0P3N Blog

Cybrary’s Open Blog is a user contributed cybersecurity knowledge base that brings together content highlighting the latest tools, exploits, technologies and insights in the industry.

How to get Nessus Certified and Why Technology Specific Certifications are so Valuable
By: Olivia
March 23, 2017

As the Cybrary site continues to change, and trust me when I say there are many changes coming (good ones!), the Micro Certification catalog will only continue to expand.In my recent post, I mentioned more certifications geared toward specific vulnerabilities would be coming soon, but in addition to that, we are drawing-in expertise from industry leader’s to ...

[Part 1]$~Metasploit for Beginners
By: spiritedwolf
March 23, 2017

Hello, everyone! Let me first introduce myself. My name is Spirited Wolf and I love to share my knowledge with everyone and anyone who needs it. You can contact me on Cybrary or on my  Facebook . Now, let's get started. What ...

Kali Linux For Ethical Hacking Part 1a & 1b [Video Series]
By: bjacharya
March 23, 2017

Part 1a: Info Gather with DMITRY Lab (published 2/16/2017) Hello everyone. I'd like to give a warm welcome to beginners who are trying to roll with Kali Linux Tools for Ethical Hacking. Here is my next series for those of you who are thinking about starting Ethical Hacking Labs with tools available in Kali Linux. This is a video ...

Tutorial: Avoid Antiviruses and Compromise Workstations - Part 1
By: JPMinty
March 23, 2017

It's 2017 and traditional Antivirus solutions are becoming more and more obsolete with every passing day. The rise of exploit kits and "do it yourself malware" means that organizations can no longer rely solely on Antivirus solutions to keep them safe. In fact, someone with little experience can now make a unique piece of malware that is capable of ...

Kali Linux - Hacking Tutorials
By: pnp.007
March 22, 2017

Nmap - Network Mapper Network Mapper is an open source and a very versatile tool for Linux system/network administrators. Nmap is used for exploring networks, perform security scans, network audit and finding open ports on a remote machine. It scans for Live hosts, Operating systems, packet filters and open ports running on remote hosts.  OPHCRACK- Windows ...

Tutorial: FTP Automated Shell Scripts
By: Bmsr256
March 22, 2017

In this post, I will show you some Unix shell scripts to automatically work with FTP servers. These are scripts that FTP to a remote server and then close the FTP connection to that server when the file has been transferred.These are the shellcodes for those three script files. CODE: Execute_FTP.sh ./Parser.sh username password /home/cybrary/Documents/OUT DiskAlert.txt /tmp/Alert/VDS ...

Best Resources for Learning Android Programming or Anything Else
By: rcubed
March 21, 2017

This post is a follow-on to the series I began a few weeks back on mobile app development in general and Android coding in particular. It’s also the concluding post in the series. The previous post on getting started with Android development walked you through the steps of installing Android Studio and creating a demo ...

Anatomy of a Ransomware Attack - Part 6
By: AjayRandhawa
March 21, 2017

RANSOMWARE PROTECTION, PREVENTION, MITIGATION We don’t think paying the ransom is the best idea because there’s no guarantee the criminals won’t up the ante, or that they’ll actually follow through on their promise to send you the keys to decrypt your files. And paying the ransom also supports a cyber criminal enterprise that will ensnare more victims. ...

The "Myth" of Confidential Customer Credentials
March 20, 2017

Is there such a thing as "Confidential Customer Credentials" anymore? Article By: Jeremy Bannister (CYBER SECURITY EAGLE) Recently there was information released about Google’s G-mail customer user account credentials becoming the latest to be put on sale on the Dark Net, along with numerous Yahoo customer user account credentials that stem from numerous cyber-attack incidents spanning from ...

How to Secure the SSH Service
By: lscianni
March 20, 2017

SSH is considered a secure protocol, and depending on your environment, the default server configuration may work with a little tweaking of the daemon configuration file. Still, as we will go over in this article, there are some options you may want to configure your SSH servers for more security and control. What is SSH? The Secure Shell protocol is ...