1. ChanJ.The Motivation and Goals Behind DDoS.2010.https://www.dosarrest.com/ddos-blog/the-motivation-and-goals-behind-ddos/
2. Kaspersky Lab.Kaspersky DDoS Intelligence Report for Q1 2016.2016.https://securelist.com/kaspersky-ddos-intelligence-report-for-q1-2016/74550/
3. CERT Coordination Center.Code Red.http://www.cert.org/incident_notes/IN-2001-08.html
4. CERT Coordination Center.Ramen Worm.2001.http://www.cert.org/incident_notes/IN-2001-01.html