--- title: Virtel Blog - Mainframe modernization and security | TN3270 description: "TN3270 | 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." --- [![Virtel-logo202](https://blog.virtelweb.com/hs-fs/hubfs/Virtel-logo202.png?width=200&height=62&name=Virtel-logo202.png "Virtel-logo202")](https://blog.virtelweb.com/) - [Articles](https://blog.virtelweb.com/) - [Resources](https://www.virtelweb.com/support-resources/resources.html?utm_source=blog&utm_medium=blog_cta) - [Try Virtel](https://www.virtelweb.com/support-resources/virtel-demos-and-free-trial.html?utm_source=blog&utm_medium=blog_cta) - [Contact Us](https://www.virtelweb.com/contact.html?utm_source=blog&utm_medium=blog_cta) - [Virtel Web Suite](https://www.virtelweb.com?utm_source=blog&utm_medium=blog_cta) # Blog Virtelweb - [Mainframe](https://blog.virtelweb.com/tag/mainframe) - [3270 emulation](https://blog.virtelweb.com/tag/3270-emulation) - [applications mainframe](https://blog.virtelweb.com/tag/applications-mainframe) [![](https://blog.virtelweb.com/hubfs/MarshAvantApres.png)](https://blog.virtelweb.com/improving-mainframe-user-experience-marsh-and-mclennan-journey) ### [How Marsh McLennan Modernized a Critical 3270 Application with Virtel Screen Redesigner](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) [![](https://blog.virtelweb.com/hubfs/Virtel%20Blog%20-%20article%20banner%20-%20Sept%202024.png)](https://blog.virtelweb.com/mainframe-modernization-pain-and-gain-of-user-interface-transformation) ### [Mainframe Innovation: The Pain and Gain of User Interface Transformation](https://blog.virtelweb.com/mainframe-modernization-pain-and-gain-of-user-interface-transformation) by [Sebastian DEWAR](https://blog.virtelweb.com/author/sebastian-dewar) on September 30, 2024 Approaches to modernizing mainframe applications vary widely in scale and scope, with some taking on a total overhaul of... [Read More](https://blog.virtelweb.com/mainframe-modernization-pain-and-gain-of-user-interface-transformation) [![](https://blog.virtelweb.com/hubfs/blogVirtel01.jpg)](https://blog.virtelweb.com/replace-tn3270-emulators-and-session-managers-virtel-web-access) ### [Replace TN3270 Emulators and Session Managers with Virtel Web Access](https://blog.virtelweb.com/replace-tn3270-emulators-and-session-managers-virtel-web-access) by [Julien DUMEZ](https://blog.virtelweb.com/author/julien-dumez) on September 26, 2024  *Virtel Web Access is a browser-based 3270 emulator that eliminates your unneeded emulator licenses and costly session...* [Read More](https://blog.virtelweb.com/replace-tn3270-emulators-and-session-managers-virtel-web-access) [![](https://blog.virtelweb.com/hubfs/7-vulnerabikities-of-Terminal-Emulator.jpg)](https://blog.virtelweb.com/seven-vulnerabilities-of-thick-client-tn3270-emulators-that-compromise-mainframe-resources) ### [7 Vulnerabilities of Thick-Client TN3270 Emulators](https://blog.virtelweb.com/seven-vulnerabilities-of-thick-client-tn3270-emulators-that-compromise-mainframe-resources) by [Sebastian DEWAR](https://blog.virtelweb.com/author/sebastian-dewar) on April 18, 2024 Information security is paramount for any organization, regardless of size or industry, and especially so for those whose... [Read More](https://blog.virtelweb.com/seven-vulnerabilities-of-thick-client-tn3270-emulators-that-compromise-mainframe-resources) [![](https://blog.virtelweb.com/hubfs/ApplicationMenu.gif)](https://blog.virtelweb.com/tn3270-emulator-and-session-manager) ### [TN3270 Emulator and Session Manager: Cut Costs with Virtel Web Access](https://blog.virtelweb.com/tn3270-emulator-and-session-manager) by [Julien DUMEZ](https://blog.virtelweb.com/author/julien-dumez) on April 5, 2022 A study by McKinsey estimates that, on average, companies accelerated their digital transformation initiatives by as much as... [Read More](https://blog.virtelweb.com/tn3270-emulator-and-session-manager) [![](https://blog.virtelweb.com/hubfs/VirtelSessionManger.jpg)](https://blog.virtelweb.com/covid19-and-3270-applications-access-how-syspertec-bridged-the-gap) ### [The Growing Tension of Business vs IT During Covid-19 and How SysperTec Bridged the Gap](https://blog.virtelweb.com/covid19-and-3270-applications-access-how-syspertec-bridged-the-gap) by [Sebastian DEWAR](https://blog.virtelweb.com/author/sebastian-dewar) on February 15, 2022 As we embark on year three of the pandemic, digital transformation and IT modernization have a new catalyst – the seemingly ... [Read More](https://blog.virtelweb.com/covid19-and-3270-applications-access-how-syspertec-bridged-the-gap) [![](https://blog.virtelweb.com/hubfs/nasa-Q1p7bh3SHj8-unsplash.jpg)](https://blog.virtelweb.com/is-the-transition-to-ipv6-necessary-for-the-mainframe) ### [Is the transition to IPv6 necessary for the mainframe?](https://blog.virtelweb.com/is-the-transition-to-ipv6-necessary-for-the-mainframe) by [Sebastian DEWAR](https://blog.virtelweb.com/author/sebastian-dewar) on July 27, 2021 Set to replace IPv4 and developed since 1998, the deployment of the IPv6 next-generation protocol has taken ages to take... [Read More](https://blog.virtelweb.com/is-the-transition-to-ipv6-necessary-for-the-mainframe) [![](https://blog.virtelweb.com/hubfs/pexels-ono-kosuki-5648393.jpg)](https://blog.virtelweb.com/why-your-tn3270-emulator-may-not-be-as-secure-as-you-think) ### [Why your TN3270 emulator may not be as secure as you think.](https://blog.virtelweb.com/why-your-tn3270-emulator-may-not-be-as-secure-as-you-think) by [Julien DUMEZ](https://blog.virtelweb.com/author/julien-dumez) on June 1, 2021 Chances are that your employees access sensitive data through your IBM 3270 applications. Customer data, transaction... [Read More](https://blog.virtelweb.com/why-your-tn3270-emulator-may-not-be-as-secure-as-you-think) [![](https://blog.virtelweb.com/hubfs/carson-masterson-0mXw-dvuLok-unsplash%20(1).jpg)](https://blog.virtelweb.com/tn3270-3270-terminal-3270-applications) ### [TN3270, 3270 terminal, 3270 applications… What is 3270 ?](https://blog.virtelweb.com/tn3270-3270-terminal-3270-applications) by [Julien DUMEZ](https://blog.virtelweb.com/author/julien-dumez) on April 21, 2021 In our articles or on the web, you’ve no doubt come across the term « 3270 ». Though it may be common knowledge for... [Read More](https://blog.virtelweb.com/tn3270-3270-terminal-3270-applications) [![](https://blog.virtelweb.com/hubfs/blog_images/Articles/pexels-andrea-piacquadio-874242.jpg)](https://blog.virtelweb.com/what-is-the-best-alternative-to-replace-your-existing-terminal-emulator) ### [What is the best alternative to replace your TN3270 emulator?](https://blog.virtelweb.com/what-is-the-best-alternative-to-replace-your-existing-terminal-emulator) by [Julien DUMEZ](https://blog.virtelweb.com/author/julien-dumez) on December 14, 2020 The reason you’re asking this question is understandable. The promises heavy TN3270 emulators made years ago are starting to... [Read More](https://blog.virtelweb.com/what-is-the-best-alternative-to-replace-your-existing-terminal-emulator) ### Subscribe Here! 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