Palo Alto Networks, a start-up based in Sunnyvale, California, has secured $27 million in Series C financing for its next-gen firewalls for enterprises.Palo Alto Networks leverages its "App-ID" application classification technology to enable visibility and policy control of applications running on enterprise networks. The company's firewalls accurately identify applications -- regardless of port, protocol, evasive tactic or even SSL encryption -- at 10Gbps with no performance degradation. Lehman Brothers Venture Partners led the oversubscribed...