Legacy software refers to outdated software or technology that is still in use by organisations. They typically use older programming languages, architectures, and hardware.

As the business landscape evolves, and new laws/regulations, threats, management styles, and budgets arise, organisations may need to quickly adapt. Legacy systems must be analysed to ensure they are meeting demand, and if they are not, register the risk and plan for mitigation.

At a Glance

Challenges

Outdated technology
Increased business risk
High maintenance costs

Solutions

Updates and patching
Migration
Modernisation techniques such as encapsulation

Legacy systems are likely still in use if they are part of an organisation’s core business processes. These may be bespoke, and tailored to an organisation’s specific needs, making them difficult to replace without major changes.

If the cost or risk associated with maintaining legacy systems outweigh the benefits, they should be modernised. Factors such as security vulnerabilities, performance, scalability, and availability should be considered when evaluating the need for upgrades or replacement.

In short, yes. This can be done through integration and hybrid approaches, which allows organisations to slowly transition functionality from legacy systems to modern ones whilst maintaining continuity. Some issues may arise if integration protocols are incompatible.

Organisations can mitigate risks by ensuring proper maintenance of their systems. This includes implementing additional security measures, conducting regular risk assessments, and keeping patches up to date or upgrading the system.

Yes. Some approaches involve updating the systems infrastructure, complete migration, or using modernisation techniques such as encapsulation.

How Can Responsiv Help?

Responsiv has a wealth of knowledge around legacy modernisation.

Responsiv Assist Extended Support – for IBM software and middleware when you aren’t ready to upgrade or are in the throes of a migration
IBM software upgrades – providing you with licences and skills to upgrade your estate
Responsiv Cloud Platforms – wraparound your legacy systems and access new integration and automation capabilities as well as a modernised look and feel whilst maintaining the core system