0P3N Blog

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 ...

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 is acting as a ...

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 servers and ...

Doxing is the procedure of picking up data about somebody or something by utilizing sources on the Internet and utilizing essential reasoning abilities. Its name comes from "Documents" - in short it's the recovery of "Documents" on a person or organization.You may be thinking: "So, it's essentially getting data from looking up somebody's email on Google, right?" Yes, but there ...

Hello - Today I'll be providing a set-by-step guide to Steganography and its crypto. We'll look at its uses in third world countries and oppressive regimes that have complete control over the Net, including Cuba, Venezuela, North Korea, China, Syria etc. Oppressive systems are known to shut down secure ways of communicating, especially for activists and those who ...

With the growing concern of online privacy, this is by far the best way I've found to keep your communications private using a combination of O.T.R., TOR, Linux and a trustworthy VPN service. Note - This guide can be used by the following communities of people and others: Activists: ...

At Cybrary.it, it's all about security and penetrating. I've decided to write this little guide for testing your own firewall configuration. We're going to use Firewall Tester (FTester) tool. Important: this tool is now outdated. However, I find it still useful and nice to use for beginners. The Firewall Tester ...

It's hard to administer systems nowadays without security. Managing and administering systems almost always includes a security component, if not an outright security focus. Are you interested in moving from a systems administration position into a more security-focused role? And, do you want to design your career in information systems? As an example, consider that ...

Internet Protocols: Versions 4 and 6 Analysis and Comparison of IPv4 and IPv6   Usman Jibril Department of Management Information Systems Cyprus International University Lefkosa, North Cyprus. wushi09@outlook.com Akintoye Oluwasegun Ogundiya Department of Management Information Systems Cyprus International University Lefkosa, North Cyprus. ...

What is SQL Injection? SQL injection is a subset of the "code injection" attack method. SQL stands for Structured Query Language and is used by databases to store and retrieve information. Many websites require this capability web developers use a server-side scripting language - often PHP or ASP - to pass user input to a ...