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Basic Concept and Usage of SSH Tunnel
by Digit Oktavianto
Do you know telnet? rsh? rlogin? Those are the programs that allow you to connect to remote server whether it is located in a local network, or connect to the remote server across the internet. The problem is, when you use a program like telnet, communication between local and remote pc becomes very insecure as telnet sends the password in clear text. Hence, instead of using telnet, it is advisable to use SSH as your program to communicate between your pc and your remote pc. SSH provides secure encrypted communications.
SSH Tunnels: How to Attack Their Security
by Andrea Zwirner
You will learn how to use SSH tunnels to bypass network and web application firewalls, antiviruses; how to encapsulate SSH tunnels to bypass proxies and content inspection devices; how privilege separation programming pattern enforces local processes security; how to trace SSH daemon activities in order to steal login passwords and sniff SSH tunneled communications catching inter-process communications.
by Alva "Skip" Duckwall
Secure Shell, or SSH, is a series of cryptographic network protocols which are used as replacements for several older, unencrypted protocols such as telnet, rlogin, and rsh. What originally started out as a way to secure console connections with remote machines has evolved into a robust suite of protocols that allow for file transfers, support for multiple console connections over a single link, the ability to forward X11 communications, as well as the ability to forward traffic in a variety of different ways. The focus of this article is going to be on this last feature, namely using SSH to tunnel traffic in a variety of different ways and their value during a penetration test. You Will Learn about the differences between a local, a remote, and dynamic port forwarding; usage scenarios for the various methods of port forwarding and how to use “Netcat” mode in SSH.
DIY SSH Tunneling: How to Create an SSH Tunnel
by Ben Moore
This article will walk you through using free and open-source software to create an SSH tunnel to your own PC protecting you from man-in-the-middle attacks while using open networks. The pieces necessary for creating your own SSH tunnel are: a PC to use as a terminus for the tunnel, an SSH server, a TTY application to establish the tunnel, and a remote session client.
The Problem with OpenSSL
by Colin Renouf
This article will look at OpenSSL and how its prevalence represents a problem; undermining any efforts in heterogeneity; concentrating on Linux as the base operating system platform. It outlines how the principles of defence in depth means that true heterogeneity is required, with use of other SSL/TLS implementations; and some unusual and “bleeding edge” architectural solutions.
WPS: Does It Make Our Wireless Networks Really Safer?
by Bart Leppens
Often experts criticise wireless networks protected with WEP. But no matter how strong the encryption of a wireless network is if you are able to extract key, you still get in. WPS can be a possible vector of attack. The tools: “reaver” and “wash” will help you to check if your devices are vunerable against WPS brute-forcing.
Pen Testing: Nature vs. Nurture
by Tony Campbell
One question many pen testers (or wanna-be pen testers) ask is, what are my career prospects? This questions stems from the fact that pen testing is an extremely parochial and niche skills set and for some, the word professionalism can conjures up images of consultants in suits and managers with whiteboards, rather than the stereotyped shell-coders burning the midnight oil with pizza and xtra strong Java coffee. This article looks at the prickly subject of professionalism, certification and training for penetration testers, especially in contrast with an industry that is predominantly staffed with self-taught, driven, Olympic-medalist computer specialists, who happen to have landed their dream job doing what they love the most - to crack stuff open to see how it works.
Dial ‘S’ for Scammers
by Adam Kujawa
We all live virtual lives, where we share, discuss and discover new things about ourselves and everyone else every single day. There are many tools we use to accomplish this, from social networking sites like Facebook, online video games like Runescape and social communication applications like IRC, Windows Live Messenger and the audio/video communication program Skype. As we continue to become more reliant on these devices to keep us connected, cyber-criminals are exploiting that reliance more and more. There are dangers that all Skype users currently face as well as a historical look at cyber-crime in social media. The most dangerous vulnerability we currently face is nearly unpatchable and has been successful in victimizing users for as long as man has existed. It is not a software bug or a hole in policy, but the natural trusting and gullible nature of the human mind.
The Physical Aspects of Cybersecurity and Their Importance – NISPOM
by Marc Gartenberg
For those who just joined, we are analyzing the different aspects behind the central policy document of the US Federal Government and its various Agencies titled NISPOM. The National Industrial Security Program Operating Manual (NISPOM) looking at the strengths and weaknesses of what the United States Department of Defense set out as standards and methods for their contractor base. In this last installment we’ll take a look at Chapters 10 through Appendices, which detail the requirements for International Security Requirements, Miscellaneous Information such as TEMPEST, Defense Technical Information Center (DTIC) an Independent Research and Development (IR&D) Efforts, and the Appendices.
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