[11] Barracuda Networks expanded its research and development facility in Ann Arbor to a 12,500 square foot office building on Depot Street in 2008.

In June 2012, Barracuda signed a lease to occupy the 45,000 square foot office complex previously used as the Borders headquarters on Maynard St in downtown Ann Arbor.

[13] In July 2012, Dean Drako, Barracuda Networks's co-founder, president and CEO since it was founded in 2003, resigned his operating position, remaining on the company's board of directors.

[14] At the time of Drako's departure, the company stated it had achieved profitability,[15] a nearly ongoing 30 annual percent growth rate since inception, 150,000 customers worldwide, nearly 1,000 employees, 10 offices, and did business in 80 countries.

[citation needed] In April 2022, KKR announced the signing of an agreement to purchase Barracuda Networks from Thoma Bravo for about $4 billion, which was completed in August of that year.

[47] April 10, 2010, a blog entry appeared alleging that Barracuda Networks SPAM blocking deliberately targets non-spamming IP addresses and tries to get them to sign up for an email whitelisting service "emailreg.org".