Mainframe insights

What actually works in mainframe modernization

Analysis on modernization, DORA and the real limits of AI in risk-sensitive environments. Written for the people accountable for these systems.
The TSB Mainframe Migration Disaster: Planning for Guaranteed Failure
Article

The TSB Mainframe Migration Disaster: Planning for Guaranteed Failure

Are you considering a big bang modernisation? It might be a bad idea.
Why doormen are still around but lift operators disappeared
Article

Why doormen are still around but lift operators disappeared

A practical take on what AI can safely be used for today in a mainframe team
When tokens cost more than people

When tokens cost more than people

Learning new things is hard, and the same applies for AI agents. That's why token costs are going through the roof as agents don't remember what they've already learned.
DORA is a transparency mandate, not a migration mandate
Article

DORA is a transparency mandate, not a migration mandate

The European financial industry has had DORA on its risk register since its adoption in 2022, and the regulation has applied since 17 January 2025.
AI-driven Mainframe Modernization and Why it Has Failed to Deliver
Article

AI-driven Mainframe Modernization and Why it Has Failed to Deliver

AI in software development is not a completely new thing. In fact, already in the 80’s developers utilized “AI-tools”, like syntax highlighting to write code faster.

Turn legacy code into clear, accessible knowledge

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