IT Operations

How to Modernize (Outdated) Legacy Systems in Your Business

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Written by Abhishek Pattanaik

Old technology always receives a fatal wound but dies a slow death. It is because people still hold on to it due to an unwillingness to change. While this may not affect those who still use a Nokia feature phone which received its last update a decade ago, it can hamper the growth of your business.

A lot of legacy systems are critical to the smooth functioning of a business. Owners worry that altering them would leave their business vulnerable, but leaving them as they are can present major security threats and cause efficiency lag. You must start changing your IT operations because legacy systems age like milk, not like wine.

Legacy systems require the correct plan of action to be upgraded

Before knowing how to fix outdated technology, understanding the issues it creates is a must.

Why Legacy Systems Will Fail You

The failure of a business is linked to their inability to keep up with technological changes.

Lack of Updates

Since they are outdated and no longer supplied by most vendors, they do not receive any updates. This leaves them open to security risks and cyberattacks. Technical assistance and patches to manage these risks are out of the picture because there are no new updates available for your system. Data breaches can lead to a damaged reputation among consumers.

Decreased Efficiency

Today’s business landscape is ever-changing, and to sustain business operations while ensuring growth requires the right technology. Legacy systems operate at a slower pace and require more attention from administrators. This diverts resources, which slows production and business performance.

High Maintenance Costs

A system that is expensive and difficult to maintain puts an unnecessary burden on the company’s finances. Updates are limited to the last one provided by the vendor, so finding qualified technicians to do patchwork and repairs will be a costly business.

How to Modernize Your System

Deciding to upgrade your outdated technology that endangers your business is the right step. But how do you go about it?

Identify the Problems in Your Existing System

First, you must identify the shortcomings of your existing system. Explore the inventory of your applications to ascertain who is responsible for what and which processes require upgrades. Make sure to have the current and future plans of your business in mind while testing the performance and security of your systems. Note down all the life cycles, warranties, last available update, and other crucial details. Keep a list of this information in one place for easy access.

Create a New System

After finalizing your list, draft a new system that involves a cloud-based system like software-as-a-Service (SaaS), which hosts your applications online. Find the important stakeholders and add them to the decision-making process.

Incorporate Your New system into Your Existing System

You will not be able to replace your entire system in one go due to budget constraints and other reasons. Instead, focus on combining the two systems based on the application and its performance, security, update availability, and so on. This gradual migration will keep the IT landscape of your business up to date while solidifying your business base.


Upgrading your legacy systems is not a one-time thing. It must be done as per the technological changes in the industry. It requires a regular commitment of business resources but delivers guaranteed security and performance to your firm. Understand why holding on to outdated technology presents serious concerns, and combine your systems at the start to minimize any business disruptions.

About the author

Abhishek Pattanaik

Abhishek, as a writer, provides a fresh perspective on an array of topics. He brings his expertise in Economics coupled with a heavy research base to the writing world. He enjoys writing on topics related to sports and finance but ventures into other domains regularly. Frequently spotted at various restaurants, he is an avid consumer of new cuisines.