There is no 100% secure way to do anything online. You can take measures to make it very difficult for anything to happen such as using a strong password (long, alphanumeric passwords tend to be some of the strongest).
Remember to change your password regularly. Other things that can be done to help secure the domain is to turn on ‘Registrar-Lock’ the feature is available FREE for the domain registered with Gotka Technologies.
To read about domain "Registrar-Lock" click go What is Registrar-Lock?
To register for domain name click here - http://www.gotka.com/clients/cart.php?a=add&domain=register or to read the Domain Pricing click here - http://www.gotka.com/index.php/services/domain-name
