Essays On Fingerprinting
The first method measures data response processing times and takes advantage of the static and low-latency nature of dedicated ICS networks to develop accurate fingerprints, while the second method uses the physical operation times to develop a unique signature for each device type.
They may not be able to give a date or time, but this stamp on your hand, so to speak, can confirm that you were at a location, if indeed, you said you were not.
It could also mean that someone took a coffee mug that you used and placed it there.
In looking at fingerprints, this is similar to mapping out where a person may have been and as it relates to an investigation, if they could be tied to, or involved in a crime scene.
Because there is a large, national database that includes all criminal records and fingerprints, these can be readily accessed and tied to arrest records.