ReliaQuest researchers disclosed on June 5, 2026, that a newly tracked threat cluster called OP-512 is targeting Microsoft Internet Information Services servers with a custom three-part web shell framework, and they assess with moderate to high confidence that the espionage activity is linked to...
dmz and segmentation
dns monitoring
iis security
iis webshell
incident response
legacy .net
threat intelligence
webshell attacks
webshelldetectionwebshells
windows server
windows server 2016
windows server security
