Nmap is among a network penetration tester's best friends, sitting high on a pedestal with the Metasploit Framework. I've been using the tool my entire career for network mapping and host discovery, ...

Discovering hosts and services isn't just something that hackers do. A good sysadmin needs to work with an up-to-date view of the systems they manage or those they want to keep an eye on. You have to ...

You may have heard horror stories about how easy it is for evil system crackers to probe potential victims' systems for vulnerabilities using software tools readily available on the Internet. The bad ...

If SSH is the Swiss Army knife of the system administration world, Nmap is a box of dynamite. It's really easy to misuse dynamite and blow your foot off, but it's also a very powerful tool that can do ...

Open source security frameworks help enterprises stay one step ahead of attackers by facilitating penetration testing and vulnerability assessments on wired and wireless networks. Picking just 10 ...

The United Kingdom's National Cyber Security Centre (NCSC), the government agency that leads UK's cyber security mission, is releasing NMAP Scripting Engine scripts to help defenders scan for and ...

With the sheer number of devices on my network, it's all too often that even I forget everything I’ve connected to it. Now, most of us rely on our router’s built-in analytics or basic scanning tools ...

My home and home lab network are a mess. Over the years, connecting my lab's physical and virtual machines (VMs), SAN, NAS, and other projects using various network switches, and routers have become a ...

Some in the security community are currently ticked, at least disgusted, in regard to the pen-testing Network Mapping tool Nmap after Gordon Lyon, better known as Fyodor, announced on Seclists that ...