@techreport{4f54ba1ee3b34d93b825d8d7a4e38704,
title = "Four Views on Security",
keywords = "corporate security, information security, risk management, security, trust, corporate security, information security, risk management, security, trust, corporate security, information security, risk management, security, trust",
author = "Teemupekka Virtanen",
year = "2002",
language = "English",
series = "Publications in Telecommunications Software and Multimedia",
publisher = "Helsinki University of Technology",
number = "TML-A4",
type = "WorkingPaper",
institution = "Helsinki University of Technology",
}