By @asheermalhotra
Publication Date: 2026-01-15 11:00:00
- Cisco Talos is closely tracking UAT-8837, a threat actor we assess with medium confidence is a China-nexus advanced persistent threat (APT) actor based on overlaps in tactics, techniques, and procedures (TTPs) with those of other known China-nexus threat actors.
- Based on UAT-8837’s TTPs and post-compromise activity Talos has observed across multiple intrusions, we assess with medium confidence that this actor is primarily tasked with obtaining initial access to high-value organizations.
- Although UAT-8837’s targeting may appear sporadic, since at least 2025, the group has clearly focused on targets within critical Infrastructure sectors in North America.
After obtaining initial access — either by successful exploitation of vulnerable servers or by using compromised credentials — UAT-8837 predominantly deploys open-source tools to harvest sensitive information such as credentials, security configurations, and domain and Active Directory (AD) information to create…