OFSI sanctions listing
Boris Alekseyevich ANTONOV
Boris Alekseyevich ANTONOV is an individual designated on the HM Treasury — Office of Financial Sanctions Implementation (OFSI) (OFSI) sanctions list under the Cyber programme, listed on 04/12/2025. This page summarises the public designation — known aliases, Russia nationality, identifying particulars, the stated reason for listing and linked parties — alongside an independent, transparent risk indicator.
Reason for listing
(UK Sanctions List Ref):CYB0104. (UK Statement of Reasons):The Secretary of State considers that there are reasonable grounds to suspect that as part of Unit 26165, Boris ANTONOV has been involved in relevant cyber activity in that he was responsible for, engaging in, providing support for, or promoting the commission, planning or preparation of relevant cyber activity. Such activity that Boris ANTONOV has been involved in undermines, or is intended to undermine, the integrity, prosperity or security of the United Kingdom or a country other than the United Kingdom. (Gender):Male
Statement of reasons as published by UK OFSI. This is the issuing authority's wording, reproduced for reference.
Designation record
| List / authority | UK OFSI (OFSI) — Cyber |
|---|---|
| Entity type | Person |
| Programmes / regime | Cyber |
| Date listed | 04/12/2025 |
| Source record ID | ofsi:17227 |
| Last updated (our copy) | 2026-06-04 |
Identity & particulars
| Nationality / country | Russia |
|---|---|
| Address(es) | Russia |
Deep-research dossier
Not yet deep-researched
The instant review above is drawn from the public lists. A deep-research dossier goes much further — an analyst-grade OSINT report: associate & co-investment network screening, structural / ownership opacity, a dated risk trajectory, an 8-factor scoring model, and numbered, source-linked evidence. See the format in the design system.
Clarifications & right of reply
Are you Boris Alekseyevich ANTONOV, or an authorised representative?
You — or your counsel or agent — can file a clarification and supporting documents against this record. Filings are reviewed and verified before anything is published; submissions are never posted automatically.
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Source & provenance
| Issuing authority | HM Treasury — Office of Financial Sanctions Implementation (OFSI) |
|---|---|
| Source identifier | ofsi:17227 |
| Aggregated by | Sanctiometer (independent) — verify against the issuing authority's official list before acting. |