The site employs a full team of staff, including titled players, and invests in developing tools and processes to catch cheating members.
The following articles and video go into detail on the site's efforts and what is done to address the issue.
https://support.chess.com/article/648-what-do-i-need-to-know-about-fair-play-on-chess-com
https://www.chess.com/article/view/online-chess-cheating
https://www.chess.com/article/view/chesscom-update-february-2024#FairPlay
The site closed over 66,000 accounts in January for fair play violations and has a full team of staff working on reports along with some automated systems for detection.
https://www.chess.com/article/view/fair-play
That said, discussions of cheating, potential cheating, or cheat detection are not allowed in the general forums. If you would like to discuss join the following club. https://www.chess.com/club/cheating-forum
is chess.com serious in at least try to minimize cheating.i know they will just re-post that they closed x-amount of accounts due to fair play violations,but this doesn't address cheating.