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The ordinary security camera watching a street or a parking lot has quietly become a weapon of war. Ukraine’s Security Service has identified about 40,000 surveillance cameras since Russia’s 2022 invasion that Russian forces and spy agencies could have used to snoop, find targets and correct strikes, and has protected, reoriented or blocked them, The Wall Street Journal reported.

The discovered threat reaches well beyond Ukraine: Dutch intelligence warned in July that Russian state actors are systematically hacking cameras across Europe to track arms deliveries to Ukraine and the whereabouts of Ukrainian troops.

AI makes it faster

About 1.2 billion internet-connected cameras now watch the world, in doorbells, traffic lights, and baby monitors, and almost any of them can be hacked, the journalists found.

In Ukraine, the danger is lethal. In 2024, Russian hackers took over residential webcams in Kyiv, including one that a condominium association had installed, to find targets and adjust missile strikes on the capital, Ukraine's Security Service says.

Spying on Europe’s edge

Evidence of European reach keeps surfacing. Cybersecurity firm CloudSEK has recently uncovered an exposed server it suspects belongs to a Russian-speaking hacker, containing hundreds of webcam images of Ukrainian defense, government, energy, and communications sites, as well as scenes of daily life.

Many of the images came from locations near Ukraine’s border with NATO member Romania, CloudSEK says.

The Dutch warning and the server point the same way: cameras far from the front line are feeding Russia data on how the West arms Ukraine.

Ukraine turns the lens back on Russia

Ukraine also uses the same tactic inside the occupied territory. The international hacker group Team OneFist took control of a camera in Sevastopol, in occupied Crimea, and used it to watch Russian ships, submarines, and helicopters, spotting a previously unknown air base that Ukraine later struck, damaging planes and air defenses.

Team OneFist also reached cameras on the Kerch Strait Bridge, learning that Russia had installed motion sensors beneath the bridge to guard against waterborne attacks. Penetrating a well-placed camera gets analysts closer to targets at less risk than any secret agent.