You can consider Nmap as being one of the best-known, and in fact, one of the most useful hacking tools out there. This is a classic hacking tool and perhaps the most famous one on our list. Nmap is an abbreviation for ‘Network Mapper’ – ‘Network’ in an IT sense of the word. However, most of these tools serve a particular need, or said in a more technical way, the tools have expertise with regards to certain protocol scanning, for example, some are better at TCP ports scanning rather than UDP ports scanning and vice versa. Why Are There So Many ‘Network and Port Scanning’ Tools?Īt first, it might seem that there are a ton of ‘similar’ tools. Port scanning is a task performed in the initial phase of a penetration test (‘pentest’) in order to establish all network entry points into the target system. Of course, if a network admin (or any other IT professional) performing a scan discovers a vulnerability then their priority is to patch the hole without delay. Port scanners (of which there are several, such as Angry IP Scanner, NetScanTools, Unicornscan, and NetworkMiner) are used by the system and network administrators to verify security profiles of networks to prevent hackers from being able to identify services running on a host that have exploitable vulnerabilities. Network scanning and port scanning are often used interchangeably.

The communication and commands would be administered through the implementation of a Remote Access Tool (RAT). If a network is hacked into, or compromised, then a malicious client can be programmed to exploit vulnerabilities in the server code with the purpose of being able to gain access to sensitive data or execute malicious code remotely. An application or service that listens on port functions by receiving data (bytes) from a client application, processing that data and then sending it back. This concept refers to, somewhat obviously, scanning the network! ‘Ports’ on a network can be considered as being the entry points to a machine, or computer (box) that is connected to the Internet. We’ve tried to list as many useful and ‘user-friendly’ Port Scanning Tools that we have used in the past. Port Scanning Software, of which there is plenty, is a ‘must-learn’ if you are serious about becoming a Cybersecurity Professional. Port Scanning is one of the initial steps that a Penetration Tester (‘Ethical Hacker’) will take to determine how secure a network or web application is from black hat hackers. Why Are There So Many ‘Network and Port Scanning’ Tools?.

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