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Modernising Your Defence: Why It's Time to Say Goodbye to Legacy Systems

In today's fast-paced digital world, cyber threats are becoming increasingly sophisticated, and organizations of all sizes are at risk of being attacked. Small and medium-sized enterprises (SMEs) are particularly vulnerable to cyber-attacks due to limited resources and outdated technology. This is why modernising your defence is crucial to protecting your business and ensuring its longevity.

Legacy systems, while once the backbone of many businesses, are now outdated and can leave your business open to vulnerabilities. These systems are often slow, unreliable, and difficult to update or patch. Additionally, legacy systems are often no longer supported by their manufacturers, leaving them open to exploits and cyber-attacks.

What is a Legacy System?

A legacy system is an outdated or obsolete computer system, software application, or technology infrastructure that continues to be used by an organisation, even though more modern and efficient alternatives are available. These systems have been in place for a long time and may have been integral to the organization's operations, but they often lack features, performance, and compatibility with current technologies.

Modernising your defence means taking a proactive approach to cyber security. It involves updating your systems to the latest technology, implementing new security protocols, and regularly reviewing and updating your defences. This can be a daunting task, but it's essential to the long-term success of your business.

What are the benefits of modernising your defence?

  1. Improved Security

Modernising your defence means implementing the latest security protocols and technology, such as firewalls, intrusion detection systems, and antivirus software. These measures help protect your business from cyber threats and ensure your data is secure.

  1. Increased Efficiency

Legacy systems are often slow and difficult to use, leading to decreased productivity and frustrated employees. By modernising your defense, you can implement new technology that streamlines processes and improves efficiency.

  1. Better Customer Experience

Modernising your defense can also lead to a better customer experience. By implementing new technology and security measures, you can improve your website's performance, ensure your customers' data is safe, and provide a seamless user experience.

  1. Competitive Advantage

Finally, modernising your defence can give you a competitive advantage. By investing in the latest technology and security measures, you show your customers and competitors that you take cyber security seriously and are committed to protecting your business and its data.

In conclusion, modernising your defence is essential to protecting your business from cyber threats and ensuring its longevity. It involves implementing the latest technology and security measures, reviewing and updating your defences regularly, and taking a proactive approach to cyber security. By doing so, you can improve your security, increase efficiency, provide a better customer experience, and gain a competitive advantage.

If you're an SME looking to modernise your defence, consider joining the Cyber Resilience Centre for London free membership scheme. This scheme offers a range of resources and support to help SMEs improve their cyber security defences. Sign up today at

Written by:
Tom Lejava
07 November 2023