‘Honeytokens: The Other Honeypot’

A paper by Lance Spitzner from back in 2003 in which he explains honeytokens, their huge power to simplicity ratio, and provides some good examples.

My highlights

The term honeytoken was first coined by Augusto Paes de Barros in 2003 on the honeypots mailing list.

[…]

A honeytoken can be a credit card number, Excel spreadsheet, PowerPoint presentation, a database entry, or even a bogus login. Honeytokens come in many shapes or sizes, however they all share the same concept: a digital or information system resource whose value lies in the unauthorized use of that resource. Just as a honeypot computer has no authorized value, no honeytoken has any authorized use.

[…]

For example, the credit card number 4356974837584710 could be embedded into database, file server, or some other type of repository. The number is unique enough that there will be minimal, if any, false positives. An IDS signature, such as Snort, could be used to detect when that honeytoken is accessed. Such a simple signature could look as follows.

alert ip any any -> any any (msg:"Honeytoken Access - Potential Unauthorized Activity";   content:"4356974837584710";)  

This concept can easily be extended beyond databases. File, web, or email servers can all have honeytokens embedded into them. Anything that has data can easily have additional bogus data added, bogus data that becomes our honeytoken.

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