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Nmap

Person using binoculars among foliage.
Aug 22, 2013

Welcome back, my fledgling hackers! One of the first issues any hacker has to address is reconnaissance. Before we even begin to hack, we need to know quite a bit about the target systems. We should k ...

Earth view from space highlighting North America, with a starry background.
Aug 6, 2013

Welcome back, my hacker novitiates! Finding vulnerabilities in systems can be one of the most time-consuming tasks for a hacker. There will be times, though, when you'll find yourself in a position th ...

Person working on a computer with code and software applications displayed on the screen.
May 22, 2013

Welcome back, my nascent Hackers! In my last blog, we looked at a passive way to gather information necessary for a hack. The advantage of using passive recon is that it's totally undetectable, meanin ...

"Hacking Reconnaissance: Finding Vulnerabilities in Your Target Using Nmap" cover image
Feb 28, 2012

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 ...

"How to Spider Web Pages with Nmap for SQLi Vulnerabilities" cover image
Jan 15, 2012

The already robust and ingenious Nmap tool has received a whole slew of new scanning scripts that can be used to do all sorts of naughty endeavors. Notably, the SQLi module, since it is a necessary ev ...

"How Hackers Use Your IP Address to Hack Your Computer & How to Stop It" cover image
Oct 18, 2011

Your IP (Internet Protocol) address is your unique ID on the internet. It's synonymous with your home address. Anyone in the world can contact your computer through its IP address, and send a retrieve ...