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Externalsight
Find exposed assets before attackers find them
Externalsight helps security teams, founders, and DevOps teams see what attackers can discover about their public domains. Run evidence-backed scans across DNS, TLS, HTTP headers, subdomains, exposed services, cloud exposure, email spoofing, secrets, and threat intelligence — then prioritize fixes with risk scores, remediation steps, alerts, and exportable reports.
Hey Product Hunt 👋
I’m building Externalsight to help teams understand what their internet-facing domains expose before attackers, scanners, or customers notice it.
Many small security teams, SaaS founders, and DevOps teams do not have a simple way to continuously answer questions like:
• What public assets do we expose?
• Are our DNS, TLS, email, and HTTP security controls correctly configured?
• Did a new subdomain, service, admin panel, or sensitive file appear?
• Which findings should we fix first?
Externalsight is a deterministic external attack surface monitoring platform. It scans public domains, captures evidence-backed findings, scores risk, tracks changes over time, and provides remediation guidance and exportable reports.
The goal is not to replace a full enterprise security program. The goal is to give teams a practical, repeatable way to see their external exposure and act on it.
I’d love feedback from security teams, founders, DevOps engineers, and anyone responsible for public domains:
What would make this more useful in your workflow?
Which findings would you want prioritized first?
Thanks for checking it out - happy to answer questions.
About Externalsight on Product Hunt
“Find exposed assets before attackers find them”
Externalsight was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #73 on the daily leaderboard. Externalsight helps security teams, founders, and DevOps teams see what attackers can discover about their public domains. Run evidence-backed scans across DNS, TLS, HTTP headers, subdomains, exposed services, cloud exposure, email spoofing, secrets, and threat intelligence — then prioritize fixes with risk scores, remediation steps, alerts, and exportable reports.
On the analytics side, Externalsight competes within Developer Tools, Tech and Security — topics that collectively have 1.1M followers on Product Hunt. The dashboard above tracks how Externalsight performed against the three products that launched closest to it on the same day.
Who hunted Externalsight?
Externalsight was hunted by Sarath Kumar. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Externalsight including community comment highlights and product details, visit the product overview.
Sarath Kumar