Daniel E. Geer

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Information security is important in proportion to an organization's dependence on information technology. When an organization's information is exposed to risk, the use of information security technology is obviously appropriate. Current information security technology, however, deals with only a small fraction of the problem of information risk. In fact,(More)
Maintaining, managing, and supporting an unbounded number of distributed network services on multiple server instances requires new solutions. Moira, the Athena Service Management System provides centralized control of data administration, a protocol for interface to the database, tools for accessing and modifying the database, and an automated mechanism(More)
We show that the Kerberos Authentica-tion System can relax its requirement for synchronized clocks, with only a minor change which is consistent with the current protocol. Synchronization has been an important limitation of Kerberos; it imposes political costs and technical ones. Further, Kerberos' reliance on synchronization obstructs the secure(More)