I was listening to a cyberwarfare expert in the US talk about the war earlier in the year, and I recall him saying that one of their surprises – where Russia hadn’t acted as expected in the invasion – was that they hadn’t attempted to take out Ukraine’s communications, like broadcast and cell, either via conventional or cyber attack. He threw out some possibilities as to why that might be.

I suppose that they’re acting as expected now.

This is the best summary I could come up with:

Customers have been left without phone or internet access, while one city’s air raid sirens stopped working.

Reports emerged on Tuesday morning that people and businesses had lost mobile and internet signal.

Military authorities in the area announced they would send out police and emergency vehicles to alert residents of any incoming missile or drone strikes.

Dutch-domiciled parent company Veon said it would work with Kyivstar on “additional security measures” to prevent similar incidents in future.

Separately, Ukraine’s military intelligence claimed to have carried out a cyber-attack on Russia’s federal tax system in recent days.

“During the special operation, military intelligence of Ukraine managed to break into one of the well-protected key central servers of the federal tax service,” read a statement on Telegram.

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