What is a teaser and what is an audience

Teaser - Only showing a part of a clip or something to hook to audience 
Audience - The ones watching or viewing 

Bis the

As computers and other digital devices have become essential to business and commerce, they have also increasingly become a target for attacks. in order for a company or an individual to use a computing device with confidence, they must first be assured that the device is not compromised in any way and that all communications will be secure