FIRS stands for the Foreign Influence Registration Scheme, a UK legal framework for disclosing certain foreign-influence arrangements. It is meant to improve transparency where a foreign state, organisation, or intermediary may be seeking to shape activity in the UK, including in research and other sensitive sectors. The core idea is simple: if influence is being exercised through money, partnerships, representation, or coordinated activity, that relationship may need to be registered or disclosed.
In cyber security, FIRS matters because influence is often a precondition for access. A sponsor, collaborator, or intermediary can create pressure around data sharing, publication timing, project direction, or access to people and systems without using malware at all. That makes it relevant to supply-chain style risk in universities, labs, and technology firms. Defenders use FIRS-style scrutiny to spot hidden leverage, identify who ultimately benefits from a relationship, and decide when legal, research-security, or compliance review is needed. It is a governance control that helps protect sensitive knowledge as well as networks.