Your tester, on your team.
Work directly with US-based experts who understand your environment and answer your questions.
Expert penetration testing and continuous attack surface monitoring backed by people who help you understand, remediate, and continuously monitor your attack surface for vulnerabilities.



I think we resolved the SQLi vulnerability. Can you confirm?

I’ve just rechecked it and confirmed it’s been resolved. Nice job 🎉






Comprehensive Security Testing Services
Whether you need a pentest or continuous visibility across your attack surface, Halo brings expert testing, discovery, and scanning together. Choose the coverage that fits your organization, with one team to help you act on what you find.
Uncover attack paths that scanners miss.
Discover assets. Keep your perimeter in view.
Find and prioritize internet-facing weaknesses.
Move from scan findings to compliance reporting.
Spot exposed credentials beyond your perimeter.
The Halo difference
Security is complicated enough. Your testing partner should make it easier to understand your risk and do something about it.
Work directly with US-based experts who understand your environment and answer your questions.
A defined scope and fixed-price quote. Findings with evidence, business impact, and steps to remediate.
Talk through your results, get help with remediation, and verify your work with an included round of retesting.
Manual penetration testing
Behind every finding is a person who tested it. Our ethical hackers explore how an attacker could get in, what they could reach, and how you can close the gap.
Continuous attack surface management
A pentest gives you depth. Continuous monitoring gives you visibility between tests. Discover internet-facing assets, track new vulnerabilities, and bring your findings into one place.
In our customers’ words
Read independent customer reviews on Gartner Peer Insights, G2, and Clutch. Explore more customer stories to see how teams put Halo to work.
Let’s test your defenses
Tell us what you need to protect. We’ll help you find the right place to start.
Frequently Asked Questions
Find answers about penetration testing, attack surface management, and PCI scanning. Have another question? We’d love to chat.
Let’s ChatAttack surface management helps you discover and monitor the assets your organization exposes to the internet, including websites, APIs, servers, and cloud services. Halo Security continuously checks those assets for vulnerabilities and changes so you can prioritize risks and address them.
Explore attack surface managementYes. Halo Security is a PCI Security Standards Council Approved Scanning Vendor (ASV). We perform external vulnerability scans to help organizations meet PCI DSS external scanning requirements, with reports and guidance to help resolve findings.
Learn about PCI ASV scanningWe test web and mobile applications, APIs, external and internal networks, and wireless environments. We also offer social engineering and red teaming. We’ll help you choose a scope that fits your environment and goals.
Explore penetration testing servicesOur US-based security professionals perform the assessment. You have direct access to the team for questions about scope, findings, and remediation.
Yes. One round of retesting is included. After your team addresses the findings, we verify the fixes and provide an updated report.
A vulnerability scan uses automated checks to find known weaknesses. A penetration test adds human investigation to validate what can be exploited, explore business logic, and connect individual issues into attack paths. They work well together.
Yes. Start with a standalone engagement. If you also need ongoing visibility, you can add Halo’s attack surface management and vulnerability scanning services.
Start with a scoping conversation. We’ll ask about your systems, goals, and testing requirements, then provide a fixed-price quote based on the scope.
Scope your pentestFounded by veterans of Intel and McAfee, Halo Security brings deep security experience to a practical, personal approach. Work directly with our US-based team to understand your risks, prioritize fixes, and strengthen your defenses.
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