DFP allows you to serve ads using a dynamic allocation and price priority combination. This ensures that ad networks are always running the best paying ad from their network of advertisers. Second, DFP is equipped with the ability to detect malware. If they detect any suspicious content related to malware, you will be alerted. This may include viruses, trojans, suspicious URLs, and fake .gif or .swf (Flash) files that are found to contain malicious code in the ad creatives.