Glossary
Welcome to the Glossary! Whether you're already familiar with some of these terms or you're just becoming acquainted, our top-level glossary is a great resource for learning all of the relevant goods. Scroll through the full list below, search by term, or select by individual letter.
zero trust
A security concept centered on the belief that organizations should not automatically trust anything inside or outside their perimeters and instead must verify anything and everything trying to connect to systems before granting access.
zero-day attack, zero-day exploit
An attack that exploits a previously unknown hardware, firmware, or software vulnerability.
ZIP file (ZIP)
A ZIP file can be created to package, compress, and encrypt one or more files. ZIP files are very useful for reducing disk space, minimizing transmission times, and for keeping related files organized together.