It's a comprehensive package of antivirus, antimalware etc that has to be paid for. Many users of these forums prefer to use freebies which seem to work equally well (MSE, Avast!, AVG etc). It pretty much runs itself once installed.
Xiaomi Mi Mix 2 review
What went wrong at the Designs of the Year 2017
iPhone X news: Release date, price, new features & specs
Comment créer, modifier et réinitialiser un compte Apple ?