SMTP Enumeration and Pentesting Guide for Email Server Security
Learn comprehensive SMTP penetration testing techniques including banner grabbing, user enumeration, and brute force attacks to identify and secure email server vulnerabilities.
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
.CZwgU4XS.png){kind=small}
A.DxTOtdSG.png){kind=small}
B.SmL5F4oQ.png){kind=small}
C.BuOMEzTU.png){kind=small}
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...
Chinese Code Cipher Decoder
.DgE8n3lY.png)
A.DOgYv6WN.png)
B.BxXQzGnp.png)
C.Dv09KU6X.png)
D...
Decode messages using the Chinese Code cipher, a unique scout code based on intersecting vertical an...
Daggers Alphabet Cipher Encoder/Decoder
.D1PqRfkP.png){kind=small}
A.B-M0EuXq.png){kind=small}
B.C6Rfa3ov.png){kind=small}
C.CmCV6s4a.png){kind=small}
D...
Encode and decode messages using the Daggers Alphabet cipher, a substitution cipher that uses dagger...
Dancing Men Cipher Encoder/Decoder
.DU64Ue1L.png){kind=small}
A.DcO192XZ.png){kind=small}
B.xwNOye9_.png){kind=small}
C.B-EoFV0G.png){kind=small}
D...
Encode and decode messages using the Dancing Men Cipher, a substitution cipher from the Sherlock Hol...
Enderwalk Language Encoder/Decoder
._7KfTqUD.png)
A.BGfvr60d.png)
B.UdUBr1Ic.png)
C.C94ioTvS.png)
D...
Encode and decode messages using the Enderwalk Language cipher, a mysterious alien-like script inspi...
Latest Blog Posts
View all posts 禄
路 Security
NetBIOS Enumeration Cheatsheet
NetBIOS Enumeration Cheatsheet - Comprehensive guide to NetBIOS enumeration with practical commands and techniques for hackers.
路 Security
Symbol Ciphers in CTF Challenges: A Complete Guide to Decoding Visual Cryptography
Master symbol ciphers in CTF competitions with this comprehensive guide covering Pigpen, Wingdings, Dancing Men, and other visual cryptography techniques used in cybersecurity challenges.
CTF Cryptography Cheatsheet/Checklist
CTF Cryptography Cheatsheet - A practical cheatsheet, checklist, and guide for Cryptography CTF challenges.
Latest News
View all news 禄Stay updated with the latest news in cybersecurity and technology.
5 Powerful React Component Libraries Built on ShadCN/UI
Explore five exceptional React component libraries built on top of ShadCN/UI. From production-ready dashboards to beautifully animated UI sections, these open-source kits offer performance, accessibility, and design excellence for modern web apps.
This Hidden HTML Hack Turns Google Gemini Into a Phishing Weapon
Security researchers have discovered a serious vulnerability in Google Gemini for Workspace that allows attackers to inject hidden commands into emails, leading to convincing phishing attempts鈥攁ll without links or attachments.
Massive Browser Hijack: 2.3M Chrome & Edge Users Hit by Trojan Extensions
Over 2.3 million Chrome and Edge users were compromised by 18 malicious browser extensions in the RedDirection campaign. Learn about the Trojan threat, affected extensions, and how to protect yourself.
Want to work
together?
I'm always open to discussing cybersecurity projects and opportunities.
Let's connect and make the digital world more secure!