Cybersecurity Glossary


Q3 2017

The Editors at Cybersecurity Ventures bring you a collection of top cybersecurity glossaries and dictionaries for newbies, students, teachers, IT professionals, the media, researchers, and cybersecurity experts.


5 cybersecurity dictionaries we use, and you should too

stevemorgancvheadshotSteve Morgan, Editor-In-Chief

Menlo Park, Calif. – Aug. 8, 2017

Looking for a good source of cybersecurity terms and definitions? Look no further… here’s 5 top glossaries that provide definitions for cybersecurity, cybercrime, and cyberwarfare terms. Our editors use these handy directories, and you should too.

A to Z of Data Threats

Sophos, a leading IT security company, provides a thesaurus containing an alphabetical listing of data threats. This guide is written in plain language, not security jargon. So it’s perfect for IT managers and end users alike. And the more you know about individual threats, the better prepared you’ll be to defend against them. A PDF version is here.

Cybersecurity Lexicon

National Initiative for Cybersecurity Careers and Studies (NICCS), on its official website of the Department of Homeland Security (DHS), provides a glossary containing key cybersecurity terms that enable clear communication and a common understanding of cybersecurity definitions.



Glossary of Security Terms

SANS Institute, a leading information security training, certification, and research firm, provides a comprehensive alphabetical and keyword searchable directory of security and related IT terms. This is a handy reference for any security or IT pro.

List of Cyber Definitions

NATO Cooperative Cyber Defence Centre of Excellence (CCDCOE), a NATO-accredited research and training facility, provides an extensive list of cyber definitions. There are no common definitions for cyber terms – they are understood to mean different things by different nations / organisations, despite prevalence in mainstream media and in organisational statements. Given this ambiguity, the glossary aims to provide a picture on how nations / states and different institutions, interpret and approach cyber.

Global Cyber Definitions Database

The Global Cyber Definitions Database, provided by the Cybersecurity Initiative from New America — a think tank and civic enterprise committed to renewing American politics, prosperity, and purpose in the Digital Age — houses over 400 cyber and information security related definitions from around the world. The keyword searchable database contains definitions from international organizations, standard setting bodies, states, and other sources such as the Oxford Dictionary on Computing.

Steve Morgan is founder and CEO at Cybersecurity Ventures and Editor-In-Chief of the Cybersecurity Market Report and the Cybersecurity 500 list of the world’s hottest and most innovative cybersecurity companies.

Stay tuned for the Q4 2017 edition of the Cybersecurity Glossary.