Negotiation Framework for the Next Generation Mobile Middleware Service Environment. - Markus Sihvonen; Jarkko Holappa (EDCIS, 2002)

Java Application Signature, Integrity Verification and Server Authentication Mechanism in MExE Terminal. - Jarkko Holappa (SIS, 2002)

Towards interoperability of wireless services - a description model of service interfaces. - Anne Immonen; Jarkko Holappa; Päivi Kallio; Jarmo Kalaoja (ICWI, 2004)

Measurement of Information Security in Processes and Products. - Reijo Savola; Juhani Anttila; Anni Sademies; Jorma Kajava; Jarkko Holappa (IICIS, 2004)

Security Threats to Digital Television Platform and Service Development. - Jarkko Holappa; Reijo Savola (ICEIS (3), 2006)