PortWarden is an external attack surface management platform. It addresses the need for organizations to identify and track what internet-facing assets are exposed before attackers discover them.
The service lets users add a domain or IP address to begin monitoring. It reveals open ports and services reachable from the public internet. Scheduled scans run at regular intervals to detect new exposure, configuration drift, and risky changes. When changes occur the platform sends alerts. Reports present findings in plain language accompanied by evidence and a list of practical fixes rather than raw scanner output. On-demand testing is available for deeper examination when required. Ownership checks help ensure scans remain authorized. After remediation users can retest specific assets to confirm that exposure has been reduced.
The platform is built for SMBs and lean IT teams. It requires no credit card to begin and offers free monitoring for up to three endpoints. Users sign up, add assets, and schedule or trigger scans directly from the portal. A client portal, demo access, and supporting services are also provided through the site.
PortWarden is a Security & compliance platforms product. It focuses on discovering and tracking what internet-facing assets a business exposes before attackers find and exploit them. PortWarden is a B2B product aimed at lean IT teams and SMBs. There is a free tier. PortWarden is available on the web.
PortWarden first shipped in 2023. Among its 6 catalogued features are Asset Monitoring, Change Alerts, and Open Port Scanning.
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