CIA Triad - Confidentiality, Integrity & Availability
C.I.A, is a well-known abbreviation that is known among those within the Information Security/IT community. In the world of information security you will find it in many books and articles when studying for certifications. So what is the CIA triad and how does it fit within information security? CIA triad is a model designed to guide company policies on information security and are considered the three most important pillars within information security. Confidentiality The letter ‘C’ is short for Confidentiality and should be used to identify sensitive data viewed only by those with the correct permissions. There are two types of data; data in motion and data at rest . Data in motion: is data that is traversing through a network or a series of networks to a destination. Imagine the following, a Postman has a letter he has picked up from the depot and it is addressed to you. He puts the letter in his bag along with other letters for your neighbors and proceeds to the area to deli...