Riverhead Networks

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Industry Computer networking
Fate Acquired
Successor Cisco Systems
Founded 2000
Founder Yehuda Afek, Anat Bremler-Barr, Dan Touitou, and Yuval Rachmilevitz
Defunct 2004
Headquarters Tel Aviv, Israel
Cupertino, California
Products Network Security
Number of employees
Website www.riverhead.com

Riverhead Networks was a computer security company based in Netanya, Israel and Cupertino, California. The company was acquired by Cisco Systems on March 22, 2004.


Riverhead Networks was founded by Yehuda Afek, Anat Bremler-Barr, Dan Touitou, and Yuval Rachmilevitz in 2000 in Tel Aviv, Israel. Initial funding was provided by Cisco and Gemini Israel Funds. On March 22, 2004 Cisco Systems paid $39 million to acquire full control of the company. Following the acquisition by Cisco the company’s development center was relocated and merged with the existing Cisco Israel Development Center in Netanya [1]


Riverhead Networks provided solutions for Distributed Denial of Service (DDoS) by using a series of complex algorithms to alert and prevent them. Riverhead Networks's technology would allow company's IT systems to continue operating, even in the midst of an unauthorized or DDoS malicious assault.

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  1. ^ Ben-yehuda, Eynav, "Cisco Israel hiring 70 software engineers for the newly acquired Riverhead Networks", The Marker - 24.06.2004, archived from the original on 2011-07-13, retrieved 2009-11-11