The FREE Cybersecurity Glossary by Thor Pedersen!

Erasure: The process of permanently removing data from a storage medium, making it irrecoverable. This is an important measure in safeguarding sensitive information from unauthorized access, particularly when decommissioning devices or when data is no longer needed. Erasure methods may include overwriting, degaussing, or physical destruction, depending on the sensitivity of the data and the security requirements.

Erasure Coding: A method of data protection in which data is broken into fragments, expanded and encoded with redundant data pieces, and stored across a set of different locations or storage media. The objective is to enable the reconstruction of data by using information about the data that's stored elsewhere in the network, thus providing high fault-tolerance.

ERM (Enterprise Risk Management): A comprehensive, systematic approach to managing all the risks that an organization faces. The aim is to maximize the firm's value by managing the potential impact of uncertainty on objectives. This approach includes identifying potential risks, assessing their likelihood and impact, developing response strategies, and monitoring progress.

ERP System (Enterprise Resource Planning System): A suite of integrated applications that a company uses to collect, store, manage, and interpret data from numerous business activities, including product planning, manufacturing, marketing and sales, inventory management, and shipping and payment. By automating and integrating core business processes, an ERP system enhances efficiency and supports informed decision-making within an organization.

Error: An unexpected or incorrect result produced by a piece of software or hardware due to faulty code, incorrect data, or unforeseen conditions. Errors can lead to system crashes, incorrect outputs, or data corruption, all of which can undermine the accuracy, reliability, and integrity of a system's operations.

Error and exception handling: The mechanisms and processes put in place in software systems to manage errors and exceptions. These mechanisms aim to gracefully handle unexpected or abnormal conditions (exceptions) that arise during a program's execution, thereby preserving system stability and data integrity. This could involve logging errors for further analysis, displaying user-friendly error messages, or recovering from an error state.