Cybersecurity Glossary: Terms Explained in Plain English | TecnetOne

What Is a Security Incident? Definition | TecnetOne Glossary

Written by Tecnet One | Oct 7, 2026, 5:38:47 PM

A security incident is any event that compromises or threatens the confidentiality, integrity or availability of a company's information or systems, such as unauthorized access, ransomware or the loss of a device with data on it. Not every alert is an incident: it becomes one when real or likely harm is confirmed.

How TecnetOne handles it: Incident Response

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