I Need Help Confirming My Recovered Brawl Stars Account Is Fully Secure

Hello, I need urgent assistance regarding my Brawl Stars account security. About two years ago, my account was stolen, and the person who took it transferred it to their own Gmail account. A few months ago, I finally managed to recover my account and successfully linked it back to my own Gmail address. I also activated all available security protections.

However, I am still worried. Can the person who stole my account before somehow access it again? Or is my account now completely safe under my control? I am very concerned about losing it again after everything I went through to recover it.

Please read my situation carefully and provide a detailed response on whether my account is now fully secured or if there are any additional steps I should take to protect it. I am counting on your help to resolve this!