The 15 Most Important Security Startups Of 2013

YouTube/Ironkey Dave Jevans, founder, Marble Cloud

Computer security is a difficult problem that attracts some of the brightest minds in the tech industry who build some of the most innovative products.

We've assembled this list of the hottest, coolest security startups creating buzz for a number of reasons:

• They've landed big finance rounds.
• They have impressive founders.
• They are solving a hard security problem.
• They are approaching security in a fresh new way.