Will using a cloud computer lead to a game account ban?

Two weeks ago, I had to stay in a remote hotel for work. I tried to play Battlefield 6 on the computer in the hotel room, but I couldn't enter the game because the computer didn't have secure boot enabled. I also couldn't set up secure boot on that computer. Then I suddenly thought of using a cloud computer to play the game. I stayed there for four days and played games on the cloud computer every night. After I got home, I played games on my own computer. Three days ago, I was suddenly notified that my account had been permanently banned.I've tried to appeal, but after waiting for two days, the result was that I was determined to have cheated. How is that possible? My computer is a brand - new one I bought in May this year. Apart from the game, I've only installed some common video and social software in it. My KD is only a pitiful 0.82.