40 Algorithms Every Programmer Should Know

Understanding the Sensitivity of the Data

It is important to understand the classified nature of data. We also need to think about how serious the consequences are if the data is compromised. The classification of the data helps us choose the correct cryptographic algorithm. There is more than one way to classify data, based on the sensitivity of the information it contains. Let's look at the typical ways of classifying data:

• Public data or unclassified data: Anything that is available for consumption for the public. For example, information found on a company's website or a government's info portal.

• Internal data or confidential data: Although not for public consumption, exposing this data to the public may not have damaging consequences. ...