Discover and quickly eliminate your internet-facing vulnerabilities with affordable EASM that includes expert guidance.






At Halo Security, we transform how organizations manage their external attack surface. Our next-generation EASM platform delivers complete visibility into your internet-facing assets, automated discovery, continuous vulnerability scanning, and penetration-testing insights—all paired with expert remediation guidance.
As AI accelerates attacks and expands exposure across cloud, SaaS, APIs, and shadow IT, Halo helps you quickly identify and eliminate vulnerabilities for fast, measurable, and affordable risk reduction.
We continuously discover and monitor every internet-facing asset, including apps, APIs, cloud exposures, shadow IT/AI, and changes across your external footprint.
Learn MoreOur experienced penetration testers will uncover real-world attack paths and vulnerabilities that automated tools miss—and feed those insights directly into Halo's platform.
Learn MoreHalo continuously monitors for stolen credentials and breach data tied to your domains, giving you early warning and clear guidance so you can reduce risk.
Learn MoreAs a certified ASV, Halo delivers the external vulnerability scans and audit-ready reports you need to meet PCI DSS requirements with confidence.
Learn MoreHalo is a trusted EASM solution for organizations that need real results—not just more findings. Security teams at Experian, Omaha Steaks, Penske, Dollar Tree, Mrs. Fields, and many other leading brands rely on Halo. Read a case study on how one Halo EASM customer cut their risk in half in a few months!
Halo is rated 4.6 / 5 stars based on more than 100 independent customer reviews across Gartner Peer Insights and G2.
Trusted by customers. Proven in practice. Built to deliver outcomes.
Good portal navigation, single pane of glass for multiple services, very efficient support, effective PCI ASV scanning & pen testing.
Read more on G2I like Halo Security because it's easy to use and has affordable pricing. The affordability means we can actually afford it since it's not one of the more expensive options on the market. The ease of use saves us the learning curve of having to spend time figuring out how to use it. Also, the initial setup was very easy.
Read more on G2The dashboards are easy to navigate and help to quickly identify problems.
Read more on G2There one on one support with their security experts is the best thing. Very helpful and knowledgeable. They walk you through every step, they are proactive and make its easy to use and understand the UI. I think what they offer is well worth the price, couldn't find anything else out there for the same value. Scans are detailed, integrations are easy.
Read more on G2I really appreciate Halo Security's solid scans that consistently catch things that matter. The standout feature for me is the detailed and easy-to-understand reports that provide clear actionable guidance. This has helped us stay more proactive about improving our security instead of just reacting to issues. Their support team is also great—responsive, knowledgeable, and easy to work with.
Read more on G2Halo Security's user-friendly platform delivers lightning-fast visibility into our entire external attack surface—it's like having an attacker's playbook in reverse, spotting risks across clouds and third-parties in seconds without the hassle of manual scans. The straightforward remediation guidance and real-time alerts have saved our team countless hours.
Read more on G2Discover assets, fast. Our automated EASM solution identifies and catalogs known and unknown domains, hostnames, and IP addresses exposed to the internet. Here’s a quick look at our platform.
Attackers can now turn exposed vulnerabilities into exploits in minutes. Halo continuously maps your external attack surface, identifying unknown domains so you can see what’s exposed before it’s weaponized. Halo is a purpose-built, full-spectrum EASM platform with continuous, comprehensive external attack surface scanning.
Halo goes beyond discovery with risk-based findings that are grouped, de-duplicated, and tracked through remediation—so issues get fixed, not rediscovered. We combine agentless scanning and single-pane-of-glass visibility with cloud connectors and workflow integrations that automatically keep asset data current and actionable across the tools your team already uses.
With Halo, you're not handed a tool and left alone. You gain a partner focused on outcomes. Most EASM solutions stop at alerts. We include expert human remediation guidance to help validate findings and offer advice, so you have the support you need to deliver rapid risk reduction and a stronger security posture.
Halo's EASM solution is fast and affordable, with no enterprise bloat and expert help when you need it. Our Halo EASM solution gives you the support you need for today's lean teams to deliver faster time to value, lower total cost, and measurable risk reduction, without adding headcount.
Let us show you a complete picture of your external attack surface.
Automatically discover and catalog internet-facing assets that belong to your organization.
Identify, prioritize, and remediate vulnerabilities and issues across your internet-facing assets.
Understand the risk posture of subsidiaries and organizational units.
Get immediate visibility into the risk posture of potential M&A targets.
Gain continuous and consistent visibility into the external risk posture of your organization.
Obtain PCI compliance reports from an Approved Scanning Vendor.