It’s OK if you don’t know what SIEM — security information and event manager — is. What matters is that SIEM vendors enable companies to centralize, store and make use of large volumes of data created by the computers on their networks. The volume of that data is not only growing, it’s accelerating.

AlienVault, which offers both open-source and proprietary SIEM software, was founded in 2007 and has offices in Madrid, Atlanta and San Francisco. The company has announced its first institutional funding round, $4 million led by Adara Venture Partners, with additional money coming from Teldat Group and Neotec.

AlienVault plans to use the money to expand its market. Adara managing partner Alberto Gómez said in a prepared statement accompanying the announcement, “It is not often that you find a growing company that has established such a dominant market share so early and with such opportunity still lying ahead.”

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