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Specified minimum order amount check

You can decide if the single order amount under a certain limit must be marked as a potential fraud check. To do it, you must enable the option Enable order amount check (for orders not reaching the below specified amount).

For example, if you have a shop with expensive products and the minimum order amount that a “normal customer” usually places is about $2000,-.

Based on that, you decide to set the threshold to $1000,- (through the option Minimum Amount).

If a customer visits your shop and places an order of $800,- it will be marked as suspicious.

Check on orders not reaching minimum amount

Attempt count check

This rule allows you to set the maximum number of orders from the same IP address in a given time frame (hours). Any additional order in the same time frame will be considered risky and will make the rule check fail.

In the image below we set the number of orders to be a maximum of 2 in one hour. So, starting from 3 orders in one hour, this rule check will fail.

To enable this rule, go to General settings > Rules settings and Enable check for attempt count.

Enable check for attempt count

For more details about the rule weight settings, please, read this page of the documentation.

IP Multiple details check

To apply a check on billing details linked to an IP address already used for previous orders, enable the option Enable IP multiple details check. In this way, if there are previous orders linked to the same IP address and billing details are different from those entered for the last order, the fraud risk level will increase.

Enable IP multiple details check

You can find the rule weight settings on this page of the documentation.

Rule weight

Each risk rule has a weight that will help you calibrate the impact of each rule on the total score used to determine the risk level.

For every rule, then, you can choose a value between 1-20.

This value will be the score of the rule if it fails.

Rule weight
  • 1 is the minimum weight that can be assigned to safety rules. The closer to 1, the less it will affect the risk level for the order.
  • 20 is the maximum weight that can be assigned to a safety rule. The closer to 20, the more it will affect the risk level for the order.
  • 10 is the default value and stands for average risk.

Whenever a rule fails, it scores the value of the weight.

How is the risk calculated?

The risk is calculated as a percentage value resulting from the following formula:

Risk Percentage = ( score of all failed rules / maximum obtainable score ) * 100

Score of all failed rules: this is the sum of the weight of all failed rules.
Maximum obtainable score: this is the default weight (10) by the number of rules enabled.

Example:

  1. “Enable first order check” with a weight of 5;
  2. “Enable suspicious email domain check” with a weight of 15;
  3. “Enable unsafe country check” with a weight of 20.

The maximum obtainable score is the default weight (10) times the number of rules, which is 3, so will be 30.

CASE 1: If all rules fail, the score of all failed rules will be 5 + 15 + 20 = 40.

So, in the formula: (40 / 30) * 100 = 133%. As this is over 100%, the risk is always considered as 100%.

CASE 2: If the first order check rule fails, the formula will be:

(5 / 30) * 100 = 16.7%

CASE 3: If only the Unsafe country check rule fails, the formula will be:

(20 / 30) *100 = 66.7%

So, in the latter case, even if only one rule failed, the risk score is medium, as the rule had a high weight on the total calculation.

In the order, you will find also a summary of which rules are impacting the risk score of that order.

Since the Fraud Risk Level we set is between 25% and 75%, the order is considered to be medium risk.