CryptoGen Nepal

OS Command Injection (Shell Injection) is a security vulnerability that allows an attacker to execute an arbitrary command through a vulnerable endpoint. Command injection is executed by exploiting the host application operating system (OS) of a targeted device.

If a command injection point is found on a targeted endpoint, the…

What is Active Directory?

Active Directory (AD) is a directory service developed by Microsoft for Windows domain networks. It is included in most Windows Server operating systems as a set of processes and services. Initially, Active Directory was used only for centralized domain management. However, Active Directory eventually became an umbrella title for a…


Email security is the term for any procedure that protects email content and accounts against unauthorized access. Email protection is important because of cyber threats like social attacks that target organizations via email (and other communication channels). For example, phishing emails might trick users into giving up sensitive information, approving…

For completing the practical session, we have created a Docker repository to host the challenges.


Docker is a set of the platform as service products that use the Operating System-level virtualization for delivering software in packages (containers). These containers are isolated from each other and they contain their own libraries, configuration files. Although they are isolated, it can be still made possible for them to communicate with each other via well-defined channels.


For installing docker, you can visit to install according to your operating system. After installation, you can move on with installing our image for moving along with a practical demonstration on day 2.

You can download and run the docker container from

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A military combat offense necessitates quick decision-making, decisions that could mean life or death at any moment. This level of quick thinking and decision making is critical to gaining a competitive advantage on the battlefield and can even determine who ultimately wins. According to Art of war by Sun Tzu…

CryptoGen Nepal


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