Sift Science offers large-scale, machine-learning technology services that help e-commerce businesses detect and fight fraud. Its platform monitors clients’ site traffic in real time and alerts them instantly to fraudulent activity. The company helps businesses protect themselves from chargebacks, spammers, account takeovers, and more. Online businesses are able to send Sift Science user events, which are mined for identity, behavioral, and network patterns that correspond to past fraud. It also pools fraud patterns across its network of customers. Founded in 2011, Sift Science is headquartered in San Francisco, California, United States.