If you boot the phone in Recovery mode (with the phone turned off, press the Home button, the Power button and the Volume Up button simultaneously, and hold them all until you see the logo) you can perform a Factory Reset. Be aware that you'll lose all of your data (except for what you have synced with Google/the cloud, or saved on your SDCard).
I don't use Kaspersky, but perhaps they have a way to login to their website to undo whatever security option you selected - you should contact them directly
mobilesupport@kaspersky.com
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