Daniel B. Cid

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Daniel B. Cid
Known forOSSEC, Sucuri, CleanBrowsing, security, networking, dns

Daniel B. Cid is a tech entrepreneur, open source developer and book author.[1] Cid founded OSSEC, an open source intrusion detection system, in 2004 and led the project until it was acquired by Trend Micro (Third Brigade) on June 16, 2008.[2] He founded Sucuri in 2010, a web site security company, and served as its Chief Technology Officer until it was acquired by GoDaddy on Mar 22, 2017.[3]

Cid wrote the Host-Based Intrusion Detection Guide book.[4]

Cid is also the founder of CleanBrowsing, a DNS filter and was an advisor at AlienVault.[5]


  1. ^ "OSSEC Host-Based Intrusion Detection Guide". Google Books.
  2. ^ "Third Brigade acquires OSSEC". LWN.
  3. ^ "Sucuri and GoDaddy team up to protect more websites". GoDaddy Garage.
  4. ^ "Daniel B. Cid, Security Laboratory: Thought Leaders". SANS.
  5. ^ "AlienVault Launches Technical Advisory Board".

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