These controls are essential in protected data that is in transit through the Internet or intranets. The most common measures of protecting information in a network include: access control that includes authentication and passwords, encryption, cable testing and firewalls. Access controls safeguards against dial-in attempt. It authenticates the personal identification number assigned to every user and also user passwords. It can also include biometrics. Encryption encodes regular digitized text into unreadable scrabbled text or numbers to be decoded upon receipt. It accomplishes three purposes:
- Identifying legitimate senders and receivers
- Preventing changing any transaction or message
- Accomplishes privacy
Cable testing is popular in LANS and is used to find faults that can occur with LAN cabling. It can also include protocol analysis which allows users to inspect the contents of information packets as they travel through networks. Firewalls are groups of systems that enforce an access control policy between two networks. They are commonly used as a barrier between secure cooperate network or any other internal network and the Internet which is always assumed to be insecure. The firewall follows state guidelines that either permit or block traffic. It is designed with clear and specific rules about what can pass through.
Kavungya answered the question on May 10, 2019 at 13:21
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Describe the data security controls.
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