This book constitutes the refereed proceedings of the 5th European Symposium on Research in Computer Security, ESORICS 98, held in Louvain-la-Neuve, Belgium, in September 1998.The 24 revised full papers presented were carefully reviewed and selected from a total of 57 submissions.

Fixed vs. variable-length patterns for detecting suspicious process behavior.- A tool for pro-active defense against the buffer overrun attack.- A kernelized architecture for multilevel secure application policies.- Dealing with multi-policy security in large open distributed systems.- A flexible method for information system security policy specification.- On the security of some variants of the RSA signature scheme.- Side channel cryptanalysis of product ciphers.- On the security of digital tachographs.- An authorization model and its formal semantics.- Authorization in CORBA security.- Rules for designing multilevel Object-Oriented Databases.- Byte code verification for Java smart cards based on model checking.- Towards formalizing the Java security architecture of JDK 1.2.- EUROMED-JAVA: Trusted Third Party Services for securing medical Java applets.- MPEG PTY-Marks: Cheap detection of embedded copyright data in DVD-video.- DHWM: A scheme for managing watermarking keys in the Aquarelle multimedia distributed system.- The “ticket” concept for copy control based on embedded signalling.- Panel session: Watermarking.- Authentication and payment in future mobile systems.- Distributed temporary pseudonyms: A new approach for protecting location information in mobile communication networks.- A mix-mediated anonymity service and its payment.- A subjective metric of authentication.- A sound logic for analysing electronic commerce protocols.- Kerberos Version IV: Inductive analysis of the secrecy goals.