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Why software maintenance is not optional but necessary
Software that isn't maintained becomes slow, vulnerable and incompatible over time. We explain what real maintenance includes.
"It works, so why touch it" is a common, understandable, but dangerous approach to business software — until one day the software simply stops working, or a security flaw is discovered and becomes a serious problem. Software "ages" and decays over time even without a single change in its own code, simply because the whole environment around it changes — operating systems, browsers, the libraries it uses, security standards.
What real, serious maintenance concretely includes
Regular security updates of libraries and dependencies (the ready-made code parts the software uses) — every library periodically gets fixes for discovered security flaws, and a system that isn't updated stays vulnerable to publicly known, easily exploitable holes.
Continuous monitoring of the system's availability and tracking of errors happening in real time, with alarms notifying the responsible people before users even notice a problem.
Regular backups and, equally important, periodic checks that data can actually be restored from that backup if needed.
Small, gradual changes and improvements based on the system's real use — watching how users actually use the system reveals improvement spots nobody could have predicted in advance during the original design.
The real cost of neglecting maintenance
A system not maintained regularly becomes ever slower, ever more vulnerable to security flaws, and ever harder for any further development — because the outdated, un-updated foundation must first be "repaired" before anything new can be built on it at all.
A "last-minute" fix, after something breaks seriously or after a real security incident, almost always costs significantly more — in money and in lost trust of users or clients — than regular, planned maintenance would have cost across the system's whole lifetime.
Nikola Cerić
Founder & CEO, Manage IT
More than 10 years of software development experience — in his own company and in major IT companies across the Balkans.