IT Management System - ISO 27001

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IT Management System - ISO 27001

Information security affects organisations of all sizes and from all industries, presenting a unique problem of inherent vulnerability.

Even organisations that seem well protected and secure can unknowingly have their sensitive information leaked until it is too late to respond. All information from any department is at risk from several real threats, whether the information is on a hard disk, paper file or in the minds of the management and employees.

Currently, information security is not just a simple problem for IT managers. Even a single breach of information security can cost your company millions in profits while also damaging your business image and reputation irreparably. Your organisation’s ability to maintain and manage profits relies on your capacity to mitigate cybersecurity risk efficiently.

Since there is a continuous increase in the cases of reported information security breaches, the need for developing a management framework intensifies for information security. This brings us to the ISO 27001:2013 standard for creating an information security management system (ISMS). Once you begin using ISO 27001, your ISMS can undergo auditing and registration by a third party. This significantly adds value to the effectiveness of the management system.

What is ISO 27001?

The ISO 27001 information security standard is an enabling mechanism that ensures that information can be shared such that there is complete protection of the information and its associated assets.

Purpose of ISO 27001

The main purposes of the ISO 27001 security standard are as follows,

  • Create a common basis for the development of an organisation’s security standards
  • Improve the security management system to include the industry best practices
  • Build trust and confidence in the various dealings between organisations

Threats covered in ISO 27001

The threats covered in ISO 27001 relate to people, processes and technology and are listed below.

  • Virus and hack attacks: Malwares such as viruses and worms, and hacking attempts can affect the integrity, confidentiality, and availability of critical business data, leading to data loss or breaches.
  • Application vulnerabilities: The vulnerabilities in software applications such as unpatched security or misconfigured firewalls can be exploited by attackers to get unauthorized access.
  • Theft: Physical theft of devices (laptops, servers, or storage devices) and stealing of digital assets can result in the leak of confidential information.
  • Disgruntled employees: Former or current employees with bad intent can misuse their access to critical information, causing data leaks or security breaches.
  • Availability of business process: Any disruptions to key business processes due to cyber attacks or system failures can negatively affect an organisation’s ability to function and provide services.
  • Unauthorized access and espionage: Intruders can attempt to gain unauthorised access to sensitive data for malicious purposes, like stealing intellectual property or engaging in corporate espionage.
  • Information leakage: The accidental or intentional leak of confidential information, either through human error or malicious activity, can lead to financial losses, reputation damage, or legal consequences.

Parameters upheld in ISO 27001

The key parameters upheld in the ISO 27001 are as follows

A) Confidentiality – need to protect sensitive information
B) Availability – providing access to information and other resources to continue business operations C) Integrity – ensuring that information is complete and accurate

Procedure to gain ISO 27001 certification

Below are the steps for receiving the ISO 27001 certification.

  • Define your organisation’s business objectives
  • Perform an information risk assessment procedure
  • Make a SOA
  • Create a risk handling plan
  • Design the policies for information security
  • Define the business continuity management plan
  • Redesign the information security architecture
  • Create and rollout the risk mitigation plans
  • Impart awareness in your organisation
  • Conduct a pre-assessment session
  • Prepare for the audit by the certifying body

Features and Benefits of ISO 27001

Security organisation

An established management framework that will initiate and control the implementation of information security in an organisation and help manage the ongoing protection of information.

Information security

Provides well defined job descriptions and responsibilities for the staff working in security roles

Physical & environmental security

A proper and concise definition of the security requirements regarding your premises and the people inside them

ISMS policy

A document which demonstrates the management’s commitment and support for the Information Security Management System process

Asset classification

An in-depth inventory of assets along with allocation of responsibility to ensure the maintenance of effective security

Organisational controls

These are the policies, responsibilities and procedures that help improve an organisation’s information security. Information security roles and responsibilities, management responsibilities, threat intelligence, classification and labelling of information, information security for use of cloud services, intellectual property rights come under organisational controls.

Access controls

Management of organisation network to ensure only those with the necessary responsibility have access to information in the network as well as ensuring the protection of supporting infrastructure

People controls

These are measures to ensure that employees have the right knowledge and understanding to handle information in a secure way. Background verifications, information security training, remote working, information security event reporting are some of the controls under people controls.

Physical controls

These include measures that protect information and information systems physically. Physical security monitoring, storage media, equipment maintenance, and security of offices and facilities comes under this.

Technological controls

These controls ensure the protection of information security technologies, including software and hardware components, against cyberattacks through the encryption and authentication of data, safeguarding of user endpoint devices, networks security, secure coding, to name a few.

Communications & operations management

Optimisation of your organisation’s communication to support smooth operation of the ISMS.

Compliance

Demonstrating to authorities, clients and employees on your commitment to meet the regulatory or statutory requirements of information security

Systems development & maintenance

Making sure all the IT projects and supporting activities are handled in a secure manner using data control and encryption

Business continuity management

A controlled process for the development and maintenance of business contingency plans that protect critical business processes from major failures.

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