0P3N Blog

I have posted before about the importance of a truly random number generator. I created a very simple tool that I am still building. It takes physical sources of entropy and other software sources of randomness and produces hashes and random numbers that can be used for many different applications.My goal is to make this as simple as possible - no ...

It’s no secret that cryptocurrency has been taking the world by storm, with fast food chains leveraging Bitcoin as part of marketing campaigns to attract customers. Just this week, KFC unveiled the ‘Bitcoin Bucket’ in Canada, which sold out almost instantly. This ploy, while a clever tactic, points at the pervasiveness of the growing cryptocurrency trend, which ...

DHCP (Dynamic Host Configuration Protocol) in Windows Server Environment It is a protocol used to provide IP addresses automatically to clients. DHCP server uses port no. 67and DHCP client uses port no.68. It is used in workgroup and domain as well. ...

There are four partitions in an active directory: SCHEMA PARTITIONIt is the place where domain controller stores the information’s of objects and their attributes by the help of schema master role. DOMAIN PARTITIONIt is the place of active directory database where the information’s of domains will be stored with the help of domain ...

Virtual private networks, or VPN are in high demand now. More and more people access their confidential data using public networks. Therefore, the threat of theft of this data has substantially increased. Here's what you need to know about it. What does the VPN do? Virtual private networks provide ...

Among the tools available to create shell-code capable of going undetected by  Anti-Virus (AV) software, OWASP-ZSC ( Z ero-day S hell C ode) may be the most versatile. Shellcode is basically instructions  that executed when the code is injected into a running application such SMB and other vulnerable services and applications. Buffer overflows are  most often ...

  What is Metadata Metadata provide information about other data. It is simply a description of data. Metadata contain some elements described below : Who created it and when Who last modified it and when Tags and its categories ...

Error Based Injection Error based injection mainly concentrated on Hacking Microsoft powered technologies like asp and aspx. Error based injection works on MS-SQL database and is bit different from the previous attack that is Union Based injection deployed on My-SQL database.• Here Database will be Ms-Sql Database:MY-SQL : PHPMS-SQL :  .asp or .aspx Difference between Union and Error ...

We’re pleased to be partnering with Cisco for this post. Scroll down to see a chance to win! Only Fortune 100s need to worry about cybersecurity, right? Unfortunately, this is a mindset that many individuals, small business owners, and even corporations believed. We now know that it simply isn’t the case. All ...

What makes you valuable in this highly competitive IT industry? An Experience, experience with knowledge and what else?   With these two you need to be tech-trained and have one of the top IT certifications. Acquiring a globally recognized professional certification is ...