How to enumerate Subdomains of an Organization
Netcraft Sublist3r Python script Example of use: sublist3r -d example.com -p 80 External references CEH v10: Module 2 Footprinting
Cloud Deployment Models
This post features different types of clouds. This post is part of the introduction to cloud computing. Virtual Private Cloud (VPC) Featured Cloud Deployment Models Cloud Deployment Models: Private Cloud: A private cloud, also known as internal or corporate cloud,…
Security Testing Methodologies
Security Testing Methodologies: List of Security Testing Methodologies Open Web Application Security Project (OWASP) Open Web Application Security Project (OWASP) is the Open Web Application Security Project, which is an open-source application security project that assists the organizations to purchase,…
Types of Security Controls
Types of Security Controls: Preventive: Prevent security violations and enforce various access control mechanisms. Detective: Detect security violations. Corrective or recovery: Used to restore systems. Deterrent: Used to discourage. Compensating: Used as an alternative control when the intended controls failed.…
Possible Values of OS-dependent Java System Properties
There are some system properties that can be obtained from Java code. Some of these examples are: Code example: System.getProperty(“os.name”) List of possible os values This is not a complete list. os.name values: Windows NT Windows 98 Windows XP…
How to change the Class File Version of a Java Application
A class file contains Java bytecode, it means, the code of a Java application that can be executed by a Java Virtual Machine (JVM). Class files have a .class extension, and are generated from source code files from Java files,…
How to install JRE or JDK in Ubuntu
This post explains how to install or update Java components JRE or JDK in operating system Ubuntu. It may be compatible with other Debian-like or Ubuntu-like Linux distros, like Linux Mint, etc. Step-by-step Procedure 1. Install repository Open a…
Java Platform
This post explains the most relevant concepts about the software needed to run and/or compile Java on a device. It also clarifies the differences between concepts like JVM, JRE, JDK, OpenJDK or Java SE. Java Platforms A Java platform is…
How to reference a File on a Java Application
When referencing resources in a Java project, as for example photos, sound clips, video, etc., it is important to do it correctly because otherwise we may find errors when executing the application out of the IDE from a JAR file…
Types of Software Licenses
This post summarizes the types of software licenses. When comparing software licenses, some are more permissive or restrictive than others, indicating that the limitations of use are more expanded or limited. These licenses are introduced on this post in descending…