Nessus!

Metasploit Community Edition simplifies network discovery and vulnerability verification for specific exploits, increasing the effectiveness of vulnerability scanners such as Nexpose - for free. This helps prioritize remediation and eliminate false positives, providing true security risk intelligence. IT professionals can demonstrate the impact of vulnerabilities to IT operations to obtain buy-in for remediation.

SHODAN is a search engine that lets you find specific computers (routers, servers, etc.) using a variety of filters. Some have also described it as a public port scan directory or a search engine of banners.

The Open Vulnerability Assessment System (OpenVAS) is a framework of several services and tools offering a comprehensive and powerful vulnerability scanning and vulnerability management solution.

A fully automated, active web application security reconnaissance tool. Key features: High speed: pure C code, highly optimized HTTP handling, minimal CPU footprint - easily achieving 2000 requests per second with responsive targets. Ease of use: heuristics to support a variety of quirky web frameworks and mixed-technology sites, with automatic learning capabilities, on-the-fly wordlist creation, and form autocompletion.

Audit your website security and web applications for SQL injection, Cross site scripting and other web vulnerabilities with Acunetix Web Security Scanner. Download Free Edition!

IronWASP (Iron Web application Advanced Security testing Platform) is an open source system for web application vulnerability testing. It is designed to be customizable to the extent where users can create their own custom security scanners using it. Though an advanced user with Python/Ruby scripting expertise would be able to make full use of the platform, a lot of the tool's features are simple enough to be used by absolute beginners.

Sucuri is the de facto standard in website malware monitoring and cleanup. You get hacked, get a virus or trojan, we clean up the mess! No need to worry about malware anymore.

Intruder is a proactive security monitoring platform for internet-facing systems.

webcheck.me Free online website scanner. Checks security, seo, performance and mail problems. Provides free snapshots (full-page, hi-quality), provides a basic spell check.

SCAP is a line of standards managed by NIST. It was created to provide a standardized approach to maintaining the security of enterprise systems, such as automatically verifying the presence of patches, checking system security configuration settings, and examining systems for signs of compromise.

For all the scans WPScans.com perform they use the latest technology in vulnerability scanners. Their custom scanning technology includes the use of WPScan, the most reliable and up-to-date WordPress scanning software. In addition, WPScans keep track of all known bugs in WordPress and have a reliable database to query for this. If there is a bug or security issue with your WordPress it will most likely show up in the scans. The scanning technology relies on deep scans and can provide instant reports. »

Yang is yet another Nikto GUI; Software for analyzing and securing your servers. Yang establish diagnostics on :

Core Impact Pro is the most comprehensive software solution assessing and testing security vulnerabilities throughout your organization. Core Impact Pro tests across a broad spectrum of risk areas including: - endpoint systems - passwords & identities- mobile devices- wireless networks- web applications & web services- network systems

Network Hotfix Scanner is a free advanced hotfix check utility that scans network computers for missing hotfixes and patches, and helps you download and install them. NetHotfixScanner gives you a quick look at the hotfixes and patches installed or missed on any remote computer in your corporate network, it tells you by colored icons specific security bulletin rating ( critical, important, moderate ), title, description and bulletin URL. The tool is designed with a user-friendly interface and is easy to use. »

Welcome to PatrolServer. We scan your server real-time for outdated software and exploits. All delivered by mail and an easy to use dashboard.