Services/Cyber Security & Compliance solutions /Security Hardening services

Security Hardening

Tough love for your tech stack

Our security hardening service is like a deep clean for your infrastructure. We’ll streamline what you actually use and shut down what you don’t.

By reducing unnecessary services and tightening controls across systems, we help you shrink your attack surface and stick to your cyber strategy. Whether you're responsible for business-critical apps or community-facing services, we assess, audit, harden, and reinforce.

From mailbox rule protection to Microsoft Secure Score improvements, it’s about making practical changes that give you more confidence and less to worry about.

Why choose Nasstar?

From securing everyday tools like Office 365 to building long-term resilience into your infrastructure, we put strategy before stress.

Whatourexpertsays...

Cyber criminals are always looking for new and innovative ways to hack into organisations, so "hardening" your environment is vital for protecting your technology tools and solutions. At Nasstar, our security hardening service allows you to focus on business while we keep you safe and secure.

Justin BarkerEmployee Experience Practice Lead, Nasstar

Case studies

We’ve worked with several businesses to improve their security defences and protect against ever-changing cyber risks.

Energy & Utilities

Correla

What others have to say…

"Support, expertise, and tailored services from Nasstar played a crucial role in the successful and efficient migration and separation of our systems. Their seamless management of data and migration minimised disruptions, while their responsive and proactive approach and understanding of our business were extremely beneficial in delivering a project of this size."

Sandra Simpson

Chief People Officer

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Correla

FAQs

Security hardening is where organisations, such as Nasstar, help businesses to reduce their IT vulnerabilities. It can help to prevent cyber attacks and data breaches by improving the effectiveness of the business’ security defences. 

Cyber security hardening helps businesses protect against cyber threats by reducing their vulnerability to attacks. At Nasstar, we can do this in a number of ways through our security hardening service, from restricting admin privileges and adding more authentication measures to continuous monitoring and mailbox auditing.

When researching a provider for cyber security hardening services, there are several factors to consider to ensure you choose the right organisation for your business: 

Experience

References

Data security measures

Technical knowledge

Solution expertise

Industry expertise

Microsoft Office 365 Security Hardening services

Security hardening is a type of security measure that businesses can implement alongside other security solutions. The key difference is that security hardening places an emphasis on reducing a business’ vulnerability, rather than providing defensive measures.

Cyber security strategic assessments can help organisations comply with regulations by helping them identify vulnerabilities, evaluate their security posture, and make informed decisions about risk mitigation. 

A well-defined and proactive cyber security strategy can help businesses to address emerging threats and technologies by ensuring the business’ security efforts are adaptable and prepared for any eventuality.  

As part of your cyber security strategy, you should incorporate several elements that will support your organisation to address new threats. These include: 