What is Vulnerability?

A vulnerability is cyber security term which describes the weakness in the system security design, process, implementation, or any internal control that may result in the violation of the system's security policy. In other words, the chance for intruders (hackers) to get unauthorized access.

What is Vulnerability Assessment?

Vulnerability assessment is a software testing type performed to evaluate the security risks in the software system in order to reduce the probability of a threat.

What is the importance of is vulnerability assessment in the company?

  • It helps you to detect security exposures before attackers find them.
  • You can create an inventory of network device, including system information and purpose.
  • It defines risk level which exists on the network.
  • Establish a benefit curve and optimize security investments.

Following is a handpicked list of Top Vulnerability Scanning Tools , with its popular features and website links. The list contains both open source(free) and commercial(paid) software.

1) Nessus Professional

Nessus professional is a vulnerability assessment tool for checking compliance, search sensitive data, scan IPs, and website. The tool is designed to make vulnerability assessment simple, easy, and intuitive.


  • It has advanced detection technology for more protection.
  • The tool offers complete vulnerability scanning with unlimited assessments.
  • It provides accurate visibility into your computer network.
  • Plugins which deliver timely protection benefits from new threats.
  • It allows you to migrate to Tenable solutions safely.
  • This tool deteccts SQL injection attack.

Link: https://www.tenable.com/products/nessus/nessus-professional

2) BeyondTrust

Beyond Trust is a free online vulnerability scanner that finds configuration issues, network vulnerabilities, and missing patches across applications, devices, virtual environments, and operating systems.


  • This tool has a user-friendly interface for streamlined vulnerability assessment, management, and content.
  • It provides patch management.
  • Improve risk management and prioritization.
  • The tool provides support for VMware that includes virtual image scanning.
  • It allows you to integrate with vCenter and scan virtual application for security.

Link: https://www.beyondtrust.com/tools/vulnerability-scanner

3) Intruder

Intruder is a cloud base network vulnerability scanner for your external infrastructure. This tool finds security weaknesses in your computer systems, to avoid data breaches.


  • You can synchronize your external IPs and DNS hostnames.
  • It is a developer-friendly software which can be integrated with Slack or Jira so that team can know security issues.
  • The tool has Network View that helps you to keep track of your exposed ports and services.
  • You can receive email and Slack notifications when scans complete, and summary PDF reports emailed on a monthly basis.
  • Intruder.io has more than 10,000 security checks for each vulnerability scan.

Link: https://intruder.io

4) Tripwire IP360

Tripwire IP360 protects the integrity of mission-critical systems spanning, virtual, physical DevOps, and cloud environments. It delivers critical security controls, including secure configuration management, vulnerability management, log management, and asset discovery.


  • Modular architecture that scales to your deployments and needs.
  • The tool has on prioritized risk scoring features.
  • It helps you to maximize your organization productivity via integrations with various tools you already use.
  • Accurately identify, search, and profile all assets on your network.

Link: https://www.tripwire.com/products/tripwire-ip360/

5) Wireshark

Wireshark is a tool which keeps watch on network packets and displays them in a human-readable format. The information that is retrieved via this tool can be viewed through a GUI or the TTY mode TShark Utility.


  • Live capture and offline analysis
  • Rich VoIP analysis
  • Compressed Gzip files can be decompressed on the fly
  • Output can be exported to plain text, XML, or CSV
  • Multi-platform: Runs on Windows, Linux, FreeBSD, NetBSD, and many others
  • Live data can be read from PPP/HDLC, internet, ATM, Blue-tooth, Token Ring, USB, and more.
  • Decryption support for many protocols that include IPsec, ISAKMP, SSL/TLS, WEP, and WPA/WPA2
  • For quick, intuitive analysis, coloring rules can be applied to the packet
  • Read or write many different capture file formats like Cisco Secure IDS iplog, Pcap NG, and Microsoft Network Monitor, etc.

Link: https://www.wireshark.org/

6) Paessler

Paessler security vulnerability assessment tool has an advanced infrastructure management capability. The tool monitors IT infrastructure using technologies like SNMP, WMI, Sniffing, REST APIS, SQL, and others.


  • You can monitor jFlow, sFlow, IP SLA, Firewall, IP, LAN, Wi-Fi, Jitter, and IPFIX.
  • It provides alerts via email, plays alarm audio files, or triggering HTTP requests.
  • The tool provides Multiple user web interfaces.
  • It has automated failover handling.
  • You can visualize your network using maps.
  • Paessler allows you to monitor networks in various location.
  • You can get the numbers, statistics, and graphs for the data you are going to monitor or configuration.

Link: https://www.paessler.com/network-security-monitoring

7) OpenVAS

OpenVAS is a vulnerability scanner that helps you to perform authenticated testing, unauthenticated testing, industrial protocols, and various high level and the low-level Internet and industrial protocols.


  • You can perform vulnerability tests with a long history and daily updates.
  • Includes more than 50,000 vulnerability tests.
  • It provides performance tuning and internal programming code to implement any type of vulnerability test you want to perform.

Link: http://www.openvas.org/

8) Aircrack

Aircrack is one of the handy tools required to check vulnerability and to make your Wi-Fi network secure. This tool is powered by WEP WPA and WPA 2 encryption Keys which solve vulnerable wireless connections problems.


  • More cards/drivers supported
  • Provide support to all types of OS and platforms
  • New WEP attack: PTW
  • Support for WEP dictionary attack
  • Protect you from Fragmentation attack
  • Improved tracking speed

Link: https://www.aircrack-ng.org/

9) Comodo HackerProof

Comodo HackerProof revolutionizes the way you test your website and app security. It includes PCI Scanning and site inspector for website scanning.


  • The tool is built with the latest technology that invites more interaction, building trust for any web site.
  • Comodo allows the user to present credentials on your website.
  • This software product provides more website credibility without changing the layout of web pages.
  • 100+ people are associated with Comodo brand.
  • Not vulnerable to popup blockers
  • It uses rollover functionality to tell visitors that the website is trusted.
  • Software interrupts your website visitors to take any actions and steal your valuable business.

Link: https://www.comodo.com/hackerproof/

10) Microsoft Baseline Security Analyzer (MBSA)

Microsoft Baseline Security Analyzer (MBSA) provides a streamlined procedure to find common security misconfigurations and missing security updates.


  • MBSA scan for update rollups, missing security updates, and service packs available from Microsoft Update.
  • The download is available for various languages like English, German, Japanese, and French.
  • This tool includes a command-line interface and graphical user interface that performs a local or remote scan of Microsoft Windows Systems.
  • Scans agent computer system and inform about missing security patches.
  • Places the required MBSA binaries on all MOM agents.

Link: https://www.microsoft.com/en-us/download/search.aspx?q=MBSA

11) Nikto

Nikto analysis web servers for 6700+ potentially dangerous programs. This tool checks for server configuration items such as HTTP server options, the presence of multiple index files, and will attempt to identify installed web servers and software.


  • Full HTTP proxy support
  • The tool automatically finds outdated server components.
  • Save reports in HTML, plain text, CSV, XML, or NBE.
  • It has a template engine for easy report customization.
  • Scan multiple servers or multiple ports on a server.
  • Host authentication with Basic, and NTLM.
  • Authorization guessing handles any directory.

Link: https://cirt.net/Nikto2

12) Solarwinds Configuration Manager

Solarwinds Configuration Manager is a software which is used to handle configs through policy management, backup, and automation. This tool reduces the time needed to manage critical changes and repetitive tasks across complex, multi-vendor networks.


  • You can locate the current configuration and instantly apply it to a replacement spare, or to roll back a blown configuration.
  • Protect your Cisco devices from malware.
  • It provides effective troubleshooting and network management to your Palo Alto Networks firewall.
  • The tool detects faults, identify, and corrects a range of configuration errors.
  • You can know devices connected to the network, their hardware, and software configurations.
  • Control who can view device details and make configuration changes and determine when network changes can occur.

Link: https://www.solarwinds.com/network-configuration-manager

13) Nexpose Community

Nexpose is a useful vulnerability management software. With this tool, you can monitor exposure in real time and adapts to new threats with fresh data.


  • Get a real-time view of risk.
  • It brings innovative and progressive solutions that help the user to get their jobs done.
  • Know where to focus.
  • Bring more to your security program
  • Provide IT with necessary details they have to fix any issues.

Link: https://www.rapid7.com/products/nexpose/