Click the down arrow next to your profile picture in the top right corner of the screen while logged in and select "Profile".
Now you can update your personal information and set/change your profile picture. One you are done click "Save changes".
🔔 You are not allowed to change your company or email...
If your email address has changed contact your company's C-COM administrator
If your employer has changed you must approach your new employer to setup a new C-COM account