NETWORKING / FOUNDATION01
IP addresses: how devices find each other
Public vs private addresses, IPv4 basics and the role an IP plays every time you connect.
Learn Ethical Hacking From Zero
Learn how the internet breaks—and how to secure it.
Clear, practical lessons in Linux, networking, pentesting and cybersecurity. No jargon wall. No skipped steps. Just the foundations you need to build real skills.
Linux • Networking • Pentesting
Client packets
TLS 1.3 · ENCRYPTED
Secure destination
NetworkingHow data really moves
LinuxYour security toolkit
PentestingThink like a tester
Cyber safetyDefend everyday life
Knowledge hub
Start with the concepts that power everything else.
Short explanations that connect theory to the tools, traffic and threats you will encounter in cybersecurity.
NETWORKING02
DNS without the confusion
See how a domain name becomes an address your browser can reach.
NETWORKING03
Common ports you should know
A practical map of the doors services use—from web traffic to secure shells.
WEB SECURITY04
HTTPS and TLS: what the lock means
Understand encryption in transit and what HTTPS protects—and what it does not.
WEB SECURITY05
Cookies, sessions and tokens
How websites remember you, keep you signed in and decide what your browser is allowed to do.
CYBER SAFETY06
Is your phone compromised?
Separate real warning signs from normal glitches, then respond methodically.
Hands-on learning library
Fifty-two tutorials. One clear path from basics to practice.
52guided tutorials · seven focused categories
Work through networking, Linux, security concepts and essential tools. Commands are for your own devices and permission-based labs only.
Knowledge check
Choose from 102 focused quiz sets.
1,020questions · 102 sets · 10 questions each
Complete any set and score 70% or higher to generate a personalized Hack With K certificate.
Your starting route
One roadmap. Three layers of skill.
Move in order. Each stage gives the next one context, so the tools make sense instead of becoming commands to memorize.
STAGE 01
Understand the terrain
Before testing anything, learn how computers, networks and the web communicate. These concepts become your mental map.
Networking essentialsIP · DNS · DHCP · PORTS
Linux command lineFILES · USERS · PROCESSES
Web fundamentalsHTTP · TLS · SESSIONS
STAGE 02
Build your toolkit
Learn what security tools reveal, how to read their output and why a result matters before reaching for automation.
Traffic inspectionPACKETS · PROTOCOLS · FILTERS
Service discoveryHOSTS · PORTS · VERSIONS
Web testing workflowREQUESTS · INPUTS · EVIDENCE
STAGE 03
Practice responsibly
Apply the process in intentionally vulnerable labs. Always test only systems you own or have clear permission to assess.
Lab methodologySCOPE · TEST · DOCUMENT
Write useful findingsIMPACT · EVIDENCE · FIX
Repeat and deepenREVIEW · RETEST · TEACH
Published across the channel
Latest posts from Hack With K.
Watch the newest networking and cybersecurity explainers where they were published.
Latest on Instagram
View @hack_withk ↗Day 2 — DNS (Domain Name System): the internet's phonebook
Watch on Instagram ↗What is an IP Address — and how does it actually work?
Watch on Instagram ↗COMMON PORTS YOU SHOULD KNOW! (80/443, 22, 53, 3389, 3306)
Watch on Instagram ↗How does HTTPS actually keep your data safe? (TLS handshake)
View on Instagram ↗Cookies vs Sessions vs Tokens — most developers get this wrong in interviews
View on Instagram ↗Latest on YouTube
Visit Hack With K ↗10 Secrets Hackers Use to Stay Untraceable
Watch on YouTube ↗10 signs You're Becoming a Hacker
Watch on YouTube ↗Why 90% of Cybersecurity Beginners Quit
Watch on YouTube ↗Telegram
CHANNEL LINK · NO INDIVIDUAL POST LINKS
Open channel
Join the Telegram channel
Get community notes, updates and free learning resources from Hack With K.
Learn everywhere
Pick the format that keeps you moving.
Quick visual lessons, searchable video guides and community updates—connected around the same beginner-first curriculum.
The Hack With K method
Security education should make you more capable, not more confused.
01
Start with the “why”
A command is easier to remember when you understand the system behind it.
02
Show the full chain
Connect networking, operating systems and web behavior instead of teaching isolated facts.
03
Practice ethically
Use permission-based labs, document your work and learn to recommend fixes.
Your next lesson is one click away.
Follow the networking series on Instagram, then continue with video breakdowns on YouTube.
Contact me
Let’s talk cybersecurity.
Have a learning question, tutorial request, correction or collaboration idea? Reach KUNAL GAUTAM through any of the official Hack With K channels.
Please do not send passwords, one-time codes or other sensitive information.