Use strong, unique passwords for all accounts and implement multi-factor authentication (MFA) to add an extra layer of security.
Integrate a firewall to manage both incoming and departing network traffic. Configure it to allow only necessary connections and services.
Enable and regularly review audit logs and system logs. Monitoring these logs can help you detect and respond to suspicious activities in a timely manner.
Encrypt data both in transit and at rest. Use protocols like HTTPS for web traffic and implement encryption for stored data.
Regularly back up your data and ensure that the backup process is functioning correctly. Backups should be kept in a different, secure area.