How can I secure my CMS against potential vulnerabilities and cyber attacks?

Use a reputable and secure CMS platform with a strong track record of security.
Regularly update your CMS to the latest stable version to patch any known vulnerabilities.
Implement strong and unique passwords for user accounts and administrative access.
Limit access privileges to only necessary individuals or user roles.
Utilize secure protocols like HTTPS for data encryption during transmission.
Install security plugins or extensions to add an extra layer of protection.
Regularly monitor and audit user activity logs for any suspicious behavior.
Keep server and hosting environments secure by applying necessary security measures.