# Fraud detection
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| ADVSEC05: How do you detect and block fraud in your advertisement solution?  | 
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 Traffic fraud in digital advertising could impact the advertising solution by affecting ad spend through fake clicks, bot traffic, and manipulation schemes. Workloads benefit from resilient and secure systems that implement defense in depth strategies for fraud prevention. Effective protection assists advertisers optimize budgets by focusing on genuine traffic and properly represented inventory, while publishers can maintain reputation and revenue by addressing fraudulent activities on their solution. 

 Consider using AWS WAF to evaluate traffic to your advertising solution and filter out suspicious or un-wanted bot traffic through customizable rules. Amazon GuardDuty can also be utilized to help protect your AWS accounts, workloads, and data from threats. 

**Topics**
+ [ADVSEC05-BP01 Validate and sanitize content before running a campaign](advsec05-bp01.md)
+ [Key AWS services](#key-aws-services-7)
+ [Resources](#resources-12)

## Key AWS services
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+  AWS WAF 
+  Amazon GuardDuty 
+  Amazon Fraud Detector 

## Resources
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+  [Amazon GuardDuty](https://aws.amazon.com/guardduty/) 
+  [AWS WAF rules](https://docs.aws.amazon.com/waf/latest/developerguide/waf-rules.html) 
+  [Amazon Fraud Detector FAQs](https://aws.amazon.com/fraud-detector/faqs/#topic-0)