0P3N Blog

The History of Black Hat “From its inception in 1997, Black Hat has grown from a single annual conference in Las Vegas to a global conference series with annual events in Abu Dhabi, Barcelona, Las Vegas and Washington DC. It has also become a premiere venue for elite security researchers and the best security trainers ...

Cookies and Sessions Sometimes, websites need to track the movement of visitors. They need to understand when a user is logged in. For example, when you log into Gmail and then navigate to the 'Compose Mail' web page of Gmail, it does not ask you to log in again. It 'remembers' that you are already logged in. Websites ...

#heist Hide yo kids, hide yo cryptocurrency. It's been 2 weeks since we last reported on the Bithumb hack where over $1M USD in Bitcoin and Ethereum were stolen, but since that initial heist, there are two additional hacks to report.  A hacker who remains unknown has stolen over $32M in USD worth of ...

Let's first of all talk about footprinting. Footprinting refers to collecting as much as possible information about a network target from publicly available resources. It’s the first step in ethical hacking. Using Footprinting helps the hacker to find several ways to intrude the target’s network/system. Ethical hackers , or pen testers, use several ...

I have launched a  Women In Cyber Initiative  and I feel overwhelmed by all the support received from my contacts: men and women.  With the current situation in cyber security, the forecasted skill shortfall, the security challenges and the rise of cyber crimes, we might think that we all should be worried.  We might think ...

How to move the company's information system into the cloud: On the one hand, you hear that "everyone" is working, and on the other hand, you get stories about the big expenses of something that should actually save you money. It only remains to precisely assess your needs and move forward, step by step. Cloud is expanding and ...

  Information Gathering – Intro Gathering information AKA reconnaissance phase is the first step when conducting a penetration testing operation. Actually, it is the most time-consuming phase of the overall work by gathering information about a given target. This will be the intro to a series of episodes (articles) which will cover some IG tools dedicated ...

Hello, Cyber Security enthusiasts to another article in s3curi7y.tn. Today, we will talk about whaling and some of the techniques an attacker may use. We will cover the implementation of several commonly used effective methods of social engineering (SE) in phishing CEOs. This is known as 'whaling'. ...

§          Purpose of Firewall The firewall should prevent unwanted traffic, block "downtime" on the local network and protect the computers in it. As long as the applications used strictly defined ports and protocols, it was also possible using conventional firewall devices that block traffic on a particular port and/or ...

According to research by Northeastern University, “The total amount of data in the world was 4.4 zettabytes in 2013. That is set to rise steeply to 44 zettabytes by 2020. To put that in perspective, one zettabyte is equivalent to 44  trillion  gigabytes.”I’ve emphasized in my recent post about SQL vs Oracle Databases the importance data has ...