web Applications https://www.sans.org/cyber-security-training-events/sansfire-2024/ keywords: microsoft; graph; api; dns; zero trust; ztdns; nslookup;