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”
Tag Archives: linux
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”
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”
Common Linux Privilege Escalation
Used room: https://tryhackme.com/room/commonlinuxprivesc Privilege Escalation is a practice. It mainly depends upon configuration done in the system that acts as a weakness to escalate the privileges. These configurations can be of many types. For e.g.: So, today or tonight we will see various methods to do privilege escalation in Linux. Step 1: Enumerate the machineContinue reading “Common Linux Privilege Escalation”
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”
Securing Linux
Linux enjoys various benefits with regards to security, yet no operating system is absolutely secure. One issue at present confronting Linux is its fame. For quite a long time, Linux was fundamentally utilized by a more modest, more tech-driven segment. Presently, its expanding use frees it up to the well-established issue of more clients promptingContinue reading “Securing Linux”
OWASP Juice Shop
Day 1 Task – Injection Question #1: Log into the administrator account! Capture the request and change the parameters Click on send button See response in browser The token used is a jwt token which can be easily decoded from jwt.io After decoding you get the password Login with the credentials Here is your flag.Continue reading “OWASP Juice Shop”
Upload Vulnerabilities
Task 1 – Deploying Machine Task 4 – Overwriting Existing Files What is the name of the image file which can be overwritten? Answer – mountains.jpg Overwrite the image. What is the flag you receive? Step 1: Download a sample image Step 2: Change the name of the image Step 3: Now select the downloaded image toContinue reading “Upload Vulnerabilities”
