Where do your internet-facing assets live, and why does it change the tool you need?

What changes in public cloud?

Cloud accounts let any team create an internet-facing service in minutes, and remove it just as fast. Addresses are reused, so an IP that was yours last week may belong to someone else today. That makes continuous discovery and accurate attribution more important than in a data centre, where addresses change slowly.

Cloud estates also benefit from connections between the exposure tool and the cloud or cloud security tools you already run. On the pages we read, Censys names AWS, Google Cloud and Azure among its integrations, and IONIX names Wiz and Palo Alto Prisma Cloud.

What changes on-premises?

On-premises internet-facing systems change less often but tend to live longer, including systems nobody owns any more. The external view still matters, but so does the internal one: the same server may have vulnerabilities that a scanner inside the network already knows about.

That is where exposure management platforms help. Rapid7 describes Surface Command as combining external discovery with a unified internal and external asset inventory, and Tenable One puts external attack surface data next to Tenable's vulnerability management.

What about the edge?

WAFs and CDNs sit in front of applications in both worlds. They are often the fastest place to act on an exposure, but only if you know which applications they protect. Groups with acquisitions often run several WAF vendors at once, which is why WAF posture is a tool type of its own on this site.

How does the finder use your answer?

Mostly cloud adds a point to EASM discovery and turns on a check for named cloud connections. Mixed hosting adds points to platforms and EASM and turns on a check for internal as well as external assets. Mostly on-premises adds the most to platforms. The full rules are on How we map.

What next?

If your estate is mixed, read exposure management platforms. If it is mostly cloud, start with EASM discovery. If you run several WAFs, read WAF posture.