Goldman Sachs Leads Investment  

Milford, CT (July 31, 2007) - Perimeter eSecurity (www.perimeterusa.com), the only provider of complete eSecurity on demand, announced today that Goldman Sachs has invested $50 million in the company.

"Perimeter is at the forefront of a young but large and rapidly growing market for security on demand, and this investment will allow us to continue to expand our client base and grow the company's revenues." said Brad Miller, CEO of Perimeter.  "Goldman Sachs has significant experience working with high growth technology companies.  We are excited to partner with Goldman Sachs as we continue to build a large and sustainable company."

"Perimeter is a leading provider of security software as a service. They have a unique and innovative full-suite offering that delivers significant value to companies looking to outsource their security," said Joe DiSabato, Managing Director, Goldman Sachs.   "We were attracted to Perimeter's strategic vision for making complex security solutions accessible and affordable for all businesses and are also drawn to Perimeter's continuing customer growth, and their single platform which delivers the widest range of security solutions anywhere.  We look forward to helping drive their next phase of growth."

Over 4,000 clients subscribe to Perimeter's security offering including 1,900+ financial institutions.

Clients can plug into Perimeter's pre-integrated security platform to access 50+ managed security services On-Demand — instantly.  Offerings include Vulnerability Defense, Intrusion Defense, Network Defense, Email Defense, System Defense, and User Defense.   The Company markets its products through channel partners, a direct sales force and a growing base of network service providers.  Perimeter's revenues have grown 575% between 2001 and 2006.

About Perimeter eSecurity
As the only provider of complete security on demand, Perimeter eSecurity makes security easily available and affordable for all businesses. Perimeter's on demand security services protect thousands of computer networks nationwide, offering more than 50 different services on a subscription basis in the areas of: Vulnerability Defense, Intrusion Defense, Network Defense, Email Defense, System Defense, and User Defense. With the proliferation of security threats and technologies, clients benefit from a single-source provider that offers all services through one pre-integrated platform and web portal.

Perimeter's security SaaS services are continuously expanded, enhanced and upgraded for current and future regulatory compliance. With seven geographically distributed technical offices and three redundant data centers, Perimeter's complete, on-demand and affordable security services are always available and have been validated by multiple independent third parties. For more information about Perimeter visit www.perimeterusa.com.


Media Contact:
For Further Information Contact:
Cathy Clarke
CNC Associates for Perimeter eSecurity
617.527.2089
cathy@cncassocs.com