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unauthorized access

/ʌnˌɔːθəˈraɪzdəd æksɛs/ · un.a.tho.rized.ac.cess
noun
  1. The act of gaining access to a system, data, or physical space without permission or authorization. The company's IT department investigated the unauthorized access to the server and identified the culprit.
noun
  1. A situation where an individual or entity gains access to sensitive information or resources without permission. The unauthorized access to the patient's medical records was a serious breach of confidentiality.
noun
  1. A security threat or vulnerability that allows unauthorized access to a system or network. The company patched the vulnerability to prevent unauthorized access to their network.
Did you know? The term 'unauthorized access' gained significant attention in the 1990s with the rise of cybercrime and the need for robust cybersecurity measures to prevent such incidents.
Written by Lexi Wordsworth, Dictionary Editor 1 lookups Added Jul 28, 2026