Get a complete picture of your attack surface with Halo Security. Our easy-to-use, all-in-one solution to external cybersecurity testing and monitoring helps thousands of enterprises protect their customer data.Free 7-day Trial Watch the Video
Because you can’t protect what you don’t know about.
Our agentless and recursive discovery engine discovers the assets you’re not aware of, so you can prioritize your efforts from a single pane-of-glass.Learn more about Attack Surface Discovery →
The tools you need at your fingertips.
From firewall monitoring to penetration testing, you can easily apply the right resources to every asset from our centralized dashboard. And with quick access to the specifications of each asset, you can be confident that everything you control is being monitored appropriately.See our approach to security testing →
We’ll keep an eye on your perimeter so you can get on with your day.
When things change, as they often do, we’ll let you know so you can stop worrying about unexpected surprises. And when anything does come up, you can rest assured that our team of security experts are ready to help.
Our black-box approach provides a second set of eyes on the effects of your security initiatives, so nothing falls through the cracks.
Stop jumping through hoops to understand the security posture of your external entities.
Reduce unintended exposures and assess security effectiveness as more and more of your assets move to the cloud.
Let automation continuously discover the obvious issues so your pentesting efforts can focus on what only humans can discover.
We’re a team of seasoned perimeter security practitioners. We know hiring is hard, and that’s why our team isn’t here to just help you use our product, we’re here to validate results, discuss new vulnerabilities, and deep dive on any asset that’s exposed to the internet.
Here’s what we help businesses uncover, monitor and secure.
Find the servers and domains you didn’t know existed.
See inconsistencies in patching, vendors, server locations and more.
Detect outdated cipher suites, mismatches and expiring certificates.
See what’s running on every open port an attacker could target.
See which sites have security headers, like Content-Security Policies.
See where data is collected and sent, and how it’s handled.
Find outdated software versions with known security issues.
Uncover application security flaws like SQL Injection and cross-site scripting.
Know where visitors are being sent.
Know every port that’s open.
Know where every server or website is in the world.
See the meta tags used on all your websites.
See which sites use Shopify, Wordpress, and more.
Access Whois data from your dashboard.
Track the cookies used on your websites.
Track the downloads available on your sites.
See where data is flowing.