See your attack surface the moment it changes

A pentest tells you what your attack surface looked like on the day someone tested it. Then your team ships. New services go live, DNS records appear, cloud buckets get created, certificates get issued for hostnames nobody told security about. The surface changes every day. The test doesn't.

That gap — between the last test and right now — is where breaches live. The Watch stage exists to close it.

What continuous monitoring watches

New hosts and DNS. Certificate transparency logs broadcast every new certificate issued for your domains, usually within minutes. New subdomains, new services, new acquisitions — if it gets a cert, you see it. This is the earliest signal that your surface changed.

What's actually live. Discovery is only half the job. Probing confirms what's reachable, what ports answer, what TLS configs are wrong, what endpoints respond. A fast prober turns a list of names into a map of exposure.

What changed. The point isn't a snapshot — it's the diff. New host, new port, new technology fingerprint, certificate expiring, service that appeared overnight. Changes ranked by priority, not a flat list of everything.

Triage at machine speed. Raw change feeds are noise. The useful version ranks what's interesting: the new host running an admin panel, the staging environment exposed to the internet, the API that appeared without authentication. Sandboxed agents do the first pass; humans review what matters.

Why it beats the annual pentest (and why you still need both)

Monitoring and pentesting answer different questions. A pentest answers "how bad is it if someone tries hard?" Monitoring answers "did anything change since yesterday?" You need both — depth on a schedule, and breadth running always.

The economics are straightforward: a pentest is a point expense for deep coverage. Monitoring is a standing capability that makes every future pentest more valuable, because the testers start from a current map instead of spending the first week discovering what you own.

Build it or rent it

The whole monitoring stack exists as open source — ours, MIT licensed, self-hostable. If you have infrastructure and someone to run it, take the tools and run. If you don't, that's what Eyry Pro is: the hosted version. Managed 24/7 monitoring, alerting to Slack or webhooks, history and team features, no infrastructure to stand up.

Either way, the principle is the same: your attack surface changes daily, so something should be watching daily. If you want to talk through what continuous monitoring looks like for your scope, book a scoping call.