Taking a strategic approach to Zero Trust

March 31, 2021
Pouya Koushandehfar
Data Protections

Trust is more vital than ever as people live, work, and socialise more on digital channels. We have seen the blurring of lines between word and play, and work devices are increasingly being used for personal activities.Organisations are struggling to match the casualisation of their mobile workforces with the need to lock down access to authorised users to protect sensitive company and client information.As explained in Best Practise Security Measures for Remote Work, organisations need to consider security approaches that ensure the protection of their people, devices, apps and data. By taking a "zero trust" view of security, organisations can better adapt themselves to the complexity of today's modern environment with mobile workforces.

What is Zero Trust?

Zero Trust is a holistic security approach based on the assumption that you cannot automatically trust anyone or anything inside or outside the corporate environment. Instead, a Zero Trust approach assumes that you must validate and verify any request to access systems or information, regardless of where the request originates or what resources it accesses.Zero Trust takes the mantra: "never trust, always verify". Every access request is fully authenticated, authorised, and encrypted before granting access.

How does Zero Trust work?

Zero Trust looks at the six foundational elements of every digital element of an organisation's digital transformation. These elements include identities, devices, data, applications, infrastructure, and networks.

Zero Trust relies on three main principles:

  1. Verify explicitly
  2. Use least privileged access, and
  3. Assume a breach

Verify explicitly

This principle ensures that every access request is authenticated and authorised based on multiple conditions or criteria. These criteria include user identity, device health, location, data classification and any anomaly.

Use least privileged access

The IT or security team must restrict user access to platform or services from a risk-based approach, which includes "Just-In-Time" and "Just-Enough-Access" approaches. Doing so will help protect organisation's information as well as productivity.

Assume a breach

Assuming a breach has already happened will help organisations to consider security control and policies that will reduce the breach and prevent advanced attacks by lateral movements. In addition, this forces administrators to ensure all sessions are encrypted end to end while taking advantage of analytics to detect threats and get better visibility to improve their defence strategy.

How to adopt Zero Trust?

The three steps of Zero Trust adoption includes planning, implementation and measuring the progress. These steps require a high level and deep view of an organisation's security landscape to improve its security posture.Byte is a trusted Microsoft Security Gold Partner, and we have collaborated with our clients' business and technical teams to adopt Zero Trust framework based on their organisation's risk, strategic goals and requirements.Talk to us to find out how to protect your business against security risks and threats.

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