Company
Every site deserves a still sky.
Cheap drones are now a nightly problem for prisons. The systems built to stop them were priced for militaries. We’re building the one a county jail can buy, then taking the same stack to utilities, venues and military installations.
A drone costs a few hundred dollars. Most systems built to stop one were priced for militaries. Protection should be priced for the sites that get hit every night.
Where we are
Pre-launch, building toward the first pilot.
Stillsky has no deployments, no customers and no certifications yet. What exists today is the sensor design, the Pathfinder software and an operator console you can try from this site. Specifications on these pages are design targets, and the first paid 30-day pilot is what turns them into measured numbers.
Watchpost
HardwareA solar sensor node on a pole that hears, sees and reads drones: acoustic and vision first, plus Remote ID and non-content RF. It receives only. It never transmits at a drone.
Pathfinder
SoftwareThe software that fuses those sensors with the RF detectors and cameras a site already owns, marks where a payload landed and builds a hash-chained evidence pack.
Stillsky Track
The productThe product a facility buys: detection, drop-zone localization, alerts and evidence. Passive, so there is no certification wait.
How the law shapes the product
We detect. The agency mitigates.
The SAFER SKIES Act gave certified state, local, tribal and territorial law-enforcement and correctional agencies counter-drone authority. The DOJ and DHS rule that implements it bars contractor-operated mitigation.
Stillsky runs
The passive half. Watchposts receive sound, images, Remote ID broadcasts and RF energy. They never jam, never spoof and never decode the content of a communication. Any organization with a legitimate purpose can buy that.
The agency runs
Mitigation. Stillsky supplies the net interceptor, the operator training and the maintenance to a certified agency, and the agency’s own certified officer is the operator who approves and launches every engagement. Stillsky does not operate mitigation for anyone, and does not offer it as a managed service.
Principles
How we decide.
- 01
Match the cost of the threat
If protection costs a hundred times the drone, almost nobody gets protected. We design every part to be mass-producible.
- 02
Humans decide
Pathfinder recommends. A person approves every engagement, and every decision is logged.
- 03
Legal by design
Eligibility, safety rules and reporting are enforced in the software itself.
- 04
Publish the numbers
Detection vs. range, false alarms per day, time to alert, uptime. Every pilot review shows them.
Founder
Who is behind Stillsky.

Samson Kwaku Nkrumah
Founder
Nine years building production software and machine learning across Ghana, Ivory Coast, Nigeria, the US and Ireland. AI engineer at WebRTC Ventures working on real-time video, satellite links and speech models. MSc by research at Munster Technological University. Three peer-reviewed papers on applied NLP.
Stillsky is a one-person company today. If you want to talk to the person who writes the code, write to samson@stillsky.io.
Come see it run.
Book a 30-minute walkthrough. We map your perimeter, show a live track in the operator console, and scope a pilot around your real threat.
Or try the live console free: simulated site, no card.