CTF Cryptography Cheatsheet/Checklist
CTF Cryptography Cheatsheet - A practical cheatsheet, checklist, and guide for Cryptography CTF challenges.
Hi, I'm Neeraj Singh.
Cybersecurity Engineer
Specialized in Cyber Security, Software Testing and Developement I'm Neeraj Singh Panghal, currently working as a Cybersecurity Engineer . I have hands-on experience with security assessments, CTFs, HackTheBox, and TryHackMe challenges. Passionate about implementing robust security solutions.
Security Philosophy: Defense in Depth, Zero Trust, and Proactive Protection
Technologies I Use
Some of the technologies I've worked with:
Python
GitHub
VS Code
Terminal
Bash
AWS
Linux
Cloudflare
Docker
Electron
Notion
Supabase
Tauri
Vite
Windows
Markdown
Professional Experience
A brief overview of my professional journey in cybersecurity and software testing
Cyber Security Intern
xIoTz, Bengaluru CurrentContributed to the development of xIoTz eXtended Operation Centre (XOC), a unified cyber assurance platform integrating NOC, SOC, TOC, CSPM, and NGVA. Worked on automated threat Detection & responses and integrated Wazuh for security monitoring.
SDET Intern
Frugal Testing, HyderabadAutomated web/API testing using Java, Selenium, and Postman. Improved CI/CD with GitHub Actions. Used JIRA, Trello, and Allure for reporting and defect tracking.
Cyber Security Intern
Gurugram PoliceWorked on real-world cases in bug hunting, digital forensics, OSINT, and cyber law. Performed penetration testing with tools like Nmap, BurpSuite, and Metasploit.
Achievements & Certifications
My professional accomplishments and credentials
Speaker at Google Developer Club, LPU
Took a workshop on Cryptography and Forensics CTF challenges.
CTF Competition Winner
First place in Capture The Flag competition organised by CyberHack at LPU, demonstrating advanced cybersecurity skills.
Hosted and created CTF Challenges - multiple organizations
Designed and hosted CTF challenges for cybersecurity events across various organizations.
Selected for Smart India Hackathon 2023 - National Levels
Qualified and represented at the national level in Smart India Hackathon, Created a GUI based Portable Memory Dumping Forensics Tool using Python in 48 hours.
Featured Projects
Check out some of my latest work in cybersecurity and software development
Latest In Development
WhatMyServerDoing : Server Monitoring Tool
Latest In Development
A tool to monitor server activity and performance in real-time.
Completed
QA WatchDog : A QA Checklist Project with Python and QT
Completed
A Python-based tool designed to simplify QA testing with secure multi-user login, easy installation, and organized test checklists.
Completed
Raw Dump Tool : Effortless Data Extraction
Completed
A tool for extracting and dumping raw data from various sources quickly and efficiently.
Cipher Decoders & Encoders
Online tools to encode and decode various ciphers. Perfect for CTF challenges, cryptography puzzles, and learning about different encryption methods.
Bill Cipher Encoder/Decoder
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D...
Encode and decode messages using the Bill Cipher, a substitution cipher from the show Gravity Falls.
Birds on a Wire Cipher Encoder/Decoder
A
B
C
D...
Encode and decode messages using the Birds on a Wire Cipher, a substitution cipher where letters are...
Daggers Alphabet Cipher Encoder/Decoder
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D...
Encode and decode messages using the Daggers Alphabet cipher, a substitution cipher that uses dagger...
Dancing Men Cipher Encoder/Decoder
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D...
Encode and decode messages using the Dancing Men Cipher, a substitution cipher from the Sherlock Hol...
Gravity Falls Rune Cipher Encoder/Decoder
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D...
Encode and decode messages using the Gravity Falls Rune Cipher, a mystical substitution cipher from ...
Hexahue Alphabet Cipher Encoder/Decoder
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D...
Encode and decode messages using the Hexahue Alphabet Cipher, a substitution cipher where letters ar...
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Want to work
together?
I'm always open to discussing cybersecurity projects and opportunities.
Let's connect and make the digital world more secure!