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Welcome to HCL GUVI

Hey there! Welcome to HCL GUVI—Grab Your Vernacular Imprint—where tech learning is easy, fun, and curated specially for you. Incubated by IIT Madras & IIM Ahmedabad in 2014 and now part of HCL Group, we're making quality tech education accessible to all.

Join 3M+ learners breaking barriers and upskilling for a brighter future. We're here to guide you every step of the way! 🚀

LIVE Classes

Zen Classes are HCL GUVI's most refined and flagship product—live, expert-led tech programs for beginners and pros. With IITM Pravartak affiliations, master Full-Stack, Data Science, DevOps, UI/UX, and more in multiple languages!

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Courses

Looking for flexibility? HCL GUVI's 200+ self-paced courses let you learn anytime, anywhere! From free lessons to IIT-M & Autodesk-certified programs, gain in-demand skills in your preferred language.

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Practice Platforms

Enhance your coding skills with HCL GUVI's Practice Platforms—interactive, structured, and designed to help you master programming effortlessly.

CodeKata:

A structured coding practice platform with 1500+ coding problems designed by industry experts. Ideal for beginners and professionals preparing for tech interviews with real-world coding challenges.

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WebKata:

An interactive platform to master HTML, CSS, JavaScript, and Bootstrap with a live coding environment. Perfect for hands-on web development practice without any setup.

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SQLKata:

A practice ground for mastering SQL queries used in real-world applications. Write, optimize, and refine your queries to build strong database skills.

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FixTheCode:

Hone your bug-fixing skills with real-world debugging challenges in Python, C++, JavaScript, and Golang. More languages coming soon!

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IDE:

A free online compiler supporting 20+ programming languages with auto-complete, debugging, and AI-powered code generation—all in the cloud!

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Leaderboard

Climb the leaderboard as you earn Geekoins by learning and practicing! The top scorers get featured, making learning competitive and rewarding. Keep going—you could be next!

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Rewards

Earn Geekoins by watching videos and practicing problems, then redeem them for exciting rewards. The more you engage, the more you win!

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Referral

Love learning with HCL GUVI? Share it with friends! Invite them using your unique link or code and unlock exciting rewards—Amazon vouchers, iPhones, and more. A Win-Win.

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Profile

Your HCL GUVI profile is your digital portfolio! Track progress, showcase skills, add projects, and build a resume. Keep it updated—opportunities await!

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That's It! You Are Ready!

You're all set to dive into your learning journey with HCL GUVI. Explore, upskill, and make each step count—exciting possibilities awaits!

Accelerate your Career

Cryptography and Network Security

Name: Cryptography and Network Security
Price: 1499 INR
Rating: 4 (1000 reviews)

This course covers the basics of cryptography and network security, from classical encryption to modern protocols like AES, RSA, and SSL. Students will gain hands-on knowledge of key management, digital signatures, and cyber threat defenses, equipping them with practical skills to protect data in real-world networks.

Cryptography and Network Security Thumbnail

Join 2.0k geeks

4.0

2000+

enrolled

8 Hours

of Recorded Content

4 Modules

with Certifications

English

Language

Only₹1499

₹200025.04% OFF

Professionals from Top Industries Learn from Us

Course Overview

This course offers a complete learning path for anyone looking to understand the basics of cryptography and network security. It goes beyond theory, giving students practical insights into real-world encryption methods, secure communication protocols, and threat defense strategies. From classical cryptography and block ciphers to RSA, AES, and digital signatures, each topic is explained with clarity and depth. Students will also explore authentication systems, firewalls, and cyberattack prevention techniques. What sets this course apart is its structured approach, starting from fundamentals and advancing to complex mechanisms, making it ideal for beginners and professionals alike. With a focus on hands-on application and modern standards, students walk away with strong technical skills and the confidence to safeguard digital systems in today's evolving cybersecurity landscape.

Explore Our Industry-Aligned Curriculum

Course Syllabus

Course Requirements

Basic computer knowledge and interest in cybersecurity or encryption
Willingness to learn cryptography and network security fundamentals

Real Career Stories Powered By Upskilling

"Previously in IT services, I wanted to upgrade to a new field but didn’t know how. The trust I got from HCL GUVI was enormous; I quit my job and took HCL Guvi Courses . I’ve now been placed as a Data Scientist at AI Enterprise Software India Ltd. I’m feeling blessed and didn’t expect this level of help!"

Sonia Kola

Data scientist

"I wanted to make a career shift to IT, so I joined the HCL Guvi Courses. I interviewed with 10 companies and received 3 offers. I eventually accepted an offer from a product-based company and am currently working as a Software Developer at iQuanti India Pvt. Ltd."

Rakesh

Software Developer

"My world changed after joining HCL GUVI. The Courses helped me to develop apps from scratch—a vital skill for any developer—and I worked on projects like GooglePay and YouTube clones. I was placed at a product-based company, Zest Money. If you want to upskill and join a product-based company, I highly recommend the HCL Guvi Courses."

Muntha Pawan Kumar

Software Developer

"I enrolled in the UI/UX Design course at HCL GUVI to master the art of user-centric design. The course was brilliantly structured, moving from wireframing basics to high-fidelity prototyping and user testing. Learning tools like Figma and working on real-world case studies helped me a lot ."

Shaik Ahmad

Associate Product Manager