---
title: Virtel Blog - Mainframe modernization and security | témoignage
description: "témoignage | In this blog you will find helpful information to fully benefit from your z/OS systems: \nLearn more about 3270 emulation, modernization, and security. \nOptimize your mainframe costs and train your teams to z skills.\nStay informed with the latest news in the industry."
---

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[![](https://blog.virtelweb.com/hubfs/MarshAvantApres.png)](https://blog.virtelweb.com/improving-mainframe-user-experience-marsh-and-mclennan-journey)

### [Improving Mainframe User Experience: Marsh McLennan’s journey to transform a crucial 3270 application into a modern web interface](https://blog.virtelweb.com/improving-mainframe-user-experience-marsh-and-mclennan-journey)

 by [Sebastian DEWAR](https://blog.virtelweb.com/author/sebastian-dewar) on November 4, 2024

Modernizing business applications is a critical need for many large enterprises, who rely on these powerful legacy systems...

[Read More](https://blog.virtelweb.com/improving-mainframe-user-experience-marsh-and-mclennan-journey)

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