Signal 01
Privacy
On-device decisioning
Security analysis runs where the browsing happens, keeping the experience fast and the data boundary tight.
Security-first software for real browsing habits
Know more before an unfamiliar page opens.
X9Software builds practical software with a strong security point of view. LastCheck gives you one last safety check after the click and before the page loads, helping people spot suspicious destinations without adding noise to everyday browsing.
On-device analysis
Pre-load verdicts
Trusted-site memory
Low-friction warnings
Why it works
Security signals that feel like product, not theater.
LastCheck is built around the moment that matters most: the gap between a click and a page load. Instead of dumping noise into the browser, it gives a timely signal that helps people decide whether to continue.
Signal 02
Usability
Warnings designed to be actionable
Readable verdicts and familiar cues help users make a decision quickly without needing security training.
Signal 03
Trust
Built like a tool people can trust
No dark patterns, no telemetry-first positioning, and no overblown claims. Just practical protection around risky clicks.
Small shop, clear point of view.
X9Software builds security-minded software that stays out of the way until it is needed. LastCheck is the first public product in that lineup, with more tools on the way.
- Security decisions are designed in from the start, not bolted on later.
- Privacy matters most in the moments where trust is easiest to break.
- Useful software should be calm, understandable, and easy to return to.
Now available