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Cybrary’s Open Blog is a user contributed cyber security knowledge base that brings together content highlighting the latest tools, exploits, technologies and insights in the industry.
 
Featuring tutorials, op-eds, research papers, user guides, cheat sheets, product reviews, official Cybrary posts, and more; The Open Blog provides the cyber security community a growing resource of content that can help professionals at all levels in their careers.


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October 7, 2015
By: Rattar
3902

Programming with Juliar
Have you ever wanted to have a webtool that can help with security? I created a simple language written in JavaScript that can be used to get you started with programming. One of the features of the language is its support for modules. There are two modules that I will go into: l33t.juliar and security.juliar, which are made specifically for security and ethical hacking. Before doing so, I would like to get you guys familiar with the language itself. The advantage of *Juliar ...
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October 5, 2015
4281

By: KaalBhairav
Q and A: What are DOS and DDOS Attacks?   Q1. What is a DOS attack? Ans: DOS attack is short for Denial of Service attack. An attacker sends a lot of garbage traffic to a server, such that it consumes all the resources on the server, rendering it unusable to the legitimate users. In the worst case, a DOS can cause the server to shut dow ...
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October 5, 2015
5383

By: scilley
I am presenting to you, the Cybrary members, a Firewall/gateway configuration that’s used here in my home/HQ for Twisted Security. It’s recommended that you learn the basic Linux Command Line operations and know how to use the tools provided to scan and monitor your firewall.   1. Install Latest Debian Distro a. Absolute mini ...
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October 2, 2015
By: Jafar Hasan
14659

An Introduction to DNS HiJacking
Hello Readers… DNS Hijacking (sometimes referred to as DNS Redirection) is a type of malicious attack that overrides a computer’s TCP/IP settings to point it to a rogue DNS server, invalidating the default DNS settings. When an attacker takes control of a computer to alter its DNS settings, the system has been DNS Hijacked. The “Domain Name System (DNS)” is mainly responsible for translating a user friendly domain name such as “google.com” to its correspondin ...
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October 1, 2015
By: Homer
23948

12 Practice Drills for the Linux Command Line
After watching the “The Linux Command Line Interface” Cybrary module, it’s important to practice the commands introduced in the module. What follows is a simple listing of commands you can run through on your own system(s) to build familiarity for the test and confidence on the command line. Down the road, it can be helpful to return to these commands from time to time. Be sure to study the each command’s output to gain greater insight into their funct ...
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October 1, 2015
13738

By: Anon.D
In a “Man in the Middle” (MITM) attack, an attacker intercepts the communication between a client (victim, in this case) and a server. Interception of communication allows an attacker to read, insert and modify the data in the MITM attack. If the communication is not encrypted, then passwords can also be captured. Thus, an attacker ...
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October 1, 2015
12567

By: KaalBhairav
Hi Cybrarians!!! I hope you are doing well and studying hard. While pursuing the Penetration Testing course, we often feel the need for our own Web servers, where we can test our skill-sets without worrying about permissions and the law. To this end, I started to gather some information and found out that we can create our own virtual web se ...
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September 29, 2015
By: Jafar Hasan
8880

How to Dox
Hello Everyone, This is my second article related to Doxing. See my first post on Doxing here. Doxing is s essentially gathering a bunch of information on a target they generally wouldn’t want you to know. Everything from name, e-mail, ZIP code and even address.   What you need: Basic social engineering Notepad   Try these steps for Doxing: 1. Get an IP address. Do this by going to http://whatstheirip.com and enter your email address. This will then give yo ...
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