You can prevent identify theft when purchasing online. provide personal information only when shopping on a secure site. ensure that the site has https: // in the browser. also, protect your pc with anti-malware. a. you can protect yourself from identity theft when shopping online to provide personal information only when shopping on a secure site, to ensure the site has https: // in the browser, and by protecting your pc with anti-malware. b. you can protect yourself from identity theft when shopping online by provision of personal information only when shopping on a secure site, ensuring that the site has https: // in the browser, and protection of your pc with anti-malware. c. you can protect yourself from identity theft when shopping online to provide personal information only when shopping on a secure site, ensuring the site has https: // in the browser, and protecting your pc with anti-malware. d. you can protect yourself from identity theft when shopping online by providing personal information only when shopping on a secure site, by ensuring the site has https: // in the browser, and by protecting your pc with anti-malware.