https://www.forbes.com/sites/thomasbrewster/2022/03/15/internet-technicians-are-the-hidden-heroes-of-the-russia-ukraine-war/?ss=cybersecurity&sh=75eb5cdd2884

Images sent to Forbes by Kyivstar show what the conditions are like.
Despite obliterated terrain and internet wires, fire-blackened data
centers, curfews, lack of light, and the danger of death from above, the
fixers go out and turn the internet back on so Ukrainians can stay in
touch with one another and get word out beyond borders, to illuminate for
the world the darkness that’s descended on their nation. Their government
calls them the “invisible heroes” of the war, entering dangerous places to
replace and upgrade equipment.
[...]


Satellite outage caused 'huge loss in communications' at war's outset
-Ukrainian official

https://www.reuters.com/world/satellite-outage-caused-huge-loss-communications-wars-outset-ukrainian-official-2022-03-15/

A senior Ukrainian cybersecurity official said that the digital sabotage
that hit Viasat's KA-SAT network last month caused a massive
communications outage at the outset of Russia's invasion.

Speaking to journalists on Tuesday, Victor Zhora said he could not reveal
much about the incident, which crippled tens of thousands of satellite
modems across Europe on the morning of Feb. 24, just as Russian armor
pushed into Ukraine.
[...]


New narrative forms on Russia-Ukraine cyberwar as Viasat outage
investigated

https://www.scmagazine.com/analysis/cyberespionage/new-narrative-forms-on-russia-ukraine-cyberwar-as-viasat-outage-investigated

Gen. Paul Nakasone, head of the National Security Agency, issued what
retroactively seems like a carefully worded answer at a Senate hearing to
a question about the relative lack of cyberwarfare during the war in
Ukraine, saying that the U.S. was aware of "three or four" cyberattacks in
Ukraine. He did not mention which attacks those were, though three or four
candidates other than Viasat were already known to the public.