The Cyber Threat Sharing System is collecting sources of existing threats from relevant feeds, and structuring the information using standards to facilitate the exchange of the security threats identified (e.g. MITRE, OASIS). Personalized alerts and relevant information will be provided according to the subscription parameters the critical infrastructure has requested. This service will ensure the mitigation of threats to critical infrastructure; will enhance the coordination within critical infrastructure establishing exchange methods to prevent, reduce, mitigate and recover from existing threats; and will allow the coordination between similar centres in the world to deal with critical infrastructure threats in a global approach.