Alix Desforges and Aude Gery published an article on the website of the American think tank Atlantic Council, entitled “So much for a ‘world without borders’? Countries are marking their territory in cyberspace”.
You can find it here 

It is based on their joint article in French “Cyberespace: d’un village global à un espace aux multiples frontières” published in the May-June 2021 issue of the journal Diplomatie. Find it here