# Russian State-Sponsored

> As of 2026-05-30, Russian State-Sponsored is a Russia-nexus threat actor tracked by Threadlinqs Intelligence across 1 threat spanning vulnerability. Also known as APT28, APT29, Sandworm, GRU.

- **Nation:** Russia
- **Tracked threats:** 1
- **Categories:** VULNERABILITY
- **Also known as:** APT28, APT29, Sandworm, GRU, FSB, IRON TWILIGHT, SNAKEMACKEREL, Swallowtail, Group 74, Sednit, Sofacy, Pawn Storm
- **As of:** 2026-05-30

## Tracked threats

- [CVE-2026-21509: Russian Hackers Exploit Microsoft Office Vulnerability Against Ukraine](https://intel.threadlinqs.com/threat/TL-2026-0041) — CRITICAL

## Related CVEs

1 CVE referenced by tracked Russian State-Sponsored activity.

- [CVE-2026-21509](https://intel.threadlinqs.com/cve/CVE-2026-21509)

## Full data

Infrastructure, IOC values and detection queries (Splunk SPL / Microsoft KQL / Sigma) require the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp

Canonical: https://intel.threadlinqs.com/actor/Russian%20State-Sponsored