ISO IEC 27001

ISO IEC 27001: Definition and Functions Explained

What is ISO IEC 27001?

ISO IEC 27001 issued by the International Organization for Standardization (ISO), and International Electrotechnical Commission (IEC). It is the leading international standard based on information security. Both are leading multinational organizations that are creating universal standards.

What is its Purpose

Designed to support organizations of any scale or sector. Done through the implementation of an Information Security Management System (ISMS). Thus securing the information in a comprehensive and cost-effective manner.

Why is ISO IEC 27001 Important?

The standard provides enterprises with the steps to safeguard their most sensitive records. Furthermore, businesses can also be ISO 27001 certified. Thus showing to its clients and associates that their data is secure.
By completing a course, individuals may also be ISO 27001-certified. Showcasing their skills to prospective employers in this manner.
Since it is an international standard, ISO 27001 is recognized around the world. Moreover, it is widespread among growing market prospects for companies and practitioners.

3 ISMS objectives

The basic aim of ISO 27001 is to secure three facets of the information:

  • Confidentiality: only designated individuals have the right to access the information.
  • Integrity: only the designated individual can alter the records.
  • Availability: the data must be available to designated persons whenever it is necessary.

What is ISMS?

The ISMS is a collection of guidelines that an organization must create to:

  • Identify investors and their perceptions of the business about information security
  • Identify the threats to the information
  • Establish controls (safeguards) and other prevention measures. This is to fulfill defined requirements and mitigate risks.
  • Set concrete priorities on what needs to be done in information management
  • Apply all measures and other types of risk treatment
  • Monitoring if the controls introduced performed as planned
  • Continue development to make the ISMS work better.

Companies can write down the set of rules as policies, protocols, and other forms of documents. Writing in the form of non-documented, existing processes, and technology is also possible. ISO 27001 specifies which records are required, i.e., which must remain at a minimum.

Functions of ISO IEC 27001

It preserves the confidentiality, integrity, and availability of data in an organization. This is done by determining what potential information issues might arise (i.e. risk assessment). Finally, identifying the necessary measures to stop the existence of those problems. For instance, risk mitigation or risk treatment.
Thus, the focus of ISO 27001’s core principle is on a risk assessment process. Figuring out where the risks are and then treating them. This is done through the application of safety controls (or safeguards).ISO 27001 requires an organization to record all controls in a document. Particularly, the Statement of Applicability.

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