T1199 - Trusted Relationship is a mitre_attack tracked by ThreatCluster, appearing in 9 threat clusters built from 9 intelligence report mentions.
T1199 - Trusted Relationship is a mitre_attack tracked across 9 threat clusters and 9 intelligence report mentions on ThreatCluster. First observed November 17, 2025; most recent activity July 29, 2026.
Amazon's threat intelligence team has linked a North Korean hacker group to multiple compromises of popular open source software libraries, including axios, debug, chalk, and typo-crypto. The group, tracked under…
Ernst & Young LLP (EY) has confirmed a data breach involving unauthorized access to a third-party IT service management platform used for tax-related work. The breach, which occurred between March 28 and April 12, 2026,…
On May 20, 2026, The Oncology Institute, Inc. was notified of unauthorized access to its systems by Kroll, a third-party vendor. The incident, confirmed in an SEC filing on May 22, 2026, involved patient data…
The Mustang Panda group has intensified its cyber-espionage efforts by deploying a new variant of the CoolClient backdoor, which includes advanced infostealer capabilities. This updated malware targets government and…
AdaptHealth Corp. reported a material cybersecurity incident involving unauthorized access to its cloud-based systems, specifically targeting internal patient management and document storage platforms. The breach…
On April 11, 2026, Rockstar Games confirmed a data breach involving the hacker group ShinyHunters, which accessed company data through a third-party cloud service, Anodot. The attackers exploited vulnerabilities in…
Since mid-2024, the threat group UNC1549 has conducted targeted cyber campaigns against the aerospace, aviation, and defense industries, particularly focusing on entities in the Middle East. Mandiant has documented…
Threat actors are exploiting OAuth consent abuse in Microsoft Entra ID, using malicious applications that mimic trusted tools like ChatGPT to gain unauthorized access to user email accounts. This vulnerability affects…
Mandiant has identified a surge in targeted campaigns by the threat group UNC1549, suspected to be linked to Iran, focusing on the aerospace, aviation, and defense sectors in the Middle East. Since mid-2024, these…
T1199 - Trusted Relationship is a mitre_attack tracked by ThreatCluster, appearing in 9 threat clusters built from 9 intelligence report mentions.
The most recent intelligence report mentioning T1199 - Trusted Relationship on ThreatCluster is dated July 29, 2026. Activity was first observed November 17, 2025, giving a tracked span from then to July 29, 2026.
Across ThreatCluster reporting, T1199 - Trusted Relationship most frequently co-occurs with Alluring Pisces, Apt28, Apt29, BlueNoroff, Bronze President, among 12 tracked related entities.
The most significant recent cluster is “North Korean Hackers Target Open Source Software Libraries” (2 articles · Updated July 29, 2026). T1199 - Trusted Relationship appears across 9 threat clusters in total, listed above with sources.
T1199 - Trusted Relationship appears in 9 intelligence report mentions across 9 deduplicated threat clusters, aggregated from 17,000+ monitored sources.