A security token is a physical device that users must possess to access a system. Authentication data must flow between both the user and the system to validate identities and access. A security token is the conduit for this data.

The Prevalence of Security Tokens

Passwords and personal identification numbers are ubiquitous in modern businesses. Most employees know that they must enter some set of credentials to access files, servers, and sensitive documents. Security tokens take this protection to the next level.

A security token can be as big as a key fob or as small as a microchip. They either hold information that verifies a person's identity or communicate with a database or third-party system that offers verification services.

How Do Security Tokens Work? 

Each year, hackers cause approximately