CYBER DT — Ethical Hacker & Cyber Security Specialist in Sri Lanka
CYBER DT is the personal brand of Darshitha Theekshana, a white hat ethical hacker and cyber security specialist based in Sri Lanka. The mission is simple: find every weakness in a system before somebody malicious does.
What CYBER DT does
CYBER DT provides authorized offensive security and defensive hardening work for individuals, small businesses and engineering teams. Every engagement is scoped in writing, performed only against systems the client owns or has explicit permission to test, and delivered with a clear remediation report.
Penetration testing and vulnerability assessment on web apps, networks and endpoints
Malware analysis, removal and post-infection forensic cleanup
Windows and Linux system hardening to CIS-style baseline standards
Mobile OS security for Android and iOS — diagnostics, privacy lockdown and malware removal
One-on-one security consultation for individuals and small businesses
Why the name CYBER DT
CYBER DT is the short, searchable identity used across the website, the YouTube channel and the GitHub profile. Searching for "cyber dt" should always land on the official source — this page — so every profile points back here with the same spelling, the same role and the same services.
Frequently asked questions about CYBER DT
Who is CYBER DT?
CYBER DT is Darshitha Theekshana, a white hat ethical hacker and cyber security specialist based in Sri Lanka. The name CYBER DT is the personal brand used on this website, the @dtcybersl1 YouTube channel and the GitHub profile.
What services does CYBER DT offer?
Authorized penetration testing and vulnerability assessment, malware analysis and removal, Windows and Linux system hardening, mobile OS security work for Android and iOS, and one-on-one security consultation for individuals and small businesses.
Is CYBER DT available for remote work and outside Sri Lanka?
Yes. CYBER DT works remotely with clients worldwide and on-site across Sri Lanka. Engagements are scoped in writing, confidentiality is guaranteed and NDA-friendly terms are available.
Where can I find the CYBER DT YouTube channel?
The official channel is @dtcybersl1 on YouTube. It publishes ethical hacking tutorials, cybersecurity breakdowns, Android and iOS device fixes and system hardening guides, usually weekly.
How do I contact CYBER DT?
Use the secure contact form on the contact page. The direct email and WhatsApp identifiers are privacy-masked on the website — the eye icon reveals them on request, and every message is answered in under 24 hours.