Nessus
- Security scanner for Linux, BSD, Solaris, and other flavors of Unix. Performs over 900 remote security checks, and suggests solutions for security problems.
Nmap
- Developers of NMAP, a network port scanner and service detector offering stealth SYN scan, ping sweep, FTP bounce, UDP scan and operating system fingerprinting. Downloads, documentation, security tools directory and a mailing lists archive. [Windows, MacOS, Unix]
Acunetix Web Vulnerability Scanner - Scans for common security vulnerabilities such as SQL injection, cross site scripting and other web vulnerabilities.
Angry IP Scanner - A freeware IP scanner for Windows. Display NetBIOS information, MAC address; save result to CSV, TXT, HTML or XML file.
AppDetective - Penetration testing scanner that locates and assesses the strength of databases and web applications within your network.
Arirang - A webserver security scanner based on twwwscan.
Attack Tool Kit Project - An open-source utility to realize vulnerability checks and enhance security audits.
Auto IP Scanner - Scan your PC for open ports ( Http, Https, Ftp, Dns, MySql, Imap, Smtp, Pop, Dc++, Irc).
AutoScan - Am application designed to explore and to manage your network. Entire subnets can be scanned simultaneously without human intervention. OS detection, automatic network discovery, a port scanner, a Samba share browser, and the ability to save the network state.
Cum Security Toolkit (cst) - Contains a cgi script scanner with 11 anti-IDS tactics and +2200 vulnerable scripts in the database; and a port scanner with banner grabber.
DominoDig - Audits Lotus Domino web servers. Produces an HTML report that provides a list of all the unique .nsf databases it was able to access, as well as IP addresses and email addresses.
FileMaker Pro XML Scanner - Free online tool to check the security of FileMaker Pro databases that are published on the web.
Filterrules - Description and download of the GPL-licensed firewall testing and documentation tool.
Firewalk - Open source tool that tries to determine which protocols will pass through an IP firewall.
FusionVM Enterprise - FusionVM from Critical Watch automates the process of proactively managing network vulnerabilities and exposures. It enables a unified corporate process that is enterprise-wide, repeatable and measureable.
GFI LANguard - Provides information such as service pack level of the machine, missing security patches, open shares, open ports, services/applications active on the computer, key registry entries, and weak passwords. Remotely install security patches and service packs.
Gherkin - Free security scan manager incorporating Nessus vulnerability scanning, dns and nmb lookup, host resolving, and nmap fingerprinting and scanning.
HFNetChkPro - Patch management tool scans Microsoft servers and desktops. Schedule and immediate remote patch scans and installations. Freeware and command-line versions available.
IIS Vulnerability Scanner ver 1.0 - Contains 1700+ server and file checks including hundreds of unicode and directory traversal vulnerability checks for IIS.
Immunity Canvas - Tests for over 50 exploits. Licenses include full source code.
Infiltration Systems - Network security scanning software for detecting, auditing, and fixing network security exploits and vulnerabilities.
Inguama - A free penetration testing and vulnerability discovery toolkit entirely written in python.
IP Range Scanner - This tool enables the user to retrieve a list of computer host names, logon account names, MS IIS service status, and/or determine the use of non-LocalSystem accounts (used to start services).
IPSonar - IPsonar maps and provides risk assessment to network assets.
ISS - Internet Scanner Tool. Performs scheduled and selective probes of communication services, operating systems, applications and routers to uncover and report systems vulnerabilities that might be open to attack.
load balancer detector - Halberd discovers HTTP load balancers. May be useful for testing load balancer configurations and for web application auditing purposes.
MegaPing scanner - TCP and UDP portscanner and NetBIOS scanner, Displays installed service packs, open TCP and UDP ports, missing security patches.
nCircle IP360 Vulnerability Management - An appliance-based solution that proactively discovers and assesses network vulnerabilities and exposures to protect networks and IP-enabled devices.
Network Analyzing - Network scanning and auditing software which scans your network or webserver for over 20,000 exploits.
Network Scanning Software - Network scanning and auditing software which scans your network computers for vulnerabilities, exploits, and information enumerations.
NetworkActiv: Port Scanner - Network administration toolset offering port and IP scanning, whois and DNS queries and OS fingerprinting. Freeware for Windows.
NeXpose - A security scanner that runs on Win2k/XP and Linux. It has an extensible rule engine and ships with over 1000 vulnerability tests.
NGSSoftware - Security scanners and assessment tools for Oracle, Domino, and SQL Server. Checks for weak passwords and vulnerability to SQL injection and cross-site scripting.
Nikto - A web server scanner which performs tests against web servers for multiple items, including over 2200 potentially dangerous files/CGIs, versions on over 140 servers, and problems on over 210 servers.
NScan - It includes network/host scanner, a set of additional features currently limited to whois and traceroute and numerous options to fully customize the scan process.
N-Stealth Security Scanner - Vulnerability-assessment product that scans web servers to identify security problems and weaknesses on local and remote web servers. Commercial and free editions are available.
Oracle Security Scanner - This script looks for certain security issues within an Oracle database. This scanner accompanies a white paper published on security focus at http://www.securityfocus.com/infocus/1522.
PatchQuest and ScanFi - Automated patch management and vulnerability assessment software for scanning, distributing and managing patches, security hotfixes and updates across heterogeneous networks comprising Windows, Red Hat and Debian Linux systems.
PCMantra - Registry Cleaner, Anti Spyware - Offers privacy software for disk management and registry cleaning, anti-spyware and spam filter. Downloads and online sales available.
PivX Solutions Inc - Offer vulnerability and malware scanning software products for home and enterprise users.
Portswigger.net - Web application security testing software. Product details, downloads, how to order and screenshots.
Proactive Windows Security Explorer - A password security test tool that's designed to identify and close security holes by executing an audit of account passwords, and exposing insecure account passwords.
Shadow Security Scanner - Offers vulnerability auditing modules for many systems and services. These include: NetBIOS, HTTP, CGI and WinCGI, FTP, DNS, DoS vulnerabilities, POP3, SMTP, LDAP, TCP/IP, UDP, Registry, Services, Users and Accounts, password vulnerabilities, publishing extensions, MSSQL, IBM BD2, Oracle, MySQL, PostgressSQL, Interbase, and MiniSQL.
Spectator scanning tool - Scans Windows NT/2000/XP/2003 machines for P2P applications, remote-control applications, service packs, etc.
SQL Server 2000 Security Tools - Microsoft tool scans for instances of MS SQL Server 2000 vulnerable to the "Slammer" worm, and then apply updates to the affected files. Includes SQL Scan, SQL Check,and SQL Critical Update.
sqlmap: a blind SQL injection tool - SQL scanner capable of enumerating entire remote databases, and perform an active database fingerprinting.
STAT Scanner - A vulnerability assessment tool for Windows NT and Windows 2000 Enables systems administrators to find and repair security vulnerabilities.
SuperScan, SQLScan, BOping - Several security scanners, including a portscanner, a scanner for the Back Orifice, a scanner for Microsoft SQL Server "Slammer" Worm.
Sussen - A security scanner which remotely tests computers or other devices and provides a report on their vulnerabilities.
TrustSight Security Scanner - Cross-Site Scripting, SQL Attacks,OS Attacks, Directory Traversal, cookie manipulation are tested. Claims not only to be able to find not only known vulnerabilities, but also potential new ones. CVE Compatible.
Visionael Security Audit - Software providing device discovery, scanning, prioritization, and report generation of vulnerabilities.
Vulnerability Scanning Cluster Project - A web-based interface for the Nessus vulnerability scanner and a backend queue manager for scan requests. Allows users to hierarchically manage networks of hosts, scanning policies, and automated scans.