What Does Data Breach Mean?

A data breach is an incident that involves the unauthorized or illegal viewing, access or retrieval of data by an individual, application or service. It is a type of security breach specifically designed to steal and/or publish data to an unsecured or illegal location.

Techopedia Explains Data Breach

A data breach occurs when an unauthorized hacker or attacker accesses a secure database or repository. Data breaches are typically geared toward logical or digital data and often conducted over the Internet or a network connection.