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RSAC ISBISB 2006WinnerAcquired
Imperva
Application Security
Web application firewall (WAF) and database security provider.
Founded
2002
ISB Year
2006
Raised
$26.3M
Exit Price
$3.6B
Years to Exit
21 years
Year Acquired
2023
Funding & Investors
Total Funding
$26.3M
Rounds
Series A, Series B, Series C
Key Investors
Shlomo Kramer (founder)U.S. Venture Partners
Outcome
Acquisition
Acquired by Thales Group in 2023 for $3.6B (IPO 2011, taken private by Thoma Bravo for $2.1B in 2019)
IPO
IPO in 2011 raising $90M
Lesson Learned
Pioneered WAF market at scale. Lesson: creating a new security category (database activity monitoring + WAF) can yield massive returns if timing matches regulatory pressure.