MANDIANT_ACTIVE_BREACH_IOC,MANDIANT_FUSION_IOC, andOPEN_SOURCE_INTEL_IOC` feeds are being removed

The MANDIANT_ACTIVE_BREACH_IOC, MANDIANT_FUSION_IOC, and OPEN_SOURCE_INTEL_IOC feeds are deprecated in favor of the GTI_IOC feed. After March 18, 2027, we will be removing the MANDIANT_ACTIVE_BREACH_IOC, MANDIANT_FUSION_IOC, and OPEN_SOURCE_INTEL_IOC feeds. For more information on how to migrate, see Migrate Mandiant legacy feeds to GTI.