--- title: Virtel Blog - Mainframe modernization and security | Bruno Maunier description: Bruno Maunier leads development at IPLS (Virtel). His background is in network and information security — cryptography, certificates, secure communication — built over 19 years across IBM i and z/OS enterprise environments. He has worked on Virtel's SSO and MFA integration with RACF and PassTickets, and led production-security hardening for payment infrastructure at a major French bank. --- [![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) ## Bruno Maunier ![Bruno Maunier](https://blog.virtelweb.com/hubfs/BrunoM.jpg) Bruno Maunier leads development at IPLS (Virtel). His background is in network and information security — cryptography, certificates, secure communication — built over 19 years across IBM i and z/OS enterprise environments. He has worked on Virtel's SSO and MFA integration with RACF and PassTickets, and led production-security hardening for payment infrastructure at a major French bank. Find me on: ### Recent Posts [![](https://blog.virtelweb.com/hubfs/imgArticleBlogVirtel072026-1.png)](https://blog.virtelweb.com/the-audit-log-lied-when-ai-agents-borrow-a-humans-identity) ### [The Audit Log Lied: When AI Agents Borrow a Human's Identity](https://blog.virtelweb.com/the-audit-log-lied-when-ai-agents-borrow-a-humans-identity) by [Maxime Quartier](https://blog.virtelweb.com/author/maxime-quartier), [Bruno Maunier](https://blog.virtelweb.com/author/bruno-maunier) on July 6, 2026 8 min read  ## *What happens when an AI agent operates under a human's RACF identity on the mainframe?* On 17 July 2025, an... [Read More](https://blog.virtelweb.com/the-audit-log-lied-when-ai-agents-borrow-a-humans-identity) [![](https://blog.virtelweb.com/hubfs/articleBlog-june2026.png)](https://blog.virtelweb.com/when-obscurity-stops-protecting) ### [When Obscurity Stops Protecting](https://blog.virtelweb.com/when-obscurity-stops-protecting) by [Maxime Quartier](https://blog.virtelweb.com/author/maxime-quartier), [Bruno Maunier](https://blog.virtelweb.com/author/bruno-maunier) on June 3, 2026 8 min read  *AI-driven vulnerability discovery and the mainframe access layer* In early April 2026, Anthropic published a... [Read More](https://blog.virtelweb.com/when-obscurity-stops-protecting) ### Subscribe Here! [Contact](https://www.virtelweb.com/contact.html) [Privacy](https://www.virtelweb.com/privacy.html) [About](https://www.virtelweb.com/about/syspertec-group.html) [Legal](https://www.virtelweb.com/legal.html) Copyright © 2026 Virtel. All Rights Reserved ![Virtel-logo2025-fondSombre](https://blog.virtelweb.com/hs-fs/hubfs/Virtel-logo2025-fondSombre.png?width=1500&height=465&name=Virtel-logo2025-fondSombre.png "Virtel-logo2025-fondSombre")