A new tool to stop cybercrime

  @FortuneMagazine March 21, 2013: 7:17 AM ET
TAW08 cyber crime

The recent barrage of high-profile cyberattacks has put many companies on edge, but it has also been a boon for developers of new security tools. Makers of so-called next-generation firewalls are particularly hot. Traditional firewalls filter out harmful data "packets" and pass along legitimate ones. The new breed looks at software applications coming into a corporate network and not only susses out dangerous ones but grants workers case-by-case permission to use certain apps. (A company may allow workers to use Facebook, say, but prohibit them from downloading games and other fare -- increasingly a vehicle for spreading malware -- from the Facebook App Center.)

According to a recent Gartner report, Internet connections secured using next-generation firewalls will hit 35% in 2014, up from 10% today. (Overall, corporate firewall sales will be about $6.8 billion this year.) Here's a sampling of the startups, incumbents, and Johnny-come-latelies vying for a piece of the business:

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