European intelligence officials warn that Russia may be preparing more decisive action against NATO, with one saying a potential attack could come in a matter of 'months, not years'.
Key facts
- European intelligence officials have raised the possibility of an imminent Russian test of NATO.
- One official warned a potential attack could come in 'months, not years'.
- Poland's PM Donald Tusk told parliament Russia might attack NATO territory with drones or missiles.
- Officials say the aim would be to show that Article 5 is 'more theoretical than practical'.
- Intelligence officers caution that public panic could play into Kremlin psychological operations.
European intelligence officials have raised the possibility of an imminent Russian test of NATO, according to a report by the Guardian. One official was quoted warning that a potential attack could come in a matter of “months, not years”.
The warnings follow comments by Poland’s prime minister, Donald Tusk, who told parliament that intelligence assessments suggested Russia might launch an attack with drones or missiles on NATO territory in the coming months.
According to the Guardian, such a move would form part of Russian efforts to prove that “article 5 is more theoretical than practical” — a reference to NATO’s collective defence clause, under which an attack on one member is treated as an attack on all.
Intelligence officers also cautioned against overreaction, warning that public panic would play into Kremlin psychological operations. The message from officials, as reported, balances concern about escalation with the risk of amplifying Russian efforts to unsettle European societies.
The Guardian described the assessments as intelligence that a Russian campaign could intensify in the near term. The report frames the warnings as part of a wider concern among European spy agencies about Moscow’s intentions toward the alliance.
Why it matters
NATO's Article 5 collective-defence guarantee is the cornerstone of European security, and any Russian attempt to test it directly would mark a serious escalation. The warnings underline how intelligence agencies are weighing both the threat of an attack and the danger that public fear itself could serve Moscow's aims.
Frequently asked questions
What is Article 5 and why is it mentioned?
Article 5 is NATO's collective defence clause, under which an attack on one member is treated as an attack on all. Officials cited by the Guardian say Russia may seek to prove that Article 5 is 'more theoretical than practical'.
How soon do officials think an attack could come?
One European intelligence official warned a potential attack could come in a matter of 'months, not years', according to the Guardian.
What kind of attack are officials concerned about?
Poland's PM Donald Tusk told parliament that intelligence assessments suggested Russia might launch an attack with drones or missiles on NATO territory in the coming months.

