PSAD is a collection of four lightweight system daemons written in Perl and in C that is designed to work with Linux firewalling code (iptables in the 2.4.x kernels, and ipchains in the 2.2.x kernels) to detect port scans. It features a set of highly configurable danger thresholds (with sensible defaults provided), verbose alert messages [...]

As most of you probably know by now that a “Hacker” group called “Anonymous” has setup a project called “Chanology” to take down Church of Scientology. You can listen to their gripe about COS (Church of Scientology) and why they are doing what they are doing: http://www.youtube.com/watch?v=JCbKv9yiLiQ They have also setup up a project page [...]

BIEW (Binary vIEW) is a free, portable, advanced file viewer with built-in editor for binary, hexadecimal and disassembler modes. It contains a highlight PentiumIII/K7 Athlon/Cyrix-M2 disassembler, full preview of MZ, NE, PE, LE, LX, DOS.SYS, NLM, ELF, a.out, arch, coff32, PharLap, rdoff executable formats, a code guider, and lot of other features, making it invaluable [...]

debsecan is a tool to generate a list of vulnerabilities which affect a particular Debian installation. debsecan accesses the dpkg database and obtains a list of installed packages and their versions. This list is then evaluated against a feed of vulnerability information which ultimately comes from a database maintained by Debian’s Testing Security Team. Various [...]