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.

Security+ Without A+ Or Network+?
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January 1, 2016

Hello all, My name is Tobin, and I am a high school computer science teacher in the US. I want to embed Cybrary into my courses, but I need to find out which ones will work for me. While I totally understand the need for A+ and Network+ certifications, I wanted to know how 'stand alone' Security+ is, and if ...

Security+ Notes
By:
January 1, 2016

Hey everyone. I just passed the CompTIA Security+ exam this morning, and I can't thank Cybrary enough for the training. I thought I would give a little bit back to the community, and release my notes that I took throughout all the videos. I hope someone gets some use out of them! Also, if you have time, check out my ...

Security+ Cert Before Network+
By:
January 1, 2016

How important is Networking for Security+? Would it be unwise to pursue Security+ certification before Network+? I'm currently pursuing my A+ certification (passed the 801, now studying for the 802). So I'm still in the beginning stages in this field. But I want to get Security+ certified (got a job prospect already that requires just that) before getting into Network. ...

Using Cybrary To Pass The Security+ Exam
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January 1, 2016

Hello everyone. Has anybody used these training videos for s+ and actually passed the exam? Good question, though we should bare in mind that these videos have only been available for a couple of months.. unless I'm mistaken. Well thats true. Has the syllabus changed yet? Cuz if so the training might be outdated. I think the material is the same, yet the ...

Screened Subnet Vs Triple-homed Firewall
By:
January 1, 2016

Hi all, I have recently been going over some practice tests and I came across these 2 terms used to describe 2 ways of providing secure services to unsecured parts of the network, but wherever I look, people seem to be using them interchangeably. To my mind they are defined by: Screened subnet = one firewall with 3 NICs configured ...

Samba Buffer Overflow Exploit
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January 1, 2016

I've Googled to my wits end. I can't find an example of how to actually utilize this particular buffer overflow. I have a VM running Samba 3.0.28a - vulnerable to a buffer overflow. The exploit can be found in Kali at /usr/share/exploitdb/platforms/multiple/dos/5712.pl. How can I actually USE the code? I can't figure out what I need to do to run ...

Ruby On Rails
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January 1, 2016

what is this language ruby on rails and what is it used for..? hi santu143! In short Ruby on rails is a web application framework which helps web application developers jump start getting their applications up and running quickly and managing them much easier than coding every thing from scratch. As the name implies, Ruby on Rails is based on the ...

Revershell Over Internet
By:
January 1, 2016

i am running kali in a virtual machine both my router and the virtual machine are configured with NAT.when i am trying reverse shell over lan(from virtual machine to virtual machine). I am able to use the reverse shell. How to use reverse shell over wan with nat configured router and nat configured kali vm Basically you have to make sure ...

Restore Mailbox From EDB To PST Tool
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January 1, 2016

If you are thinking how to convert EDB to PST Outlook file so without thinking more just make use of the best EDB to PST Converter Software that nicely works for recovery of damaged and inaccessible exchange EDB File to convert exchange EDB file to PST Outlook file, EML, MSG, HTML and EMLX format with emails, contacts, calendars, task, notes, ...

Remnux Vs Kali
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January 1, 2016

A few of my class mates love working in Kali, and to be honest Kali has it good qualities, however there is something about Remnux that I feel works very well with Malware Analysis. Would it be beneficial for me to continue my studies with Remnux or should I focus on both distros? From what I have read on the site, ...