With the rise in cyber threats and the increasing need for stronger digital security measures, cybersecurity has become a prominent issue in the IT world. One of the best ways to ensure your systems are secure is through Penetration testing (Pen testing), where you try to attack your own systems to find any vulnerabilities that malicious hackers could exploit. The search for the 'best Pen testing software' is crucial in establishing a robust security system. Today, we shall delve into the top 10 Penetration testing tools that are making waves in 2022.

1. Metasploit

The undisputed king of Penetration testing tools is Metasploit. This open-source tool comes with a command-line and a GUI version, enabling beginners to intermediate users to run exploit code against their systems to identify weakness.

2. Wireshark

A staple in the toolkit of every tester out there, Wireshark helps monitor the traffic coming in and out of your network. Its ability to dissect your network packets allows you to see what's happening at a granular level, qualifying it as one of the best Pen testing software.

3. Nessus

Nessus, with its strong focus on compliance checks, configuration auditing, and IP scanning, is a potent vulnerability scanner that checks your databases, networks and web servers for potential exploits and weaknesses.

4. Nmap

Another open-source software, Nmap, the 'Network Mapper', captures packets in real time and displays networks' mapping with a plethora of features making it an invaluable resource in Penetration testing.

5. OWASP Zap

OWASP Zap offers automated scanners along with a set of tools that allows manual testers to find security vulnerabilities. It is ideal for developers and functional testers as well as security experts, hence its place on the list of best Pen testing software.

6. Burp Suite

Primarily a web Penetration testing tool, Burp Suite is made for solving web-related issues. It allows for mapping and analyzing attack surfaces, making it a beloved tool for those focused on web-related exploits.

7. Acunetix

Acunetix aims to identify a vast array of vulnerabilities in web applications, with its strength lying in detecting over 6500 web vulnerabilities, making it an industry leader in web-Penetration testing tools.

8. SQLMap

When it comes to database exploits, SQLMap is a fantastic tool. It can detect and exploit database-related vulnerabilities, including a wide range of database management systems, thereby enabling testers to fortify their systems against database attacks.

9. Aircrack-ng

Dealing with network-related vulnerabilities, Aircrack-ng is a suite of tools that helps assess WiFi network security. Its abilities include monitoring, attacking, testing, and cracking, making it one of the essential network-focused tools.

10. John the Ripper

One of the best Pen testing software for password security, John the Ripper, tests and breaks weak passwords, thereby ensuring your facilities are guarded against such exploits.

In Conclusion, these penetration testing tools serve as the front line of defense against potential cyber attacks, making them crucial for maintaining a secure and robust digital infrastructure. Equipped with the best pen testing software, you can identify and eliminate vulnerabilities in your systems, keeping them safe from cyber threats. As you choose the right tools for your specific needs, keep in mind that the effectiveness of pen testing largely lies in the hands of the user, their technical expertise, and how the tool fits into their security infrastructure.