Information Security

information security

Understanding Information Security

Information Security is the method for the protection of computers, data, software, network, and anything related to Information Technology. It’s not only about securing data from unauthorized sources. This is basically the prevention of unauthorized access, use, disclosure, disruption, modification, inspection, recording, or destruction of information. IT Security is like an umbrella. It includes network, internet, endpoint, API, cloud application, container security, and more. Also, it is about establishing a different set of security strategies that work together to help protect your digital data. Overall, this is a type of security that is inbuilt, rather than bolted on.

What is Information Security?

IT Security is the set of cybersecurity strategies that helps in preventing unauthorized access to organizational assets. For example, computers, networks, and data. Also, it helps in maintaining the integrity and confidentiality of sensitive information. Additionally, blocking the access of sophisticated hackers.

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How is Information Security Useful?

Hackers are getting smarter every day. So, it’s important to protect your digital assets and network devices. A significant breach of your data can cost your organization a huge amount. Rather than facing this loss, it’s important to provide your organization Information Security. Moreover, it can always help the organization to follow a risk management tool to gain control of the situation.

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This infographic will tell you about information security and its facts and figures.

Information Security
Information Security
Facts on Information Security
Facts on Information Security
Stats on Information Security
Stats on Information Security

Objectives of Information Security

IT Security programs are built around 3 major objectives. Those are commonly known as CIA- Confidentiality, Integrity, Availability. Let’s discuss these things in detail.


This objective states that information is not disclosed to unauthorized individuals, entities, and processes. For example, if an individual says that they have a password for their account and while they were entering the password for login, someone saw it. In that case, a particular individual’s password has been compromised. Along with this, his confidentiality has been breached.

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This indicates maintaining the accuracy and completeness of data. Integrity clearly states that data cannot be edited in an unauthorized manner. For example, if an employee leaves an organization. Then, in that case, the data for the employee in all departments should be updated. Like, accounts, roles, and major information should be updated to reflect the status job left so that data is complete and accurate. Additionally, only an authorized person should be allowed to edit employee data.


It indicates that the information must be available when needed. For example, if one needs to access the information of a particular employer. In order to check whether the employee has outstayed the number of leaves. In that case, it requires collaborations from different organizational teams. Like, network operations, development operations, incident response, and policy/ change management.

Apart from this, there are few more principles that govern IT Security programs. These are- Non- repudiation, Authenticity, and Accountability.


This states that one party cannot deny receiving a message or transaction. Also, nor the other party can deny sending the message or transaction. For example, in cryptography, it is sufficient to show that message matches the digital signature signed with the sender’s private key. Also, that sender could have sent a message and nobody else could have altered it in transit. Data integrity and authenticity are prerequisites for non-repudiations.


It means verifying that users that say they are, are from a trusted source. Also, each input arriving at a destination is from a trusted source. This principle guarantees the valid and genuine message received from a trusted source through a valid transmission.


This states that it should be possible to trace the actions of an entity uniquely to that entity. For example, as we discussed in the Integrity section, Not every employee should be allowed to make changes in other employees’ data. To make changes there should be a separate department in an organization that should be entirely responsible for making such changes. In case, they receive a request for changing the information then the letter must be signed by a higher authority. For example, the Director of the organization. Additionally, the person allotted for making such changes, they do while verifying every detail of the person. Like, their biometrics, etc.

At the core of Information Security is Information Assurance, which means the act of maintaining CIA of information, ensuring that information is not compromised in any way when critical issues arise. These issues are not limited to natural disasters, computer/server malfunctions, etc.

Thus, the field of information security has grown and evolved significantly in recent years. It offers many areas for specialization, including securing networks and allied infrastructure, securing applications and databases, security testing, information systems auditing, business continuity planning, etc.

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Difference between Information Security and Cyber Security

The terms cybersecurity and information security are used interchangeably. Both of them are used for protecting information and providing security to computer systems from threats and information breaches. Cybersecurity and information security are so closely linked that they may seem synonymous and unfortunately, they are used synonymously.

Basic Difference

Cybersecurity is the practice of protecting the data from outside the resource on the internet whereas information security is all about protecting information from unauthorized users, access, and data modification or removal in order to provide confidentiality, integrity, and availability.

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