Computer break-ins are big news. Newspaper stories continually tell of system crackers and their sagas. A recent article tells how a disgruntled programmer left behind a virus that destroyed a month's payroll for over 16,000 people. Another magazine describes how a person form Germany broke into a UNIX (R) system in California and invaded over 30 other systems using networks. Security for UNIX has become a crucial issue as this multi-user environment has expanded into business and government, where secure systems are a must. The complete guide to maintaining data integrity and preventing security break-ins, UNIX System Security shows UNIX users how to protect their files and directories from viruses, worms, and system crackers. It even shows sophisticated methods for detecting and catching intruders. This enlightening book addresses the concerns of every user and administrator, illustrating essential points with actual cases of break-ins.Topics covered include: *Security for networks *Data encryption *Security auditing *Administrating passwords *Future enhancements to UNIX security *Security and the superuserUNIX System Security is a critical book for anyone with a vested interest in protecting data. 0201570300B04062001