CTO AI Corner: How is AI changing custom software maintenance?

In professional software maintenance, automation has always been part of the setup. Still, many tasks have traditionally been left to humans. Things like resolving incidents or analyzing whether a reported vulnerability from a security scanner actually affects our systems. AI is starting to change maintenance work in several ways, but I see two major areas where it really makes a difference: analyzing situations for humans and automating new parts of service operations.

Shifting from manual analysis to guided insight

Analysis is where maintenance professionals spend a huge amount of time. There are constantly new cases where existing monitoring or documentation does not give a clear answer, and a human has to step in and investigate. AI can now take the first pass at this work. It can comb through massive amounts of log data, code, service status messages, and other signals to narrow down where the problem most likely is. Instead of starting from scratch, the human operator gets a focused summary and can move straight to fixing the issue. And faster fixes usually lead to happier customers.

Another important part of analysis is deciding whether action is needed at all. This is critical in security monitoring, but also useful for predictive maintenance and capacity planning. For known vulnerabilities, AI can analyze how an affected library is actually used, whether the service is reachable through firewalls, and whether the vulnerability realistically impacts the system. Based on that, it can suggest whether an urgent patch is required or if the fix can wait for a normal update window. The same logic applies to capacity planning. AI can help determine whether a recent load increase was caused by a software change, a temporary spike, or a longer-term trend that requires preparation for scaling.

Beyond rule-based automation

On the operations side, AI adds another layer to automation. Traditional automation reacts to predefined signals and performs simple actions, like restarting a service. Making those rules cover every possible scenario quickly becomes expensive and brittle. With AI, we can allow more adaptive behavior. The AI can be given access to a controlled set of basic operations and allowed to act only when standard automation has failed. It can try those operations, observe logs and metrics, and adjust its actions based on the results. If it reaches a situation where it is not authorized or confident enough to proceed, it can escalate to a human instead of guessing. That alone might save a few night shifts.

Read more about the effects of AI on software development roles:

February 26, 2026
ai-corner
Authors
Tomi Leppälahti
CAIO & CTO
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