DDoS testing service features testing and verifying the integrity of a DDoS mitigation strategy of an organization while maintaining operation of the targeted organization's IT infrastructure. This facilitates ongoing and recurring operation and integrity of the DDoS mitigation strategy, at regular intervals and without causing service disruption to the IT infrastructure. Testing can include an array of DDoS attack vectors allowing the risk assessment of the organization to be fully visible for the production environment concerning successful DDoS attack being launched against the organization.