It is important to keep your Kaspersky Endpoint Security 8 updated and do periodic scans of you Mac. To do so go to your applications and open the application called Kaspersky when you open it if your software is out of date you should update it by clicking on the orange globe to the right of the magnify glass. After you install the update do a quick scan to remove any viruses if you have any by clicking on the magnify glass and clicking quick scan. If you have any viruses at the bottom it will say dangerous objects detected/disinfected and will have a number. If there are viruses there will be a pop-up window saying would you like to remove the virus click yes. You should check for updates and do a security scan at least once a week.