Report: Fraudsters Bank on Targeted, High-Value Attacks During 2020 Holiday Shopping Season While e-commerce merchants see massive sales surge, average fraudulent purchase value jumped 70% year-over-year in October and November 2020. SAN FRANCISCO - December 17, 2020 -- Sift, the leader in Digital Trust & Safety, today released its Q4 2020 Digital Trust & Safety Index: Holiday Fraud and the Shifting State of E-commerce, which revealed that fraudsters are executing larger and more targeted attacks this holiday season. Derived from Sift’s global network of over 34,000 sites and apps, the Index found the average attempted fraudulent purchase value rose to over $700 from October through November 2020, a 70% year-over-year increase