Telecommunications Fraud Detection, Using Social Networks for
These are statistical profiles of entities based on transactional data. These signatures, like our handwritten ones, evolve through time
- Social Networks
These are the networks or graphs created by the communication patterns, friendships, or trust relationships between individuals
- Telecommunications Fraud
This occurs when someone uses or sells telecommunications services with no intention to pay for that service
Telecommunications fraud can be challenging to detect and eradicate for service providers. This entry describes one effective way of finding new cases of fraud through mining the network of relationships which emerges from the transactional data collected in the network. For each entity in the network, the social network – or community of interest (COI) – is observed and analyzed to look for patterns which might indicate fraud. The COI are updated regularly via an exponentially...
I thank Deepak Agarwal, Rick Becker, Robert Bell, Corinna Cortes, Shawndra Hill, Daryl Preg-ibon, and Allan Wilks, who were all key contributors to the methodologies and applications described here.