0P3N Blog

TCPING is a utility that operates similarly to PING; however, it works over a TCP port. This utility can be very useful for troubleshooting network connectivity and performance issue at Layer 3 and Layer 4. TCPING can also speak HTTP. If the '-h' flag is used, tcping will connect and attempt to download the given URL over HTTP in ...

There are currently 2 billion smartphone users in the world. These users have amassed over 268 million downloads. It should then come as little surprise that cybercriminals have turned their attention to attacking mobile devices and the users to which they’re attached. Mobile devices infected with malware currently stands at 1.12% as reported by IBM ...

Introduction: The security weaknesses of WEP led researchers to  design a new standard under the name 802.11i. The main security protocols of the 802.11i standard are the Wireless Protected Access (WPA) and the Wireless Protected Access II (WPA2). Although these protocols provide significant higher security level than WEP they also present serious issues ...

My Kindle is my best friend. There I said it.And if you’re like me then chances are you want to soak up every ounce of knowledge you can when it comes to the topics you love. Books are a great source for that, and expanding your interests to the furthest corners of the industry will only help you become a ...

The following statistics are very sobering and disturbing: More the 80% of US-based companies have been hacked This number includes major companies such as Target, Sony, and Home Depot These incidents caused consumer’s sensitive personal and ...

Cross-site request forgery [CSRF], also known as "one-click attack" or session riding or Sea-Surf and abbreviated as CSRF or XSRF, is a type of malicious attack exploit of a website (“Web Application”); where unauthorized commands are transmitted from a user that the website trusts. The impact of a successful CSRF attack is limited to the capabilities exposed by the ...

A certified ethical hacker is a computer programmer hired by a business to attempt to break into a computer system with the purpose of discovering vulnerabilities and other things a malicious hacker could potentially exploit, resulting in significant damage.Ethical hackers use the same methods and programs as their harmful counterparts but instead of using them to cause ...

According to US News and World Report, software developers enjoy a median salary of $95,510 annually. In addition to this higher than average salary, the unemployment rate is very low (about 2.5%) and people in this field enjoy a nice work-life balance. It is a constantly changing, ever evolving field.Given all the positive aspects surrounding this field, it is ...

Python Guide Python is a programming language that lets you work quickly and integrate systems more effectively. The standard library of python has its documentation which is available, as it the case for tutorials and guides. The source code and installers are available for download for all versions. The latest version is Python 3.5.2. Running Python ...

Step 1: Reconnaissance Phase. Prior to an attack, the penetration tester should know as much as possible about the target environment and the characteristics of the system. The more targeted information the penetration tester finds, the better the chances of identifying the easiest and fastest way to succeed. Black-box testing requires more reconnaissance than ...