T1572 - Protocol Tunneling is a mitre_attack tracked by ThreatCluster, appearing in 18 threat clusters built from 18 intelligence report mentions.
T1572 - Protocol Tunneling is a mitre_attack tracked across 18 threat clusters and 18 intelligence report mentions on ThreatCluster. First observed March 9, 2026; most recent activity July 23, 2026.
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T1572 - Protocol Tunneling is a mitre_attack tracked by ThreatCluster, appearing in 18 threat clusters built from 18 intelligence report mentions.
The most recent intelligence report mentioning T1572 - Protocol Tunneling on ThreatCluster is dated July 23, 2026. Activity was first observed March 9, 2026, giving a tracked span from then to July 23, 2026.
Across ThreatCluster reporting, T1572 - Protocol Tunneling most frequently co-occurs with Banished Kitten, Cavern Manticore, China-Nexus Hackers, Cl-sta-0049, Cl-unk-1068, among 12 tracked related entities.
The most significant recent cluster is “Operation Escaneo Targets Latin American Critical Infrastructure” (4 articles · Updated June 18, 2026). T1572 - Protocol Tunneling appears across 18 threat clusters in total, listed above with sources.
T1572 - Protocol Tunneling appears in 18 intelligence report mentions across 18 deduplicated threat clusters, aggregated from 17,000+ monitored sources.