Network Terminology

Virtual Local Area Network (VLAN) A VLAN, or Virtual Local Area Network, is a logical segmentation of a physical network allowing multiple groups of devices to be separated into distinct broadcast domains even if they share the same physical infrastructure. In simple words, imagine you have a big school with lots of classrooms and manyContinue reading “Network Terminology”

The Role of NTP Servers in Information Security: Why Accurate Time Matters

In the world of cybersecurity, we often focus on firewalls, intrusion detection systems, encryption algorithms, and endpoint defenses. Yet, one of the most fundamental elements of a secure and reliable IT infrastructure is often overlooked: time synchronization. This is where the Network Time Protocol (NTP) server comes into play. NTP is more than just aContinue reading “The Role of NTP Servers in Information Security: Why Accurate Time Matters”

Pretty Good Privacy (PGP)

Understanding Pretty Good Privacy (PGP) and Its Importance in the Digital Age In our increasingly digital world, the security and privacy of communication have become paramount. With the constant threat of cyberattacks, surveillance, and data breaches, individuals and organizations are looking for reliable ways to protect their sensitive information. One of the most well-regarded toolsContinue reading “Pretty Good Privacy (PGP)”

SSL vs TLS: An Information Security Perspective

It is no longer something extra — in the present digital world, security of data is needed more than ever. Many organizations and individuals focus on the security of their online communications, and often the subjects of SSL (Secure Sockets Layer) and TLS (Transport Layer Security) arise. Although SSL and TLS can be mentioned inContinue reading “SSL vs TLS: An Information Security Perspective”

WiFi Security

WiFi is an acronym for ‘Wireless Fidelity’ which is one of methods by which computer/device may connect to the internet with out the use of wires. This is a technique of communication between the devices like routers, Computers, tablets, smartphones and other related hardware it makes use of radio frequencies. Security Risks and WiFi ThreatsContinue reading “WiFi Security”

Lab 2:  Network Security Groups and Application Security Groups

Objective You have been asked to implement your organization’s virtual networking infrastructure and test to ensure it is working correctly. In particular: Exercise 1: Create the virtual networking infrastructure Step 1: Type Virtual networks and press the Enter key and click + Create. Step 2: Fill in the details On the IP addresses tab ofContinue reading “Lab 2:  Network Security Groups and Application Security Groups”

Near Field Communication (NFC)

Near Field Communication, or NFC, is a short-range wireless communication technology that enables devices to interact with each other within a close proximity, typically within a few centimeters. It operates at a frequency of 13.56 MHz and can be used for various applications, such as contactless payment systems, secure access control, and data sharing between devicesContinue reading “Near Field Communication (NFC)”

HackTheBox – Precious

NMAP Scanning Add website to hosts file: Open the web service This website takes a web page URL and converts it into PDF. On examining the pdf, it shows that it is using pdfkit v0.8.6 version On searching we found vulnerability for mentioned version On studying the POC it looks like the URL parameter isContinue reading “HackTheBox – Precious”

Net Sec Challenge

What is the highest port number being open less than 10,000? 8080 There is an open port outside the common 1000 ports; it is above 10,000. What is it? 10021 How many TCP ports are open? 6 What is the flag hidden in the HTTP server header? THM{web_server_25352} What is the flag hidden in theContinue reading “Net Sec Challenge”

AWS Infrastructure as Code (IaC)

IaC allows you to write a script to provision AWS resources. The benefit is that you provision resources in a reproducible manner that saves time. CloudFormation CloudFormation allows you to provision AWS resources using IaC. Features: Provides a repeatable process for provisioning resources. Works with most AWS services. Create templates for the resources you wantContinue reading “AWS Infrastructure as Code (IaC)”