Defense.Net is a privately held American information technology and services company.
The company's business is to protect Internet-facing infrastructures – such as e-commerce web sites – against all forms of Distributed Denial of Service (DDoS) attacks at the network.
Defense.Net operates a constellation of DDoS mitigation sites around the Internet which are capable of filtering and removing DDoS attacks real-time.
In 2014, the company was named one of the 100 Hottest Private Companies in North America by Red Herring[2] and acquired shortly after by F5 Networks purportedly for between $50 and $100 million.
[4] In 2012 Bessemer Venture Partners lead a Series A round of funding for a total of $9.5 million.