# ChainedShark

> As of 2026-05-30, ChainedShark is a Unknown (state-sponsored, targeting China)-nexus threat actor tracked by Threadlinqs Intelligence across 1 threat spanning apt. Also known as Actor240820, ChainedShark APT.

- **Nation:** Unknown (state-sponsored, targeting China)
- **Tracked threats:** 1
- **Categories:** APT
- **Also known as:** Actor240820, ChainedShark APT
- **As of:** 2026-05-30

## Tracked threats

- [ChainedShark APT (Actor240820): State-Sponsored Espionage Targeting Chinese Research Institutions via GrimResource & LinkedShell](https://intel.threadlinqs.com/threat/TL-2026-0082) — MEDIUM

## 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/ChainedShark