Streaming Similarity Search for Fraud Detection – Smyte Blog – Medium

Streaming Similarity Search for Fraud Detection – Smyte Blog – Medium

There are a large number of bad actor pseudonyms on the internet, but there are a relatively small number of actual bad actors. What do I mean by this? Let us consider a spammer. The person or company that produces the spam is the actual bad actor. The spammer assumes a number of pseudonyms, distinguished perhaps by email address and/or login name. If we look closely at the behavior of these actors, we can see patterns. Do they use the same credit card number? Did they create their accounts from the same machine or around the same time? Etc. If so, then we need only identify one pseudonym and then find other pseudonyms that exhibited similar behavior.

Read full article from Streaming Similarity Search for Fraud Detection – Smyte Blog – Medium