The mission of response to security incidents helps to bring "post-incident" to our customer, an accurate and detailed report on the actions produced, vulnerabilities and veracity of damage to information systems. It helps to confirm or to reverse the deletion, modification or alteration of data and conclude with recommendations and tips on protecting and anticipation. Rapid Intervention Force is projectable at H+20 maximum in France and internationally as principles set out below. A telephone standby 24h/24 - 7/7 is made with the head of CERT. He can be provided in an emergency or by phone, comfortably and in a prospective logic by email. Depending on the extent of the incident and the emergency, it is quickly determined if the projection and action from CERT Devoteam teams are appropriate.