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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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← previous page Tools 51–75 of 107 next page →

(3) ★★★★ Firefox (#55, new!)

Firefox is a web browser, a descendant of Mozilla. It emerged as a serious competitor to Internet Explorer, with improved security as one of its features. While Firefox no longer has a stellar security record, security professionals still appreciate it for its wide selection of security-related add-ons, including Tamper Data, Firebug, and NoScript. Read 3 reviews.

Latest release: version 40.0.3 on Aug. 27, 2015 (2 years, 2 months ago).

no rating OpenVPN (#56, 36)

OpenVPN is an open-source SSL VPN package which can accommodate a wide range of configurations, including remote access, site-to-site VPNs, WiFi security, and enterprise-scale remote access solutions with load balancing, failover, and fine-grained access-controls. OpenVPN implements OSI layer 2 or 3 secure network extension using the industry standard SSL/TLS protocol, supports flexible client authentication methods based on certificates, smart cards, and/or 2-factor authentication, and allows user or group-specific access control policies using firewall rules applied to the VPN virtual interface. OpenVPN uses OpenSSL as its primary cryptographic library. Review this tool.

Latest release: version 2.3.8 on Aug. 4, 2015 (2 years, 3 months ago).

(3) ★★★★½ L0phtCrack (#57, 30)

L0phtCrack attempts to crack Windows passwords from hashes which it can obtain (given proper access) from stand-alone Windows workstations, networked servers, primary domain controllers, or Active Directory. In some cases it can sniff the hashes off the wire. It also has numerous methods of generating password guesses (dictionary, brute force, etc). LC5 was discontinued by Symantec in 2006, then re-acquired by the original L0pht guys and reborn as LC6 in 2009. For free alternatives, consider ophcrack, Cain and Abel, or John the Ripper. Read 4 reviews.

Latest release: version 6.0.11 on Jan. 9, 2011 (6 years, 10 months ago).

(62) ★★★★★ Social Engineer Toolkit (#58, new!)

The Social Engineer Toolkit incorporates many useful social-engineering attacks all in one interface. The main purpose of SET is to automate and improve on many of the social-engineering attacks out there. It can automatically generate exploit-hiding web pages or email messages, and can use Metasploit payloads to, for example, connect back with a shell once the page is opened. Read 82 reviews.

(3) ★★★★½ Fiddler (#60, new!)

Fiddler is a Web Debugging Proxy which logs all HTTP(S) traffic between your computer and the Internet. Fiddler allows you to inspect all HTTP(S) traffic, set breakpoints, and "fiddle" with incoming or outgoing data. Fiddler includes a powerful event-based scripting subsystem, and can be extended using any .NET language. Read 3 reviews.

Latest release: version 4.5.1.5 on July 23, 2015 (2 years, 4 months ago).

(2) ★★★★ sslstrip (#61, new!)

sslstrip is an SSL stripping proxy, designed to make unencrypted HTTP sessions look as much as possible like HTTPS sessions. It converts https links to http or to https with a known private key. It even provides a padlock favicon for the illusion of a secure channel. Many HTTPS sites are normally accessed from a redirect on an HTTP page, and many users don't notice when their connection isn't upgraded. Read 2 reviews.

Latest release: version 0.7 on Dec. 18, 2009 (7 years, 11 months ago).

no rating SolarWinds (#62, 16)

SolarWinds has created and sells dozens of special-purpose tools targeted at systems administrators. Security-related tools include many network discovery scanners, an SNMP brute-force cracker, router password decryption, a TCP connection reset program, one of the fastest and easiest router config download/upload applications available and more. Review this tool.

no rating Ngrep (#63, 25)

ngrep strives to provide most of GNU grep's common features, applying them to the network layer. ngrep is a pcap-aware tool that will allow you to specify extended regular or hexadecimal expressions to match against data payloads of packets. It currently recognizes TCP, UDP and ICMP across Ethernet, PPP, SLIP, FDDI, Token Ring and null interfaces, and understands bpf filter logic in the same fashion as more common packet sniffing tools, such as tcpdump and snoop. Review this tool.

Latest release: version 1.45 on Nov. 28, 2006 (10 years, 11 months ago).

(6) ★★★★½ Splunk (#65, new!)

Splunk is a tool to search, report, monitor and analyze real-time streaming and historical IT data. It collects logs from a variety of sources and makes them searchable in a unified interface. Read 6 reviews.

Latest release: version 4.1.7 on Feb. 14, 2011 (6 years, 9 months ago).

(2) ★★★½ Angry IP Scanner (#66, 15)

Angry IP Scanner is a small open source Java application which performs host discovery ("ping scan") and port scans. The old 2.x release was Windows-only, but the new 3.X series runs on Linux, Mac, or Windows as long as Java is installed. Version 3.X omits the vampire zebra logo. As with all connect()-based scanners, performance on Windows XP SP2 and newer be poor due to limitations added to tcpip.sys. The FAQ provides details and workarounds. A short review was posted to nmap-dev in 2008. Read 4 reviews.

Latest release: version 3.0-beta4 on March 23, 2009 (8 years, 8 months ago).

(2) ★★★½ NetWitness NextGen (#67, new!)

NetWitness NextGen is a network security monitor. The heart of the monitor is the Decoder subsystem that records network traffic for analysis. The Investigator is a protocol analyzer meant to be run on captured traffic. Read 2 reviews.

Latest release: version 9.0.5.4 on March 17, 2010 (7 years, 8 months ago).

(5) ★★★★★ Secunia PSI (#68, new!)

Secunia PSI (Personal Software Inspector) is a free security tool designed to detect vulnerable and out-dated programs and plug-ins that expose your PC to attacks. Attacks exploiting vulnerable programs and plug-ins are rarely blocked by traditional anti-virus programs. Secunia PSI checks only the machine it is running on, while its commercial sibling Secunia CSI (Corporate Software Inspector) scans multiple machines on a network. Read 5 reviews.

Latest release: version 2.0 on Jan. 10, 2011 (6 years, 10 months ago).

(4) ★★★½ Immunity Debugger (#70, new!)

Immunity Debugger is a debugger whose design reflects the need to write exploits, analyze malware, and reverse engineer binary files. It builds on a solid user interface with function graphing, the industry's first heap analysis tool built specifically for heap creation, and a large and well supported Python API for easy extensibility. Read 6 reviews.

Latest release: version 1.80 on Dec. 6, 2010 (6 years, 11 months ago).

(2) ★★★ Superscan (#71, 49)

Superscan is a free Windows-only closed-source TCP/UDP port scanner by Foundstone (now part of McAfee). It includes a variety of additional networking tools such as ping, traceroute, HTTP HEAD, and whois. Some functionality has been crippled by restrictions imposed by Microsoft in Windows XP SP2 and newer releases. This tool is not really maintained (the latest release was in 2004). Read 4 reviews.

Latest release: version 4.0 on March 11, 2004 (13 years, 8 months ago).

(6) ★★★★★ Malwarebytes' Anti-Malware (#74, new!)

Malwarebytes' Anti-Malware is a malware scanner for Windows. The authors claim to use a variety of technologies to find malware undetectable by other malware scanners. There is a free trial with limited options and a supported full version with the ability to run scheduled scans. Read 7 reviews.

Latest release: version 2.1.8.1057 on June 29, 2015 (2 years, 4 months ago).

(5) ★★★★★ Netsparker (#75, new!)

Netsparker is a web application security scanner, with support for both detection and exploitation of vulnerabilities. It aims to be false positive–free by only reporting confirmed vulnerabilities after successfully exploiting or otherwise testing them. Read 5 reviews.

Latest release: version 1.8.3.3 on Feb. 10, 2011 (6 years, 9 months ago).

(7) ★★★½ HP WebInspect (#76, 36)

WebInspect is a web application security assessment tool that helps identify known and unknown vulnerabilities within the Web application layer. It can also help check that a Web server is configured properly, and attempts common web attacks such as parameter injection, cross-site scripting, directory traversal, and more. It was produced by Spidynamics, which is now part of HP. Read 10 reviews.

Latest release: version 9.10 on June 27, 2011 (6 years, 4 months ago).

(1) ★★★★★ BeEF (#77, new!)

BeEF is a browser exploitation framework. This tool will demonstrate the collecting of zombie browsers and browser vulnerabilities in real-time. It provides a command and control interface which facilitates the targeting of individual or groups of zombie browsers. It is designed to make the creation of new exploit modules easy. Read 4 reviews.

Latest release: version 0.4.5.0 on April 25, 2014 (3 years, 6 months ago).

(2) ★★★★★ Argus (#78, 5)

Argus is a fixed-model Real Time Flow Monitor designed to track and report on the status and performance of all network transactions seen in a data network traffic stream. Argus provides a common data format for reporting flow metrics such as connectivity, capacity, demand, loss, delay, and jitter on a per transaction basis. The record format that Argus uses is flexible and extensible, supporting generic flow identifiers and metrics, as well as application/protocol specific information. There is also another open source network monitoring program named Argus. Read 2 reviews.

Latest release: version 3.7 on Feb. 1, 2013 (4 years, 9 months ago).

no rating ClamAV (#80, 6)

ClamAV is a powerful AntiVirus scanner focused towards integration with mail servers for attachment scanning. It provides a flexible and scalable multi-threaded daemon, a command line scanner, and a tool for automatic updating via the Internet. Clam AntiVirus is based on a shared library distributed with the Clam AntiVirus package, which you can use with your own software. Most importantly, the virus database is kept up to date. The project was acquired by Sourcefire in 2007. Review this tool.

Latest release: version 0.98.7 on April 28, 2015 (2 years, 6 months ago).

(1) ★★★★★ Nipper (#81, new!)

Nipper (short for Network Infrastructure Parser, previously known as CiscoParse) audits the security of network devices such as switches, routers, and firewalls. It works by parsing and analyzing device configuration file which the Nipper user must supply. This was an open source tool until its developer (Titania) released a commercial version and tried to hide their old GPL releases (including the GPLv2 version 0.10 source tarball). Read 1 review.

Latest release: version 1.3.

(1) ★★★ NetworkMiner (#82, new!)

NetworkMiner is a Network Forensic Analysis Tool for Windows. NetworkMiner can be used as a passive network sniffer/packet capturing tool in order to detect operating systems, sessions, hostnames, open ports etc. without putting any traffic on the network. NetworkMiner can also parse pcap files for off-line analysis and to regenerate/reassemble transmitted files and certificates from pcap files. In contrast to other sniffers like Wireshark, NetworkMiner's display focuses on hosts and their attributes rather than raw packets. Read 1 review.

Latest release: version 1.0 on Feb. 5, 2011 (6 years, 9 months ago).

(2) ★★★★ Wikto (#83, 1)

Wikto is a tool that checks for flaws in webservers. It provides much the same functionality as Nikto but adds various interesting pieces of functionality, such as a Back-End miner and close Google integration. Wikto is written for the MS .NET environment and registration is required to download the binary and/or source code. Read 3 reviews.

Latest release: version 2.1.0.0 on Dec. 14, 2008 (8 years, 11 months ago).

(1) ★★★★★ P0f (#84, 51)

P0f is able to identify the operating system of a target host simply by examining captured packets even when the device in question is behind an overzealous packet firewall. P0f does not generate ANY additional network traffic, direct or indirect. No name lookups, no mysterious probes, no ARIN queries, nothing. In the hands of advanced users, P0f can detect firewall presence, NAT use, existence of load balancers, and more! Read 1 review.

Latest release: version 2.0.8 on Sept. 6, 2006 (11 years, 2 months ago).

(2) ★★★★★ NoScript (#85, new!)

NoScript is an add-on for Firefox that blocks JavaScript, Java, Flash, and other plugin content (allowing you to selectively re-enable them for certain sites). It also offers cross-site scripting protection. This is mainly designed to keep web users safe, but security testers can also use the add-on to see what scripts a site is using. One caution is that the NoScript author Giorgio Maone has been caught inserting hidden code into NoScript which disabled users' ad-blocking software so that ads would still show up on the NoScript web site. He did post a lengthy apology. Read 3 reviews.

Latest release: version 2.6.9.36 on Aug. 20, 2015 (2 years, 3 months ago).

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