| Security Fundamentals |
Intrusion Detection System (IDS)Tiger – The Unix Security Audit and Intrusion Detection ToolTiger is a free, open source collections of shell scripts for security audit and host intrusion detection, for Unix-like systems such as Linux. It’s a security checker written entirely in shell language and employs various POSIX tools in the backend. It’s major purpose is to check the system configuration and status. It’s very extensible than the other security tools, and has a good configuration file. It scans system configuration files, file systems, and user configuration files for possible security problems and reports them. On Debian and its derivatives such Ubuntu and Linux Mint, you can easily install Tiger security tool from the default repositories using package manager Installationuser1@panda:~$ sudo apt install tiger Install Tigeruser1@panda:~$ sudo tiger Check for Intrusions  View checking logs
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