1. T. Ibragimov, et al., DDoS attacks in Q2 2018, (Webpage. [Online]. Available: https://securelist.com/ddos-report-inq2-2018/86537/).
2. R. Hackett, Github triumphant over its ĺargest everćyber pummeling, (Webpage. [Online]. Available:http://fortune.com/2015/04/03/github-ddos-china/).
3. L.H. Newman, What we know about friday’s massive east coast internet outage, (Webpage. [Online]. Available: https://www.wired.com/2016/10/internet-outageddos-dns-dyn/).
4. M. Broersma, UK National Lottery Hit By Peak-Time DDoS Attack, (Webpage. [Online]. Available: https://www.silicon.co.uk/security/uk-national-lotteryddos-222601?inf_by=5b7ee807671db80d6d8b4982).
5. S. Kottler, Github – February 28th DDoS Incident Report, 2018, ([Online]. Available: https://githubengineering.com/ddos-incident-report/).