You need to make sure all your programs are up to date for one. Make sure you have at least one of the following types of apps.
Also ensure you have got the latest windows updates.
The best way to stay safe online is to just use the padlock icon and make sure the address in the bar is one you expect. I have seen people using addresses like click here So do be sure the address is correct.
An alternative is to use a more secure browser such as opera or firefox.