Western intelligence officials warn Russia may be testing NATO's boundaries

European intelligence officials are warning that Russia's tolerance for risk appears to be growing, pointing to a pattern of sabotage and other covert activity directed at countries that support Ukraine. The assessment comes as the United Nations General Assembly opens in New York, a gathering expected to be dominated by discussion of ongoing conflicts involving Iran, Ukraine and the Gulf region.

According to the briefing, intelligence chiefs believe Moscow may be probing the limits of NATO's collective response, testing how far it can push through indirect and deniable means without triggering a unified alliance reaction. This includes acts of sabotage and other covert measures aimed at nations that have provided military, financial or political backing to Ukraine since Russia's 2022 invasion.

A crowded diplomatic agenda

The UN gathering is expected to draw significant attention to multiple overlapping crises, with the situation in Iran, the continuing war in Ukraine and tensions in the Gulf all likely to feature prominently in formal sessions and informal diplomatic conversations alike. Alongside the substantive security discussions, the assembly is also drawing scrutiny for its diplomatic theater, including close attention to interactions between world leaders on the sidelines.

Among the moments expected to attract interest is a first in-person meeting between UK figure Andy Burnham and US President Donald Trump, with observers likely to parse the body language and tone of the exchange for signs of the broader state of transatlantic relations.

Taken together, officials suggest the combination of a high-profile diplomatic setting and a documented rise in covert Russian activity underscores the extent to which European security concerns have become intertwined with the wider diplomatic calendar. The warning adds to a series of similar assessments from Western security services in recent months about the risk of miscalculation as the war in Ukraine continues without a clear resolution in sight.