The Italian Computer Security Incident Response Team has released an overview of the recent Distributed Denial of Service (DDoS) attacks that occurred starting from 11 May this year. First of all, the type of DDOS attacks used is identified, in particular the “Slow HTTP” attack, then the operating technique of this attack is described and some applicable mitigation measures are identified. Finally, the specific configurations for some of the most popular products are reported. Although these DDOS attacks make services unavailable for a certain period of time, they do not affect the integrity and confidentiality of the information and systems affected unlike, for example, a ransomware-type attack. Find the analysis (in Italian) here.