Britain is providing information to 16 allies in the NATO military alliance about Russia’s cyber activities in their territories over the last 18 months, Foreign Minister Jeremy Hunt will announce later on Thursday, a statement that is expected to further muddy the waters between London and Moscow.

Hunt will make the remarks during a speech at the NATO Cyber Defense Pledge Conference in London, where he is expected to accuse Russia�s intelligence services of running a "global campaign" that has targeted the critical infrastructure of at least 16 member-states, according to extracts of the speech released by his department.

"This global campaign also seeks to compromise central government networks," he will warn the meeting, which is to be attended by the alliance�s head Jens Stoltenberg.

"I can disclose that in the last 18 months, the National Cyber Security Centre has shared information and assessments with 16 NATO Allies -- and even more nations outside the Alliance -- of Russian cyber activity in their countries," Hunt will add.

The British FM will call on NATO’s all 29 members to team up against Moscow and deliver a “proportionate” response if Russia ever attacks.

"Together, we possess options for responding to any attacks. We should be prepared to use them."

Putin slams �baseless allegations� after UK poisonings

"Why should our relationship be made worse by this?" Putin asked.

The remarks come as ties between London and Moscow are at a deadlock. Tensions began last year, when the UK accused Russia of orchestrating a poison attack against former double agen Sergey Novichok in Salisbury.

London expelled 23 Russian diplomats in March after accusing Moscow of masterminding a nerve agent attack against Russia’s former double agent Sergei Skripal and his daughter Yulia on the British soil in March.

Russia has denied any involvement in the attack, dismissing the UK accusations as an extension of the anti-Russia propaganda campaign by the West.

London since the Salisbury attack has stepped up its anti-Russia rhetoric by backing a NATO buildup on Russia’s borders while siding with Ukraine in a standoff with the government of Russian President Vladimir Putin.