Ryan Sebastian
Founder
Leads every engagement and signs the attestation letter.
A security and software company in Colombo
We test web applications and their APIs for security weaknesses, and we build software and AI systems, for companies in Sri Lanka and abroad. The company was incorporated in Sri Lanka on 18 July 2024. Ryan Sebastian, our founder, leads every engagement.
The company on record
Our registered details, exactly as the certificate of incorporation prints them, and how to reach us. A copy of the certificate is available on request.
- Registered name
- Ghost Protocol (Private) Limited
- Trading name
- Ghost Protocol
- Company number
- PV00305227
- Incorporated
- 18 July 2024
- Based in
- Colombo, Sri Lanka
- Working hours
- Monday to Friday, 09:00 to 18:00 Colombo time (UTC+5:30)
- Replies
- Within 24 hours
- Contact
- ryan@ghosts.lk+94 71 055 5055 (WhatsApp)
We are a member of NVIDIA Inception, NVIDIA’s program for startups building with AI and accelerated computing.
Who you will work with
The engineer named in your report is the one who did the work, and the one who answers your questions afterwards.
How we work
- Fixed scope and price
- We agree what is tested, and what it costs, in writing before any work starts.
- A named engineer
- The engineer who leads your engagement is named in the report, signs the attestation letter, and answers your questions afterwards.
- Reports for the reader
- A summary your board can follow, and findings your developers can act on, each one rated and explained.
What you can check before you hire us
Each of these is public. None of it needs a call or a signature.
- The example report
Fifteen pages for a fictional client, written to the standard we deliver to real ones.
ghosts.lk/pentest/sample-report
- Ghost Scan
Our free scan. Run it against your own website and read the result in about a minute.
ghosts.lk/scan
- Wyrm
Memory for AI coding agents, built and maintained by us and published on npm.
npm: wyrm-mcp
- Wyrm receipts
Every figure we quote for Wyrm, with the file, line and commit it was read from.
ghosts.lk/wyrm/receipts
- Client work
The live sites we built for our clients, each named with the client's consent.
ghosts.lk/built
Talk to an engineer
Email ryan@ghosts.lk or message +94 71 055 5055 on WhatsApp. Ryan replies within 24 hours. Working hours are Monday to Friday, 09:00 to 18:00 Colombo time (UTC+5:30).
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