New national security laws come into effect

The UK’s new national security regime comes into effect today.

Under the National Security and Investment Act, the government will be able to intervene in acquisitions it deems potentially harmful to the UK’s national security.

The NSI Act requires businesses and investors to notify the government of acquisitions across 17 sensitive areas of the economy, including AI and civil nuclear.

Business Secretary Kwasi Kwarteng said: “The new investment screening process in place from today is simple and quick, giving investors and firms the certainty they need to do business, and giving everyone in the UK the peace of mind that their security remains our number one priority.”

The 17 areas are:

Advanced materials
Advanced robotics
Artificial intelligence
Civil nuclear
Computing hardware
Critical suppliers to government
Cryptographic authentication
Data infrastructure
Military and dual-use
Quantum technologies
Satellite and space technologies
Suppliers to the emergency services
Synthetic biology

Full guidance for businesses on the new rules can be found here:

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