A Net OpticsFour-Station Multi-Segment Bypass Switch is an ideal companion forTippingPoint 5000E and 2400E IPSs because together they can

A Net OpticsFour-Station Multi-Segment Bypass Switch is an ideal companion forTippingPoint 5000E and 2400E IPSs because together they can protect fourcritical network links with as much as 5 Gbps of total traffic, with highreliability and the flexibility of being able to remove or upgrade theIPS at any time, without risking the availability of critical businessapplications."As the growth of the Internet is driving the need for global networks toconnect businesses, organizations, and individuals, the need to controland protect the flow of information has dramatically increased as well,"said Bob Shaw, president and CEO at Net Optics. "By teaming withTippingPoint, we are helping to ensure the highest levels ofavailability, reliability and security for the networks on which missioncritical applications and services rely."TippingPoint's Intrusion Prevention Systems provide ApplicationProtection, Performance Protection and Infrastructure Protection atmulti-gigabit speeds through total packet inspection. Its products are deployedin enterprises, service providers, and government organizations worldwide.Leading vendors of protocol analyzers, RMON probes, and IPS applianceshave selected Net Optics for their customers' monitoring solutions -- from10/100 Ethernet to 10 Gigabit links.For further information: http:// del FierroNet Optics, Inc.(408) 737-7777Email ContactRoger T. FortierLoughlin/Michaels Group forNet Optics, Inc.(408) 738-9141Email ContactCopyright 2009, Market Wire, All rights reserved.-0-. China Information Security Technology, Inc.

Announces Reporting Date for FirstQuarter 2009 Financial ResultsSHENZHEN, China, May 6 /PRNewswire-Asia-FirstCall/ -- China InformationSecurity Technology, Inc., (Nasdaq: CPBY) ("China Information Security,""CIST" or the "Company"), a leading application software developer, systemsintegrator and full-service Geographic Information Systems ("GIS") solutionsprovider to public security and civil-use markets in China, today announcedthat the Company plans to report its first quarter 2009 financial results onMay 11, 2009 before the market opens. The Company will also hold a conferencecall to discuss the financial results the same day at 8:30 a.m. ET.Listeners may access the call by dialing # 1-913-312-6676. To listen tothe live webcast of the event, please go to and click on theInvestor Relations section where conference calls are posted.

Please go to thewebsite 15 minutes early to download and install any necessary audio software.A replay of the call will be available from May 11, 2009 to May 18, 2009.Listeners may access the replay by dialing 1-719-457-0820, passcode: 3114935.About China Information Security Technology, Inc.Through its wholly-owned Chinese subsidiary, China Information SecurityTechnology, Inc. ("CIST" or the "Company") headquartered in Shenzhen, China("PRC"), is a leading application software developer, systems integrator andfull-service Geographic Information Systems ("GIS") solutions provider to thepublic security and civil-use markets in China, aiming to use informationtechnology to improve public safety and information management. Its mainbusiness lines range from digital information security, to GeographicInformation Systems (GIS), and digital hospital information systems. TheCompany provides a broad portfolio of fully integrated solutions and services,including its First Responder Coordination Platform, Intelligent BorderControl System, Residence Card Information Management System, Police- andCivil-use GIS products, and Digital Hospital Information System to serve thegrowing demand for digital hospital and electronic medical record systems inChina. Its commitment to leading-edge technology and quality assurance has wonthe Company numerous government and enterprise contracts throughout China. Tolearn more about the Company, please visit the corporate website at http:// .Safe Harbor StatementThis press release may contain certain "forward-looking statements"relating to the business of China Information Security Technology, Inc., andits subsidiary companies. All statements, other than statements of historicalfact included herein are "forward-looking statements" including statementsregarding the general ability of the Company to achieve its commercialobjectives; the business strategy, plans and objectives of the Company and itssubsidiaries; and any other statements of non-historical information.