"define cookie"

A cookie is a text file saved into your browser by pages you visit.

Cookies can be useful, like when they help your bank's web app remember who you are, so that you don't have to login again when you go from the dashboard to, say, your credit card account. Cookies can also be badly misused.


Information Technology (IT) Glossary
This is a focused list of definitions, published to help our readers understand what we mean in our simple language guides on techniques and IT.