DTK Cyber Academy
Learn networking
& cybersecurity.
Hands-on. Job-ready. Globally recognized.
Master firewalls, routing and security on real gear — with dynamic lab guides, per-student variables, instant auto-grading, and verifiable certificates. Turning ambition into expertise.
100+
community members
60h+
per masterclass
5+ yrs
instructor experience
40h+
hands-on labs
What you’ll master
From first packet to firewall hardening
Cybersecurity
Firewalls, threat defence, and ethical-hacking fundamentals — the way attackers and defenders actually work.
Networking
Routing, switching, VLANs and SD-WAN on Cisco Packet Tracer, GNS3, and live Fortinet gear.
Cloud & virtualization
Build and break virtual labs — hypervisors, segmentation and cloud-edge security.
Certification prep
Course outlines follow the CCNA and Fortinet NSE 4 exam blueprints — study with purpose.
Career launch
CV building, interview coaching and LinkedIn optimisation to turn skills into a job offer.
Practical labs
Per-student lab variables and instant auto-grading — every config you submit is uniquely yours.
Featured courses
Start with a masterclass
Career & Job Readiness
FortiGate Masterclass: Fortinet Firewall Administration Course (Batch 01)
Career & Job Readiness
FortiGate Masterclass: Fortinet Firewall Administration Course (Batch 03)
Career & Job Readiness
FortiGate Masterclass: Fortinet Firewall Administration Course (Batch 02)
Why DTK Cyber Academy
Built to get you hired
Hands-on labs
Real-world configurations on Packet Tracer, GNS3 and Fortinet firewalls — not slides.
Certification aligned
Built around the CCNA and NSE 4 blueprints so your study counts toward the exam.
Career guidance
CV reviews, mock interviews and LinkedIn coaching to get you job-ready.
Your instructor
Dilshan Kithulagoda
Founder, DTK Holdings · 5+ years training networking & security professionals
Every course is taught from the field — real topologies, real misconfigurations, and the troubleshooting habits that separate certified engineers from certificate collectors.
Ready to build real skills?
Join the community turning ambition into expertise — hands-on labs, certification-aligned courses, and a clear path to your next role.