Diversinet Delivers Vision For Mobile Authentication Services At 3GSM World Congress And RSA Conference

Mass Market Strong Authentication Focus at 3GSM Wireless Developer Forum and OATH Pavilion Addresses Methods of Dealing with Pervasive Threats to Global Mobile Economy

TORONTO, Canada, February 10, 2005 – Diversinet Corp. (OTCBB: DVNTF), a leading provider of mobile device security, today announced that it will be delivering its vision for mobile authentication services at two global industry events from February 14-18, 2005. The Company’s simultaneous involvement in the 3GSM World Congress and RSA Conference events highlights the breadth of appeal for Diversinet product and service offerings.

“Diversinet’s mobile authentication service offerings have a compelling value to both mobile network operators and security solution providers”, said Michael J. O’Farrell, Chief Marketing Officer of Diversinet. “These global shows represent the pinnacle annual events for both industries and provide an excellent opportunity to expose to partners and potential customers our vision for mobile authentication services for the mass market mobile device user community.”

The 3GSM World Congress 05 (www.3gsmworldcongress.com), being held February 14-17, 2005 in Cannes is the premier event for GSM network operators, vendors and application developers. Diversinet will be hosting a Wireless Developers Forum Track at the 3GSM World Congress (http://www.wirelessdeveloperforum.com). Diversinet will deliver its vision for mobile authentication services and show application providers the value and simplicity of developing applications that leverage strong authentication for their applications and service offerings.

The RSA Conference 2005 (2005.rsaconference.com/us/), being held February 14-18, 2005 in San Francisco is the world’s largest gathering of security vendors and professionals. Diversinet will be demonstrating at the OATH Pavilion its mobile authentication services which provide OATH-Compliant strong authentication via a mobile client that generates a One-Time-Password (OTP). Diversinet is a charter member of OATH. The initiative for Open AuTHentication (OATH) is a collaboration of leading device, platform and application companies that hopes to foster use of strong authentication across networks, devices and applications.

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About Diversinet
Diversinet is a leading mobile device security provider for the mobile data ecosystem. Diversinet products and services allow users to protect their identity, data and device for personal communications and commercial transactions. The Diversinet MobileSecure Client and suite of Mobile Authentication Services enable application providers, mobile network operators and security service providers to rapidly develop, deploy and manage secure mobile data services for the over 1.5 billion mobile device users worldwide. The Diversinet MobileSecure Client delivers the industry’s first open mobile security platform to support OATH-Compliant strong authentication on mobile devices and networks. For more information about the Initiative for Open AuTHentication (OATH) please go to www.openauthentication.org

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The Private Securities Litigation Reform Act of 1995 provides a "safe harbor" for forward-looking statements. Certain information included in this press release (as well as information included in oral statements or other written statements made or to be made by the company) contains statements that are forward-looking, such as statements relating to anticipated future revenues of the company and success of current product offerings. Such forward-looking information involves important risks and uncertainties that could significantly affect anticipated results in the future and, accordingly, such results may differ materially from those expressed in any forward-looking statements made by or on behalf of the company. For a description of additional risks and uncertainties, please refer to the company's filings with the Securities and Exchange Commission.

Contact:
John Sacke
Sacke & Associates Inc.
647.886.0750
johns@sackepr.com

Wally Kowal
Diversinet Corp.
416.756.2324 ext 231
wkowal@diversinet.com