Web Bug

Primary definition

Malicious code, invisible to a user, placed on web sites in such a way that it allows third parties to track use of web servers and collect information about the user, including internet protocol (IP) address, host name, browser type and version, operating system name and version, and web browser cookie.

Also known asweb beacon · tracking pixel · pixel tag · 1x1 GIF · clear GIF · invisible GIF
2 sources cited4 related termsReviewed Aug 10, 2026
Committee on National Security Systems Glossary CNSSI 4009-2015View source

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CNSSGC

Malicious code, invisible to a user, placed on web sites in such a way that it allows third parties to track use of web servers and collect information about the user, including internet protocol (IP) address, host name, browser type and version, operating system name and version, and web browser cookie.

Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024

Cite this term

Permanent URL · stable across revisions
Election Security Glossary. (2026). Web Bug. In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/web-bug

Sources

2 cited · last checked Aug 10, 2026

01

Committee on National Security Systems Glossary CNSSI 4009-2015
Committee on National Security Systems Glossary CNSSI 4009-2015

High consensus

View source

02

The Cyber Glossary
The Cyber Glossary

Multi-source

View source

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