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Stonesoft Security Engine 5.5 Provides Virtual Engines and Increased Performance

The cyber security expert Stonesoft introduces the new Stonesoft Security Engine platform and Stonesoft Management Center version 5.5. The Security Engine platform is the core of the Stonesoft Next Generation Firewall and other security solutions. The new version allows MSSPs (Managed Security Service Providers) to serve multiple customers with a single appliance. It also provides major improvements in deep packet inspection performance.

Virtual engines

Virtual engines allow MSSPs to serve more customers with less physical devices, whereby they benefit from significantly improved cost efficiency through lower initial costs and reduced management/personnel resources. Virtual engines are also an ideal solution for governmental or enterprise environments in which strict isolation between networks is mandatory.

Stonesoft Security Engine 5.5 has been designed to be fully MSSP compatible, allowing them to run up to 250 virtual instances of Security Engine in a single physical appliance. The solution can be also clustered, for scalability or high availability reasons. The same engine can have simultaneously different security policies, separate routing tables and overlapping IP addresses for different interfaces. All these can be managed with the Stonesoft multitenant centralized management system.

Deep packet inspection performance

Stonesoft 5.5 introduces significant performance improvements for deep packet inspection, resulting in over 100% improved throughput compared to the previous version. In particular, small packet handling has been improved.

“Traditionally, performance and security have been mutually exclusive and hardware based security solutions have been unbeatable with regard to performance. Now, for the first time, software offers even better performance without compromising security at any point”, says Antti Kuvaja, Director, Product Management, Stonesoft.


The 5.5 versions of Stonesoft Security Engine and Stonesoft Management Center are available in June.


About Stonesoft Corporation

Stonesoft Corporation (NASDAQ OMX: SFT1V) delivers software based, dynamic, customer-driven cyber security solutions that secure information flow and simplify security management. Stonesoft serves private and public sector organizations that require high availability, ease-of-management, compliance, dynamic security, protection of critical digital assets, and business continuity against today’s rapidly evolving cyber threats. Stonesoft leads research into advanced cyber threats and the advanced evasion techniques (AETs) used in stealth, targeted cyber attacks.

The company’s product portfolio is based on one unified Security Engine software platform that is the power behind Stonesoft’s next generation firewalls, intrusion and evasion prevention systems, and SSL VPN solutions. The Security Engine back-end is augmented by the Stonesoft Management Center front-end, which enables efficient management of entire networks and brings excellent situational awareness and operational cost savings.

Stonesoft’s customer base covers more than 6,500 mid and large-sized organizations across various industries and geographical markets. Stonesoft has the highest customer retention rate in the industry due to low TCO, a flexible licensing model, and overall customer service excellence. Founded in 1990, the company’s track record is well recognized and visionary by certifiers, industry analysts and demanding customers. The company’s headquarters are based in Helsinki, Finland. For more information, visit

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