IBM Z Mainframe

A Decade of Development: The Open Mainframe Project and the Open Source Revolution

Founding members Steven Dickens, Len Santalucia and John Mertic reflect on the democratization of the mainframe ecosystem

Recapping a Year of ‘z/OS and Friends’

Joe Gulla reviews his year of mainframe exploration, indexing the 24 articles he wrote on the mainframe's architecture

The Mainframe DBA: From Custodian to Strategist in the Age of Intelligent Automation

New models and tools mean database administrators can now focus less on routine tasks, and more on higher-level functions, Craig Mullins writes

2025 TechChannel Rising Stars

TechChannel recognizes early-career technologists who have already made outstanding contributions to the IBM Z and IBM Power ecosystems.

Explaining Mainframe Security to Your CISO

Mark Wilson of Vertali explains how to help your CISO understand the threats that face the mainframe despite its reputation for security

ISVs Push Back Against zPDT Sunsetting

The platform allows ISVs to test their products on-premises in an emulated z/OS environment, but only for another 13 months

Mainframe Security: The Future Is Here

Beyond Legacy: The Modern Language Ecosystem of z/OS

For "z/OS and Friends," Joe Gulla catalogs the broad and ever-evolving range of programming languages on z/OS

How the DBA’s Role Transforms in the Hybrid Cloud Era

Craig Mullins looks at the shifting environment facing DBAs, who are now tasked with navigating an increasingly interconnected digital landscape

Why Mainframe Security Postures Vary So Widely

Phil Young, director of mainframe penetration testing at NetSPI, describes the most commonly omitted security controls, and why they get skipped