Threat ActorHuman reviewed 2026-08-26 · MITRE ATT&CK · Microsoft

APT28 (Fancy Bear)

Russian GRU-linked advanced persistent threat (APT28 / Fancy Bear / Forest Blizzard) active since at least 2004, targeting governments, militaries and media via phishing and zero-day exploits.

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APT28 (Fancy Bear) is a Russia GRU-aligned threat group that has been compromising government, military and media targets since 2004, favoring spearphishing, credential theft and zero-day exploitation.

Definition

State-sponsored cyber espionage group attributed to Unit 26165 of Russia's GRU; masterminds of campaigns such as the 2016 DNC intrusions and frequent zero-day use against diplomatic and defense targets.

Why It Matters / Profile

  • Sponsorship: Russian Federation (GRU, Unit 26165)
  • Active since: 2004
  • Aliases: Fancy Bear, Sofacy, Forest Blizzard, Sednit

Current Status

  • Review status: published
  • Last updated: 2026-08-26
  • Evidence: 2 source(s) · 4 technique(s)
  • Confidence: 90%

ATT&CK Techniques

Targets

  • Government agencies
  • Defense
  • Media
  • Diplomats

Timeline

  1. 2004-01-01 — Attributed origins (approx.)
  2. 2016-03-01 — 2016 DNC intrusion campaign
  3. 2023-01-01 — Zero-day and cloud-targeted operations continue

Sources

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  1. Question — what do you need to know about APT28 (Fancy Bear)?
  2. Evidence — assertions mapped to verifiable references.
  3. Timeline — events in chronological order.
  4. Related Entities — CVE, threat actor, campaign, malware links.
  5. Sources — NVD, CISA KEV, MITRE ATT&CK, vendor advisories.
  6. Notes — your own observations and working hypotheses.

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