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What I learnt at Work: What is Encryption and data signing ?
What is Encryption?
Encryption is a way of hiding the true meaning of the information. This happens by converting the information into secret code . In technical terms, it is the process of converting human-readable plaintext to cipher-text so that only authorised and trusted parties can read the information.
Encryption requires the use of a cryptographic key: a collection of mathematical values. Both the sender and the recipient of an encrypted message must agree on this cryptographic key. The transmitted digital data is secured on the cloud and computer systems in data encryption. There are two types of digital data, transmitted data also known as in-flight data and stored digital data also known as data at rest.
Why is data encryption necessary?
Online activities like browsing general information on web browsers, sending and recieving emails, being active on social media, etc. have become a part of our lives to such an extent that we can no longer live without them. The data that we constantly look at or share online is getting stored somewhere. But have you ever thought what is that “somewhere” ? Your data, which is stored online can be visible to the telecom companies carrying the Internet packets. This could lead to the interception of your private and secure communications.
Many cases have already proven, user’s and company data is increasingly being targeted by cybercriminals and hackers leading to data breaches and targeted attacks. This reason alone should be enough to warn those who haven’t considered protecting their communications via encryption.
The main purpose for encryption of data stored in your computer and devices — even if it is secured by passwords — is to ensure your privacy, protection of your data, and secure property. This is also known as endpoint encryption. It basically adds an extra layer of protection for the confidential information residing on your PC and devices.
Encryption works best if it is present and automatic. It should be enabled for everything by default, not a feature you only turn on when you’re doing something you consider worth protecting. — “Bruce Schneier”
