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. A data breach is also known as a data spill or data leak.
Decoding is the process of converting code into plain text or any format that is useful for subsequent processes. Decoding is the reverse of encoding. It converts encoded data communication transmissions and files to their original states.
Most computers use an encoding methodology to transfer, save or use data. Data to be encoded are transformed via an encoding mechanism (for example, the American Standard Code for Information Interchange (ASCII) or BinHex) and transmitted via a communication medium.
As an example, when sending an email, all data, including certain attachments and images, are encoded using a format such as Multipurpose Internet Mail Extensions (MIME). When data arrives, decoding converts the email message content to its original form.
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