0P3N Blog

#hacked "Hello, Freedom Hosting II, you've been hacked." That's the message visitors to any of the 10,000 affected websites that were a part of a Dark Web hack received recently. So, it seems Anonymous isn't afraid to pwn their peers. Talk about a very, very tangled web. The Dark Web ...

Intro Juliar.Future is the latest iteration of Juliar Programming Language. The compiler is built on top of JAVA, so everywhere JAVA can run, the compiler can run.  This is a huge step we've taken to eliminate having to build a compiler for each version. ...

Picking up the thread from a previous post on structured software design and CASE, it’s worth examining some of the major development methodologies and their evolution. Where SA/SD and CASE deal with the process of designing and creating software products, methodologies are concerned with the process of getting them built. They exist within the realm ...

Hello, Cybrarians! Today we will continue our discussion about Security, as mentioned in Introduction to Computer Science Security , math is the core of security, and as I promised I will try to make this part as simple as possible. Before we start our discussion, I'd like to mention that during this tutorial, you ...

You turn on the evening news and a breaking report flashes, “Major Data Breach of Huge Corporation, details at 11” and you immediately begin to question, “could this happen to my organization?” In the wrong hands, privileged accounts represent the biggest threat to enterprises and unfortunately are a reality for many companies who are not exercising the right precautions.According to ...

Breaches. Breaches. In the past two years, we have read, witnessed or even been affected by attacks even on some fortune 500 companies. The attacks have become sophisticated, notorious and devastating. This calls for advanced blue team efforts which should be focused and relentless. For all we know, the attacker is always ahead.Most companies I have interactions with have ...

One of my challenges during my tenure in college was the discovery of new and creative ways to make learning and retention easier for myself. I made note of the positive effects of activities which created reinforcement, and a sense of confidence over the subject matter. Eventually, I observed that hands-on interaction during events such ...

     *Data as of 2/7/17 Data is a beautiful thing. In many ways, it's almost artistic because it can help us paint a picture of abstract concepts. You may have questions about Cybrary Micro Certifications, 'who's taking them and what do they certify?' We hope this info graph can provide ...

The two constants of the universe are death and taxes, however, advancements in life extension and anti-aging research threaten to up end the former. Taxes are eternal and in some cases, literally. Estates and heirs are often hounded by the IRS for the tax obligations of the deceased. In the event that death is eventually knocked from ...

This challenge requires skills both in exploit development, reverse engineering and writing scripts using python. In this challenge we got a file named“baby-6971f0aeb454444a72cb5b7ac92524cd945812c2.tgz”After extracting this file we’ll be presented with two files; “baby” and “libc.so”. Our targeted file that we’re required to exploit is “baby”. As we get used to doing when analyzing and reversing binaries and files especially ...