Ask any security, network or systems administrator about the top tools in their toolbox and Nmap is likely on their list. Short for Network Mapper, the versatile utility does everything from ...

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 ...

All network infrastructures are at risk, due to sophisticated hackers and cyber threats. Bad actors can discover and exploit vulnerabilities, ruining a company's reputation and causing a loss of ROI.

Nmap, short for Network Mapper, is a free and open source tool used for vulnerability checking, port scanning and, of course, network mapping. Despite being created back in 1997, Nmap remains the gold ...

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Most people might figure that once you set up your network security-wise, what's done is done, and besides routine updates, not much is going to change. You fix things when something breaks, when a ...

If you’re looking for a way to discover which ports are standing wide open on network machines, read about a powerful cross-platform solution that will do the trick. Editor’s note on June 4, 2015: ...

Open port router security matters more than you think. Learn how fast hackers scan for open ports and the steps to lock down ...