Use a secure browser. Software that encrypts or scrambles the purchase information you send over the Internet will guard the security of your online transactions. Most computers today come with a secure browser already installed. Look for a padlock symbol or similar icon at the bottom of your browser screen, or check with the software manufacturer. Make sure the vendor site is secure.
Some disclosures are easier to find than others.
If you can't find these policies, consider shopping elsewhere. Never give your password to anyone online. This warning includes your Internet service provider. Look for the company's physical location. The name, address and contact information for the company should always be given.