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Law Messenger

Changes in the regulation of the security of critical information infrastructure (CII)

20.10.2025

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Earlier, we covered the restrictions on the use of foreign software at CII facilities imposed by Presidential Decrees No. 166 and No. 250.

In 2025, Federal Law No. 187-FZ “On the Security of Critical Information Infrastructure of the Russian Federation” dated 26 July 2017 (the “CII Law”) was significantly amended to strengthen CII technology independence and security. The amendments, introduced by Federal Law No. 58-FZ dated 7 April 2025 (effective 1 September 2025) and Federal Law No. 325-FZ dated 31 July 2025 (effective 1 March 2026), determine CII entities and establish new obligations for them. Below we highlight the key developments that require companies to promptly adapt their approaches to categorizing CII facilities and building the software mix.

Changes related to determining CII entities

Introduction of new obligations for CII entities

Our recommendations and assistance

In the near future, companies should focus on determining the CII entity status, categorizing facilities based on standard lists and sector-specific features, and transitioning to domestic hardware and software tools. 

Given the uncertainty about transition periods, we recommend planning new compliance measures in advance, e.g., migrating to Russian services or preparing documents to include Russian software and databases in relevant registers and lists.

The B1 team will be pleased to assist with various issues related to determining the status of our clients as CII entities, provide legal support for the CII facilities categorization procedure, including formulating a sound position for liaising with regulatory authorities, and help monitor the performance of new obligations and prepare necessary documents for migration to Russian software.

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AUTHORS

Natalia Aristova

Natalia Aristova

B1 Partner

Legal Services. Expert in corporate, finance and banking law, sanctions compliance, energy and environmental law  

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Dmitry Semenov

Dmitry Semenov

B1 Director

Legal Services, Tax, Law and Business Support. Specializes in a broad range of intellectual property matters

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