# TA458

> As of 2026-07-23, TA458 is a Russia-nexus threat actor tracked by Threadlinqs Intelligence across 1 threat spanning apt.

- **Nation:** Russia
- **Tracked threats:** 1
- **Categories:** APT
- **As of:** 2026-07-23

## Tracked threats

- [Operation RoundPress: TA458 Deploys SpyPress Malware via Half-Click Webmail Zero-Days (CVE-2025-27915, CVE-2025-3929, CVE-2026-8496)](https://intel.threadlinqs.com/threat/TL-2026-2579) — CRITICAL

## Related CVEs

6 CVEs referenced by tracked TA458 activity.

- [CVE-2026-8496](https://intel.threadlinqs.com/cve/CVE-2026-8496)
- [CVE-2025-49113](https://intel.threadlinqs.com/cve/CVE-2025-49113)
- [CVE-2025-3929](https://intel.threadlinqs.com/cve/CVE-2025-3929)
- [CVE-2025-27915](https://intel.threadlinqs.com/cve/CVE-2025-27915)
- [CVE-2024-42009](https://intel.threadlinqs.com/cve/CVE-2024-42009)
- [CVE-2023-43770](https://intel.threadlinqs.com/cve/CVE-2023-43770)

## 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/TA458