What measures can you take to curb online frauds ?

The measures that can be taken to curb online frauds are as follows:

1. A monitoring official body that ensures the authenticity of e-commerce company and delivery of goods/services as promised.
2. Strong security mechanism by the e-commerce site and payment gateways to prevent stealing of crucial information.
3. Official guidelines and safeguards on the selling of users' data to third parties.