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Barracuda Networks - security for the estates nobody writes about
Built a business where the budget is small, the staff is one person, and the threat is identical.
Barracuda sells email, network and application security into the mid-market: organisations with the same attackers as a bank and a fraction of the staff. That positioning is a genuine engineering constraint rather than a marketing segment, because a product for an estate with no dedicated security team has to work correctly on its defaults.
Barracuda began as an internal fix. In 2002 Dean Drako, Michael Perone and Zach Levow were running an internet service provider, could not find an affordable spam-blocking product for their own business, and built one - in a small Los Altos office where the courtyard next to a Mexican restaurant frequently served as the conference room. The Spam and Virus Firewall shipped in 2003, and the founders were their own first customer.
The commercial insight was pricing rather than technology. Email security at the time was sold at enterprise prices to enterprise buyers, which left every organisation below that line with the same problem and no product. Barracuda sold an appliance that was cheap, arrived configured, and did one job, and it reached a market that had been priced out rather than underserved.
The portfolio widened from there into web filtering, load balancing, archiving and backup, and the ownership history reads like a summary of how this industry now finances itself: public on the New York Stock Exchange in November 2013 at eighteen dollars a share, taken private by Thoma Bravo in 2018 for 1.6 billion dollars, and sold on to KKR in 2022.
Two ownership changes in four years is worth noticing rather than skipping. A product that serves two hundred thousand organisations is a predictable revenue stream, and predictable revenue is what private equity buys; the customers experience it as roadmap changes and support reorganisations arriving for reasons never explained to them. That is a real operational consideration when choosing a supplier, and it appears in no datasheet.
- Barracuda Networks: founded 2003 by Dean Drako, Michael Perone and Zach Levow, introducing the Barracuda Spam and Virus Firewall in the same year; headquartered in Campbell, California; owned by KKR
- The Silicon Review on Barracuda: the three founders were running an internet service provider in 2002 and could not find an affordable spam-blocking product for their own small business, so they built one, in a small Los Altos office next to a Mexican restaurant that often served as the conference room
- Grokipedia on Barracuda Networks: public on 6 November 2013 on the New York Stock Exchange under the ticker CUDA at 18 dollars a share, taken private by Thoma Bravo in 2018 for 1.6 billion dollars, then acquired by KKR in 2022; serving over 200,000 organisations as of February 2026