I’m Hariharasuthan Thangavelu — cybersecurity expert, AI educator, certified ethical hacker, and author.
From cybersecurity and fraud investigations to AI mentorship, I help individuals and organisations navigate digital risks with clarity and confidence. My work spans ethical hacking, threat awareness, and practical guidance that turns complex technology into everyday protection.
Through my articles for BBC Tamil, The Hindu, Kumudham, and Anandha Vikatan, I share insights on scams, cyber safety, and emerging AI trends — always with the goal of educating readers and empowering them to stay secure.
Join hands-on Cybersecurity and AI courses designed to simplify complex topics, build real-world skills, and create confident digital leaders.
Build a strong security mindset with practical guidance on threats, scams, and everyday digital protection for individuals and organisations.
Hands-on training in ethical hacking and penetration testing. Learn CEH-aligned techniques to identify vulnerabilities before attackers do.
Understand how AI transforms cyber defense and risk management. Learn to evaluate tools responsibly and lead teams through emerging technology.
Cybersecurity insights, scam alerts, and AI trends — featured in prestigious magazines across Tamil and English media.
Beyond articles and courses, my books bring cybersecurity, digital safety, and emerging technology to readers in clear, practical language — often in Tamil, for audiences across India and the diaspora.
From cybercrime awareness to space science and AI, each publication is written to educate, protect, and inspire confident digital citizens.
Credit card fraud explained 🦹♂️
Make every woman digitally fearless. 🛡️A powerful cyber safety conversation with the young women of Bhaktavatsalam Memorial College for Women Because a digitally aware woman is a harder target. 🛡️❤️They came to listen. They left knowing how to fight back. 🔥#WomenSafety #CyberSafety #tvk #CyberSecurity WomenEmpowerment @tvkvijayhq
Thank You Meta: Honoring a Bold Commitment to Free Expression 🫶♥️
Stranger Prompt - The most emotional prompt. 🥹Everyone please try this.. Dont miss this guys.. #chatgptprompts #chatgpt
Deleting the Post Won’t Save You. Here’s Why. 🛑Think you’re invisible behind a fake account or a VPN? 🤫 Think again.The internet doesn’t forget, and it definitely doesn’t hide people as well as they think. Behind the safety of a screen, many operate under the dangerous assumption that they are ghosts. In reality, the digital world leaves an absolute trail.#DigitalSafety #TechAwareness #cyber
My expertise goes beyond coaching and publication. As a certified cybersecurity professional and trusted authority on cyber issues, I am frequently called upon by audiences worldwide to provide expert commentary through video.
Officially released at Kavikko Arangam by eminent writer P. Raghavan. The Tamil book, previously serialised in the Kumudam weekly, marks a significant literary milestone. The event was attended by writers Sridhar Subramaniam, Hariharasuthan, J. Deepa, and Ramji Narasimhan, publisher of Zero Degree.
