Question

Data security methods are very crucial nowadays. Explain any four techniques to secure data from unauthorised access.

Answer 1

I am taking down it in short inbox me in want bigger answer
1. encryption
2. strong passwords for sever based lockable stuff
3. using secure,verified and trust worthy servers, flash drives,mass data storage etc.
4. use firewall but this is irrelevant.
5. using your private data not in public (nor in cyber areas) cause they can cap private cookie and use it later

Answer 2

1.Authentication:It is the basis of access control mechanism which is essential in securing data. 2.Firewall:It is a software tool that protects the server ,a network or an individual computer from almost every attack by viruses & Hackers. 3.Data Backup:It is a method to secure data by making duplicate copies of the original data. 4.Encryption:It is a process of transforming data into an unreadable code which is transferred over the network.