Open to Opportunities
▸ Inverness, Scotland · United Kingdom

KARTHEEK REDDY.

AI & Cybersecurity Professional. MSc Advanced Cyber Security with Distinction — specialising in penetration testing, network security, encryption, and ISO 27001 & GDPR compliance. Focused on building resilient, secure systems.

Top 3%
TryHackMe Global
10+
Certifications
3
Projects Shipped
Scroll
01

About

Building a career at the intersection of intelligence and security — where every threat is a problem worth solving.

Dedicated and detail-oriented cybersecurity graduate with a strong foundation in network security, ethical hacking, and risk assessment. Passionate about safeguarding digital assets and mitigating cyber threats across organisations of all sizes. I bring hands-on experience across freelance IT consulting, software testing, and customer-facing environments.

Penetration Testing Network Security Encryption ISO 27001 GDPR Compliance Ethical Hacking Linux Python Risk Assessment Digital Forensics Incident Response SQL Server Threat Intelligence Wi-Fi / 802.11 HTML5 Tailwind CSS CTF
Satya Sai Kartheek Reddy Nallamilli — AI & Cybersecurity Professional
0%
MSc Distinction Grade — Cardiff Metropolitan University
Top 3%
Global ranking on TryHackMe — position ~34,530 and climbing
0+
Professional certifications from ISC2, Cisco, IBM & more
02

Experience

01
— Present Freelance · Hybrid

IT & Web Consultant

Multiple Companies · Inverness, Scotland
  • Provided freelance IT support and maintenance to small businesses and private clients across the Highlands region.
  • Diagnosed and resolved software, hardware, and network issues — minimising client downtime.
  • Implemented cybersecurity measures for data protection in dental practice environments.
  • Configured Microsoft SQL Server environments and upgraded local networks to Wi-Fi 7 infrastructure.
02
Part-time · On-site

Customer Service Assistant

Vue Cinemas · Inverness, Scotland
  • Delivered exceptional guest experiences across ticketing and seating operations.
  • Addressed general inquiries to enhance the overall guest experience.
  • Maintained a clean, welcoming cinema environment and contributed to patron safety.
03
Freelance · Remote

Software Tester

Candywriter, LLC
  • Conducted functional and usability testing for mobile games ensuring smooth user experience.
  • Documented bugs and performance issues with precision for developer review.
  • Identified edge cases and improved gameplay stability through analytical problem-solving.
03

Education

MSC
Master of Science

Advanced Cyber Security

Cardiff Metropolitan University
Distinction
BTC
Bachelor of Technology

Computer Science

Lovely Professional University
72%
04

Projects

01 / Featured
🐱

Hashkitten

A versatile, all-in-one crypto utility built with modern web technologies. Provides multi-file hashing, checksum verification, HMAC generation, and a password strength analyser — all within a secure, client-side, single-page application. The UI is fully responsive and stays performant with large files by leveraging Web Workers for background processing.

HTML5 Tailwind CSS Web Workers Web Crypto API Client-side SPA
View on GitHub →
🐱
02
🛡️

Is My File Safe?

Assesses file safety by comparing against a database of known threat signatures. Provides real-time insights into file security, enabling efficient identification of potentially malicious files.

Python Threat Analysis File Security
View on GitHub →
03
🔐

Stegocrypt

Integrates encryption and steganography to secure sensitive data across various file types — ensuring data confidentiality and integrity through AES and steganographic techniques.

Python AES Steganography Cryptography
View on GitHub →
05

Certifications

THM

Cyber Security 101

TryHackMe
· THM-TANWUWTWBD
ISC2

Certified in Cyber Security (CC)

ISC2
· ID 1195591
THM

Advent of Cyber 2022

TryHackMe
Oct 2025 · THM-CUGZTJURUY
THM

Pre Security

TryHackMe
Oct 2025 · THM-CCUTZNPRWS
CSC

Ethical Hacking

Cisco Networking Academy
May 2025
CSC

Digital Awareness

Cisco Networking Academy
Apr 2025
CRS

Cyber Incident Response

Coursera · Infosec
Mar 2023 · 2NV6KNWVJSFH
IBM

Cybersecurity Essentials

Coursera · IBM
May 2023 · HVQVN94VY568
EHE

Ethical Hacking Essentials

Coursera · EC-Council
Oct 2023 · R47VCGDX9V34
IBM

IBM Cloud Essentials

edX · IBM
Jun 2023
06

Achievements

Top 3%

TryHackMe Global Ranking

Ranked within the top 3% globally on TryHackMe — position ~34,530 and actively rising. Reflects strong practical skills in ethical hacking, penetration testing, and real-world threat analysis.

TryHackMe · Apr 2025
Expert.

Immersive Labs Proficiency

Actively sharpened cybersecurity skills across digital forensics, incident response, threat intelligence, and malware analysis — staying current with the latest attack techniques and defence strategies through hands-on real-world scenarios.

Immersive Labs · Apr 2025 · Cardiff Metropolitan University
07

Volunteering

Game Designer & Curriculum Planner

Team Everest NGO

Created and planned story structures for children aged 9–12. Designed simple and complex puzzles for educational engagement. Built simple, enjoyable games using Unity and C# to foster problem-solving skills in young learners.


4 months
Children