SecTools.Org: Top 125 Network Security Tools

For more than a decade, the Nmap Project has been cataloguing the network security community's favorite tools. In 2011 this site became much more dynamic, offering ratings, reviews, searching, sorting, and a new tool suggestion form. This site allows open source and commercial tools on any platform, except those tools that we maintain (such as the Nmap Security Scanner, Ncat network connector, and Nping packet manipulator).

We're very impressed by the collective smarts of the security community and we highly recommend reading the whole list and investigating any tools you are unfamiliar with. Click any tool name for more details on that particular application, including the chance to read (and write) reviews. Many site elements are explained by tool tips if you hover your mouse over them. Enjoy!

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(3) ★★★★½ NBTScan (#111, 72)

NBTScan is a program for scanning IP networks for NetBIOS name information (similar to what the Windows nbtstat tool provides against single hosts). It sends a NetBIOS status query to each address in a supplied range and lists received information in human readable form. For each responded host it lists IP address, NetBIOS computer name, logged-in user name and MAC address. The original nbtscan was written by Alla Bezroutchko. Steve Friedl has written an alternate implementation. Read 4 reviews.

Latest release: version 1.5.1 on June 1, 2003 (21 years, 5 months ago).

(1) ★★★★★ DirBuster (#112, new!)

DirBuster searches for hidden pages and directories on a web server. Sometimes developers will leave a page accessible, but unlinked; DirBuster is meant to find these potential vulnerabilities. This is a Java application developed by OWASP. Read 2 reviews.

Latest release: version 2.0-RC1 on March 3, 2009 (15 years, 8 months ago).

(1) ★★★★ WinDbg (#113, new!)

WinDbg is a graphical debugger from Microsoft. It is actually just one component of the Debugging Tools for Windows package, which also includes the KD, CDB, and NTSD debuggers. Its claim to fame is debugging memory dumps produced after a crash. It can even debug in kernel mode. Read 1 review.

Latest release: version 10.0.10075.9 on April 29, 2015 (9 years, 6 months ago).

no rating Wfuzz (#114, new!)

Wfuzz is a tool for bruteforcing Web Applications, it can be used for finding resources not linked (directories, servlets, scripts, etc), bruteforcing GET and POST parameters for different kinds of injections (SQL, XSS, LDAP, etc.), bruteforcing form parameters (user/password), fuzzing, and more. Review this tool.

Latest release: version 2.0 on Aug. 4, 2011 (13 years, 3 months ago).

(2) ★½ ArcSight SIEM platform (#115, new!)

ArcSight provides a suite of tools for SIEM—security information and event management. The best-known seems to be ArcSight Enterprise Security Manager (ESM), described as the "brain" of the SIEM platform. It is a log analyzer and correlation engine designed to sift out important network events. The ESM itself is a standalone appliance, and the management programs run on Linux, Windows, AIX, and Solaris. For open-source alternatives see OSSEC HIDS and OSSIM. Read 2 reviews.

no rating Unicornscan (#116, 38)

Unicornscan is an attempt at a User-land Distributed TCP/IP stack for information gathering and correlation. It is intended to provide a researcher a superior interface for introducing a stimulus into and measuring a response from a TCP/IP enabled device or network. Some of its features include asynchronous stateless TCP scanning with all variations of TCP flags, asynchronous stateless TCP banner grabbing, and active/passive remote OS, application, and component identification by analyzing responses. Like Scanrand, it isn't for the faint of heart. Read 2 reviews.

Latest release: version 0.4.7-2 on Dec. 20, 2007 (16 years, 11 months ago).

no rating Stunnel (#117, 38)

The stunnel program is designed to work as an SSL encryption wrapper between remote client and local (inetd-startable) or remote servers. It can be used to add SSL functionality to commonly used inetd daemons like POP2, POP3, and IMAP servers without any changes in the programs' code. It will negotiate an SSL connection using the OpenSSL or SSLeay libraries. Review this tool.

Latest release: version 5.16 on April 19, 2015 (9 years, 6 months ago).

no rating SELinux (#118, new!)

Security Enhanced Linux (SELinux) is a security enhancement to Linux implementing mandatory access control (MAC). Users and processes can be granted their least required privileges in a much more granular way than with traditional Unix access control. For example, you can define a policy to prevent your web browser from reading your SSH keys. The security model of SELinux has been ported to other operating systems; see SEBSD for FreeBSD and Project fmac for OpenSolaris. Read 1 review.

(3) ★★★½ Brutus (#119, 42)

This Windows-only cracker bangs against network services of remote systems trying to guess passwords by using a dictionary and permutations thereof. It supports HTTP, POP3, FTP, SMB, TELNET, IMAP, NNTP, and more. No source code is available. UNIX users should take a look at THC Hydra. Read 3 reviews.

Latest release: version AET2 on Jan. 28, 2000 (24 years, 9 months ago).

(1) ★★ EnCase (#120, new!)

EnCase is a suite of computer forensics software, commonly used by law enforcement. Its wide use has made it a de-facto standard in forensics. It is made to collect data from a computer in a forensically sound manner (employing checksums to help detect tampering). Read 2 reviews.

Latest release: version 7.10.05 on March 18, 2015 (9 years, 8 months ago).

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