The device fingerprint identifies devices through information collected by a client run on an end user’s computer. This client generates a black box that contains all the available device information.
A black box will typically:
- Range up to 4,000 bytes (the average length being just under 1,000 bytes)
- Contain alphanumeric values and the following special characters: + / ; =
- Begin with 0200, 0400, 0500 or 0600
Generate black box content
What TO DO:
- You MUST include a hidden form field with a “ioBB” ID that will be populated with the value.
What NOT TO DO: