Based on the OFSI “Notice_Cyber_041225” and the Annex details, here are the re-formatted listings for the additions, followed by supplemental information.

Individuals

1. BORIS ALEKSEYEVICH ANTONOV

• Group ID: 17227
• Name (non-Latin script): Борис Алексеевич АНТОНОВ
• Nationality: Russia
• Address: Russia
• Other Information: (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
• Listed on: 04/12/2025 UK Sanctions List
• Date Designated: 04/12/2025
• Last Updated: 04/12/2025

Supplemental Information: Boris Antonov is a Major in the Russian GRU’s Unit 26165 (85th Main Special Service Center). He was indicted by a U.S. federal grand jury in July 2018 (the “Netyksho” indictment) for his role in the conspiracy to interfere with the 2016 U.S. presidential election, specifically involving the hacking of the DNC and DCCC. The FBI lists his Date of Birth as December 19, 1980.

2. ANATOLIY VLADIMIROVICH ISTOMIN

• Group ID: 17228
• Name (non-Latin script): Анатолий Владимирович ИСТОМИН
• Nationality: Russia
• Address: Russia
• Other Information: (UK Sanctions List Ref): CYB0105. (UK Statement of Reasons): The Secretary of State considers that there are reasonable grounds to suspect that as part of Unit 26165, Anatoliy ISTOMIN 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 Anatoliy Vladimirovich ISTOMIN 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
• Listed on: 04/12/2025 UK Sanctions List
• Date Designated: 04/12/2025
• Last Updated: 04/12/2025

Supplemental Information: Anatoliy Istomin is identified as an officer in GRU Unit 26165, the unit responsible for military cyber operations including the 2016 U.S. election interference and attacks on the OPCW.

3. IGOR ANDREYEVICH BOCHKA

• Group ID: 17229
• Name (non-Latin script): Игорь Андреевич БОЧКА
• a.k.a: BOCHKA, Igor, Andreevich
• Nationality: Russia
• Address: Russia
• Other Information: (UK Sanctions List Ref): CYB0106. (UK Statement of Reasons): The Secretary of State considers that there are reasonable grounds to suspect that a member of GRU Unit 26165, Igor Andreyevich BOCHKA has also been involved in relevant cyber activity in that he has been responsible for, engaging in, providing support for, or promoting the commission, planning or preparation of relevant cyber activity. Such activity that Igor Andreyevich BOCHKA 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
• Listed on: 04/12/2025 UK Sanctions List
• Date Designated: 04/12/2025
• Last Updated: 04/12/2025

Supplemental Information: Igor Bochka is identified as an officer in GRU Unit 26165.

4. ALEKSEY ANDREYEVICH UMETS

• Group ID: 17230
• Name (non-Latin script): Алексей Андреевич УМЕЦ
• Nationality: Russia
• Address: Russia
• Other Information: (UK Sanctions List Ref): CYB0107. (UK Statement of Reasons): The Secretary of State considers that there are reasonable grounds to suspect that as part of Unit 26165, Aleksey Andreyevich UMETS has been involved in relevant cyber activity in that he has been responsible for, engaging in, providing support for, or promoting the commission, planning or preparation of relevant cyber activity. Such activity that Aleksey Andreyevich UMETS 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
• Listed on: 04/12/2025 UK Sanctions List
• Date Designated: 04/12/2025
• Last Updated: 04/12/2025

Supplemental Information: Aleksey Umets is identified as an officer in GRU Unit 26165.

5. PAVEL VYACHESLAVOVICH YERSHOV

• Group ID: 17231
• Name (non-Latin script): Павел Вячеславович ЕРШОВ
• Nationality: Russia
• Address: Russia
• Other Information: (UK Sanctions List Ref): CYB0108. (UK Statement of Reasons): The Secretary of State considers that there are reasonable grounds to suspect that as part of Unit 26165, Pavel Vyacheslavovich YERSHOV has been involved in relevant cyber activity in that he has been responsible for, engaging in, providing support for, or promoting the commission, planning or preparation of relevant cyber activity. Such activity that Pavel Vyacheslavovich YERSHOV 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
• Listed on: 04/12/2025 UK Sanctions List
• Date Designated: 04/12/2025
• Last Updated: 04/12/2025

Supplemental Information: Pavel Yershov is a Russian military intelligence officer assigned to GRU Unit 26165. He was indicted by the U.S. in July 2018 for his role in the 2016 election interference. The FBI lists his Date of Birth as December 14, 1990.

6. NIKOLAY YURYEVICH KOZACHEK

• Group ID: 17232
• Name (non-Latin script): Николай Юрьевич КОЗАЧЕК
• Nationality: Russia
• Address: Russia
• Other Information: (UK Sanctions List Ref): CYB0109. (UK Statement of Reasons): The Secretary of State considers that there are reasonable grounds to suspect that as part of Unit 26165, Nikolay Yuryevich KOZACHEK has been involved in relevant cyber activity in that he has been responsible for, engaging in, providing support for, or promoting the commission, planning or preparation of relevant cyber activity. Such activity that Nikolay Yuryevich KOZACHEK 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
• Listed on: 04/12/2025 UK Sanctions List
• Date Designated: 04/12/2025
• Last Updated: 04/12/2025

Supplemental Information: Nikolay Kozachek is a Lieutenant Captain in the Russian GRU’s Unit 26165. He was indicted by the U.S. in July 2018 for developing and monitoring the “X-Agent” malware used to hack the DNC. The FBI lists his Date of Birth as July 29, 1989.

7. DENIS IGOREVICH DENISENKO

• Group ID: 17233
• Name (non-Latin script): Денис Игоревич ДЕНИСЕНКО
• Nationality: Russia
• Address: Russia
• Other Information: (UK Sanctions List Ref): CYB0110. (UK Statement of Reasons): The Secretary of State considers that there are reasonable grounds to suspect that Russian GRU 29155 Officer Senior Lieutenant Denis Igorevich DENISENKO is or has been responsible for, engaging in, providing support for, or promoting the commission, planning or preparation of relevant cyber activity. Additionally, DENISENKO remains associated with a GRU unit, which is a person who is or has been so involved in such activity.
• Gender: Male
• Listed on: 04/12/2025 UK Sanctions List
• Date Designated: 04/12/2025
• Last Updated: 04/12/2025

Supplemental Information: Denis Denisenko is a Senior Lieutenant in GRU Unit 29155. He was indicted by the U.S. in June 2024 for his involvement in the “WhisperGate” malware attacks against Ukraine and other targets. The FBI lists his Date of Birth as May 14, 1997.

8. DMITRIY YURYEVICH GOLOSHUBOV

• Group ID: 17234
• Name (non-Latin script): Дмитрий Юрьевич ГОЛОШУБОВ
• Nationality: Russia
• Address: Russia
• Other Information: (UK Sanctions List Ref): CYB0111. (UK Statement of Reasons): The activity that GOLOSHUBOV is or 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
• Listed on: 04/12/2025 UK Sanctions List
• Date Designated: 04/12/2025
• Last Updated: 04/12/2025

Supplemental Information: Dmitriy Goloshubov is an officer in GRU Unit 29155. He was indicted by the U.S. in June 2024 for his role in the “WhisperGate” cyber attacks against Ukrainian critical infrastructure. The FBI lists his Date of Birth as October 10, 1998.

The video below explains how the FBI identified and indicted the GRU officers mentioned in the listing.

FBI press conference on GRU officers

This video is relevant as it details the specific indictments and activities of the GRU officers (Unit 26165 and 29155) listed in the sanctions notice.

Entities

1. BABBAR AKALI LEHAR

• Group ID: 17226
• Good quality a.k.a: BAL
• Other Information: (UK Sanctions List Ref): CTD0012. (UK Statement of Reasons): “We have reasonable grounds to suspect that Babbar Akali Lehar (“BAL”) is an involved person on the basis that it has been involved in the following terrorist activity: (a) BAL has been and is promoting and encouraging terrorism, through promoting a person involved in terrorism, namely Babbar Khalsa (“BK”) which uses the alias Babbar Khalsa International (“BKI”) (together “BK/BKI”); (b) BAL is associated with a person involved in terrorism namely BK/BKI; and (c) BAL has been and is carrying out recruitment activities for persons involved in terrorism, namely themselves and BK/BKI.” (Website): babbarakali.com
• Listed on: 04/12/2025 UK Sanctions List
• Date Designated: 04/12/2025
• Last Updated: 04/12/2025

Supplemental Information: Babbar Akali Lehar (BAL) is a pro-Khalistan militant organization. The UK government designated it alongside Gurpreet Singh Rehal, citing its support for the banned terrorist group Babbar Khalsa International (BKI). The group is accused of promoting terrorism and recruiting for BKI activities.

2. THE MAIN DIRECTORATE OF THE GENERAL STAFF OF THE ARMED FORCES OF THE RUSSIAN FEDERATION

• Group ID: 17235
• a.k.a: (1) GRU (2) Main Directorate (3) Main Intelligence Directorate
• Address: Khoroshevskoye Shosse, 76, Moscow, Russia
• Other Information: (UK Sanctions List Ref): RUS3149. (UK Statement of Reasons): The Secretary of State considers that there are reasonable grounds to suspect THE MAIN DIRECTORATE OF THE GENERAL STAFF OF THE ARMED FORCES OF THE RUSSIAN FEDERATION (GRU) is an involved person under the Russia (Sanctions) (EU Exit) Regulations 2019 based on the following ground: THE MAIN DIRECTORATE OF THE GENERAL STAFF OF THE ARMED FORCES OF THE RUSSIAN FEDERATION (GRU) is or has been involved in destabilising Ukraine or undermining the territorial security and sovereignty of Ukraine by engaging in, providing support for, or promoting actions which destabilise Ukraine or undermine or threaten the territorial integrity, sovereignty or independence of Ukraine.
• Financial sanctions imposed in addition to an asset freeze: Trust services
• Date trust services sanctions imposed: 04/12/2025
• Listed on: 04/12/2025 UK Sanctions List
• Date Designated: 04/12/2025
• Last Updated: 04/12/2025

Supplemental Information: The GRU (Glavnoye Razvedyvatelnoye Upravleniye) is the foreign military intelligence agency of the General Staff of the Armed Forces of the Russian Federation. It controls the specialized cyber units (Unit 26165 and Unit 29155) whose officers were also designated in the parallel Cyber sanctions notice. The GRU has been implicated in numerous international incidents, including the 2018 Salisbury nerve agent attack and the 2016 U.S. election interference.

... Russian military intelligence: The GRU …

This video provides context on the GRU and its activities, which is relevant to the entity listing for the “Main Directorate of the General Staff” and its associated units.