Osint tool that finds exposed files on domains
hey guys, wanted to show one of my side projects i just made public.the idea is basically another osint tool for pentesters and bug bounty hunters. it watches certificate transparency logs and checks newly-seen domains for exposed stuff like .env files, open .git dirs, config files, db dumps and so on, and puts whatever it finds into a searchable db. you just search a domain (or part of one) and see what's exposed.it's read-only and free. one thing i've been thinking about adding is a way to register for certain keywords and get notified when something new shows up for that search.would love to hear if you have other ideas for useful features, and also ideas for how to reduce abuse of the data, since that's the part i'm least sure about.https://search.cerast-intelligence.com/
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out of 100
Verdict
medium confidence
Competition
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A searchable database of exposed files found on newly-registered domains, built by passively monitoring certificate transparency logs.
The pain
The gap
Build angle
Strengths
- Already live with working product and user feedback loop
- Solves a real, repeated problem for a defined audience (pentesters, bug bounty hunters)
- Passive data collection is defensible, uses only public cert logs
- Low marginal cost per search once infrastructure is built
- Clear monetization path (alerts, API access, premium filters)
Risks
- Legal exposure: exposing sensitive data could trigger CFAA or GDPR complaints, even if data is technically public
- Abuse vector: attackers could use this to find targets faster than defenders can patch
- Sustainability: free model with no revenue won't cover infrastructure costs long-term
- Competition: larger security vendors (Shodan, Censys, SecurityTrails) could replicate this feature in weeks
- Retention: without monetization, user engagement will plateau, people use free tools sporadically
- Regulatory risk: unclear if hosting this data violates responsible disclosure norms in some jurisdictions
Fly Labs Method
Is the pain real, is there a gap, is it the right time, can one person build it.
Value Equation
Dream outcome and how likely it feels, against the time and effort it costs.
One-Person Business
Curiosity pull, identity fit, and a path from free value to paid for a solo creator.
Viral Frameworks
Hook strength, shareability, and how cheaply it can be tested.
Builder Lens
Evidence the problem exists, timing, defensibility, and a model that fits on a napkin.
Five lenses, one composite. How scoring works
The angle
No market research recorded for this idea yet.
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