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Glossary of terms and definitions for IT (Information Technology), the Internet and cyber security.
This glossary provides more than 480 clear and concise definitions of commonly used terms in the fields of information technology, the internet, and cyber security. It is designed to support users of all levels in understanding key concepts, technical jargon, and acronyms frequently encountered across digital platforms and security-related discussions. Whether you are a business owner, student, professional, or simply interested in the digital landscape, this resource aims to enhance your knowledge and confidence in navigating the ever-evolving world of technology.
A type of non-volatile storage in a computer that contains permanent data and instructions, which cannot be easily modified or erased by the user.
Example: The computer's firmware is stored in ROM, ensuring it remains intact even when powered off.
A username and password that has been stolen or exposed, allowing unauthorised access to accounts.
Example: Hackers use compromised credentials from a data breach to log into victims' email accounts.