So far, in my previous articles on Nmap, we've looked at how the scanner can be used to map and audit a network, as well as track down noncompliant devices and services. But hackers can also use Nmap ...

Most people might figure that once you set up your network security-wise, what's done is done, and besides routine updates, ...

Remember that scene in The Matrix when Trinity uses a realistic Nmap port scan, followed by an actual SSH exploit (long since patched) to break into a power company? Well, believe it or not, but that ...

(With -T1 it's 217sec). So -T5 helps but it's still very slow. An online port scanner like grc.com can find a port over the internet faster. I was hoping it could do ...

A number of weeks ago, I provided and described a script that uses nmap to quickly scan a system or subnet for activity on a particular port. Useful for detecting, say, web servers or Oracle ...