Enable your Mac built-in software firewall. Open the "System Preferences" menu and click the Security and Privacy icon under the Personal heading. Select the "Firewall" tab at the top of the window; click the "Start" button to enable the firewall. You can configure few settings given below about How to Protect Your Mac from Hacking and enable few services into your Mac; you can avoid risk of hacking. • Lock Home Folder Permission User • Close Down the Services Not in Use • Secure Booting by Setting Password to Firmware • Enable Both Firewall for Two-sided Protection • Do Little Changes in Safari for Safe Browsing Get in Touch With us Blog- http://www.applemactechnicalsupportnumber.com/blog/how-to-protect-your-mac-from-hacking Email: - support@applemactechnicalsupportnumber.com Toll-Free Number- 1-(877) 211-4337 Follow us on Twitter: - https://twitter.com/Help4MacBook FaceBook: - https://www.facebook.com/AppleTecnicalSuportPhoneNumber/ Linkedin: - https://www.linkedin.com/in/support4macbook Google+ - https://plus.google.com/b/102702931610557719722/102702931610557719722/ Youtube: - https://www.youtube.com/channel/UCacWb6xRfwxznKSlDi643Fg