Ethical hackers use hacking tools to identify vulnerabilities, test security controls and help organisations protect systems from cyber threats. These tools can support activities such as network discovery, vulnerability assessment, web application testing, password auditing and security monitoring—but they should only be used on systems where the tester has explicit permission.
As cyberattacks become more sophisticated, organisations increasingly rely on penetration testing and security assessments to identify weaknesses before malicious attackers can exploit them. In this guide, we explore 10 widely recognised hacking tools that ethical hackers and cybersecurity professionals use in authorised security testing in 2026.
What Are Hacking Tools?
Hacking tools are software applications, frameworks or utilities designed to help security professionals examine computer systems, networks, applications and infrastructure for security weaknesses.
The term “hacking tool” does not automatically mean the software is malicious. Many of the same tools can be used for legitimate security testing or malicious activity depending on the user’s intent and authorisation.
Ethical hackers commonly use these tools to:
Top 10 Hacking Tools Used by Ethical Hackers in 2026
The following tools are widely associated with penetration testing, vulnerability assessment and cybersecurity research.
1. Nmap
Nmap, short for Network Mapper, is one of the most established network security tools. Ethical hackers use it to discover hosts, identify available services and understand the structure of an authorised network.
Common security-testing applications include:
Nmap is particularly useful during the reconnaissance stage of a penetration test because it helps security professionals understand which systems and services are exposed.
2. Wireshark
Wireshark is a network protocol analyser that allows cybersecurity professionals to inspect network traffic.
Security teams can use it to investigate suspicious traffic, troubleshoot network problems and understand how systems communicate.
Common uses include:
Because packet captures can contain sensitive information, Wireshark should only be used on networks and traffic that the analyst is authorised to inspect.
3. Burp Suite
Burp Suite is a popular platform for testing web application security. It provides a collection of tools that help security professionals analyse requests and responses between web browsers and applications.
Ethical hackers commonly use it for:
Its broad feature set makes it a common choice for professional web application penetration testing.
4. Metasploit Framework
The Metasploit Framework is a penetration-testing platform used to validate whether known security weaknesses can be exploited in an authorised environment.
Security professionals can use Metasploit to:
Metasploit should always be used within a clearly defined testing scope. Attempting to exploit systems without permission can cause disruption and may be illegal.
5. Nessus
Nessus is a vulnerability assessment platform used to identify security weaknesses across systems and infrastructure.
It can help organisations detect issues such as:
Vulnerability scanners can help organisations prioritise remediation by providing visibility into weaknesses across their environments.
6. OWASP ZAP
OWASP ZAP, or Zed Attack Proxy, is an open-source web application security testing tool maintained by the OWASP community.
It can help security professionals identify potential weaknesses in web applications during authorised testing.
Its capabilities include:
OWASP ZAP is particularly useful for developers and security testers who want an accessible tool for learning about web application security.
7. Nikto
Nikto is an open-source web server scanner designed to identify potentially dangerous files, outdated software and insecure configurations on web servers.
Ethical hackers can use it during authorised assessments to gain a better understanding of a web server’s security posture.
Nikto can help identify:
It is generally used as one component of a broader web security assessment rather than as a complete penetration-testing solution.
8. John the Ripper
John the Ripper is a password security auditing tool. Security professionals can use it in authorised environments to evaluate password strength and identify weak credentials.
Its legitimate applications include:
Organisations can use password auditing results to strengthen password policies and encourage stronger authentication practices.
9. Hashcat
Hashcat is a password recovery and security auditing tool designed to work with various password hash algorithms.
In legitimate security assessments, professionals can use it to test the resilience of password hashes and evaluate whether organisational password policies provide adequate protection.
Security teams can use controlled password audits to understand risks associated with weak passwords and improve authentication security.
10. Aircrack-ng
Aircrack-ng is a suite of tools designed for assessing Wi-Fi network security.
Security professionals can use it in authorised wireless security assessments to evaluate the configuration and resilience of wireless networks.
Its broader toolkit supports activities such as:
Wireless testing should always be performed against networks for which the tester has explicit authorisation.
Hacking Tools Comparison
|
Tool |
Primary Purpose |
Common Ethical-Hacking Use |
|
Nmap |
Network discovery |
Mapping authorised networks |
|
Wireshark |
Packet analysis |
Investigating network traffic |
|
Burp Suite |
Web security testing |
Assessing web applications |
|
Metasploit |
Penetration testing |
Validating vulnerabilities |
|
Nessus |
Vulnerability assessment |
Finding security weaknesses |
|
OWASP ZAP |
Web application testing |
Identifying web vulnerabilities |
|
Nikto |
Web server scanning |
Checking server configurations |
|
John the Ripper |
Password auditing |
Testing password strength |
|
Hashcat |
Password auditing |
Assessing password-hash resilience |
|
Aircrack-ng |
Wireless security testing |
Assessing Wi-Fi security |
How Ethical Hackers Use Hacking Tools
Professional penetration testing generally follows a structured process rather than simply running random tools.
Reconnaissance
The tester gathers information about the authorised target environment. This can include identifying systems, applications, domains and exposed services.
Scanning and Enumeration
Security professionals use appropriate tools to understand which services are available and where potential weaknesses may exist.
Vulnerability Assessment
Potential vulnerabilities are identified and evaluated based on their severity, exploitability and business impact.
Controlled Validation
Where explicitly permitted by the rules of engagement, ethical hackers may safely validate whether a vulnerability is actually exploitable.
Reporting
The final stage involves documenting findings, explaining their potential impact and providing recommendations for remediation.
How to Choose the Right Hacking Tool
There is no single tool that is best for every security assessment. The right choice depends on the target environment and testing objective.
Consider:
Testing objective: Are you assessing a network, web application, wireless environment, endpoint or password policy?
Authorisation: Make sure the tool will only be used against systems covered by the testing agreement.
Accuracy: Automated tools can produce false positives, so important findings should be manually reviewed.
Integration: Professional security teams may need tools that integrate with vulnerability-management, reporting or security-monitoring workflows.
Skill level: Some tools are relatively easy to learn, while advanced penetration-testing platforms require significant cybersecurity knowledge.
Are Hacking Tools Legal to Use?
Hacking tools themselves are not inherently illegal. Their legality depends heavily on how and where they are used.
Using a security tool to assess your own systems or an environment where you have explicit permission is generally part of legitimate cybersecurity testing. Using the same tool to access, disrupt or compromise someone else’s system without authorisation can result in serious legal and security consequences.
Before performing any security assessment, establish:
Why Ethical Hacking Is Important in 2026
Cybersecurity teams cannot rely solely on traditional security controls. Regular testing helps organisations identify weaknesses that may otherwise remain unnoticed.
Ethical hacking can help businesses:
The growing complexity of cloud environments, APIs, remote work, connected devices and AI-enabled applications also makes continuous security assessment increasingly important.
Skills You Need to Work With Hacking Tools
Knowing how to operate a security tool is only one part of becoming an ethical hacker.
Important foundational skills include:
Ethical hackers also need strong problem-solving and communication skills because they must explain technical vulnerabilities to people who may not have a technical background.
Understand Cyber Threats and Learn How to Prevent Attacks
Develop a practical foundation in cybersecurity by learning how common threats work, how vulnerabilities can affect organisations, and how effective security practices can reduce risk.
Frequently Asked Questions About Hacking Tools
What are hacking tools?
Hacking tools are software applications used to assess, analyse, or test the security of systems, networks, and applications. Cybersecurity professionals use them for authorised penetration testing, vulnerability assessment and security research.
What hacking tools do ethical hackers use?
Common tools include Nmap, Wireshark, Burp Suite, Metasploit, Nessus, OWASP ZAP, Nikto, John the Ripper, Hashcat and Aircrack-ng.
Is Nmap an ethical hacking tool?
Yes. Nmap is widely used by cybersecurity professionals for authorised network discovery, service identification, and security auditing.
Is Metasploit used by ethical hackers?
Yes. Metasploit is commonly used in authorised penetration testing to validate vulnerabilities and assess security controls.
Which hacking tool is best for beginners?
The best starting point depends on the learner’s goals. Nmap and Wireshark are useful for developing networking and security fundamentals, while OWASP ZAP can provide an accessible introduction to web application security testing.
Are hacking tools illegal?
Hacking tools are not automatically illegal. However, using them to access or interfere with systems without permission can be unlawful. Always conduct security testing within an authorised scope.
What is the difference between ethical hacking and malicious hacking?
Ethical hacking is performed with permission to identify and help fix security weaknesses. Malicious hacking involves unauthorised access, disruption, theft, or other harmful activity.
Do ethical hackers need to know programming?
Programming is not always required for entry-level security testing, but scripting and programming knowledge can significantly improve an ethical hacker’s ability to automate tasks, understand applications and analyse vulnerabilities.
Can hacking tools protect a business?
The tools themselves do not protect a business automatically. Security professionals use them to identify weaknesses, validate controls and provide information that organisations can use to improve their security.
Final Thoughts
The right hacking tools can give ethical hackers valuable visibility into networks, applications, systems and security controls. Tools such as Nmap, Wireshark, Burp Suite, Metasploit and Nessus each serve different purposes, and experienced security professionals typically combine multiple tools as part of a structured assessment.
However, technical tools are only one part of cybersecurity. Understanding networking, vulnerabilities, authentication, operating systems, applications, and risk is equally important. Most importantly, security testing should always be performed responsibly and with explicit authorisation.
For anyone interested in entering cybersecurity, developing a strong foundation in threats, vulnerabilities, and defensive security is an excellent place to begin.
