See what your business exposes to the internet
Add a domain or IP, monitor internet-facing exposure, catch changes automatically, and run deeper tests when you need them.
Start Free Monitoring
No credit card required.
Free monitoring for up to 3 endpoints.
Open ports and services
See what is reachable from the public internet before it becomes someone else’s discovery.
Change alerts
Catch new exposure, configuration drift, and risky changes as soon as they appear.
Plain language reports
Give your team clear findings, evidence, and a practical fix list instead of scanner noise.
Add your domain or IP
Schedule regular scans or run one on demand
Sign up for free, add your domain or IP, schedule regular scans, or run on-demand scans when you need fast answers
Start Free Authorized monitoring
Ownership checks help keep scans authorized and keep abuse out of the system.
Scheduled scans
Regularly scheduled scanning helps you spot exposure drift before it turns into an incident.
Retest after fixes
Validate remediation and confirm that the change really reduced exposure.
Understand what changed
Know what to fix first
Basic and Premium include guided analysis that helps your team understand findings, prioritize fixes, and validate remediation without waiting for a human
See Guidance Workflow Compound risk analysis
Understand weak links, likely attacker paths, and which fixes reduce the most risk.
Noise reduction
Less generic scanner spam, more service-aware context your team can actually use.
Ask follow-up questions
Get help with why a finding matters, how to fix it, and what to verify after remediation.
Start free and see what your business exposes to the internet
1. Sign up free
Create your account without a sales call.
2. Add asset
Add a domain or public IP.
3. Verify ownership
Keep scans authorized.
4. Monitor changes
Review alerts, reports, and retests.
Know what your business exposes to the internet
Scheduled
checks, alerts, and retesting
PortWarden helps small businesses, technical founders, managed service providers, and lean IT teams see what is exposed, what changed, and what to fix first without hiring a full security bureaucracy.
- Monitor public IPs, ports, services, and internet-facing misconfigurations
- Get alerted when exposure changes
- Receive reports your team can actually read and use
- Use guided analysis on paid plans to work through remediation after each scheduled scan or on-demand testing job
- Retest after fixes to confirm risk reduction
- Request deeper human review when a situation needs it
No credit card required.
Add a domain or IP and start with free exposure monitoring.
Clarity on what is exposed, what changed, and what to do next
PortWarden combines regularly scheduled external exposure monitoring with on-demand testing for small businesses that want useful answers fast, pricing by endpoint, and a clear path from finding to fix.
Asset inventory
See which public IPs, ports, and services are reachable from the internet right now.
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Change detection
Know when a new port appears, a service moves, or a configuration drift creates fresh exposure.
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Unprotected services
Spot services that appear publicly reachable without the controls you expect to be in front of them.
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Plain-English finding context
Get context with the finding, not pages of raw scanner output that your team has to decode later.
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Prioritized fixes
See which issues matter most, which can wait, and what fix should come first for the biggest risk reduction.
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Guided remediation support
Use guided analysis and multi-format reports to close the gap between finding a problem and fixing it, then request deeper human review when you need stronger validation.
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Built for companies that need clear visibility and fast action
PortWarden is for small businesses, owner-operators, startups, managed service providers, and lean IT teams that want scheduled monitoring, useful guidance, and experts on-call for additional analysis when needed.
