CISO Tribune

Vendor comparison · 2 companies

Halo Security vs Outpost24

Halo Security sells penetration testing and continuous visibility across an attack surface, bringing testing, discovery, and scanning together. Outpost24 sells security products and services delivered through its cloud platform with automation supported by its cyber security experts. CISO Tribune files both under External attack surface management and Digital risk protection. This page sets the two records side by side: what each sells, where it is based, who owns and funds it, the customers it names and its recent news, each fact numbered to its source.

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  • Halo Security
  • Outpost24
Halo Security vs Outpost24: Products, Customers and Funding Compared
Halo SecurityHalo Security sells penetration testing and continuous visibility across an attack surface, bringing testing, discovery, and scanning together.halosecurity.comOutpost24Outpost24 sells security products and services delivered through its cloud platform with automation supported by its cyber security experts.outpost24.com
What it sells
  • Penetration Testing[1][2][3][11]Halo Security tests web and mobile applications, APIs, external and internal networks, and wireless environments.
  • Attack Surface Management[1][2]Helps organizations discover and monitor the assets they expose to the internet.
  • Application Scanning[5]Scans web applications for vulnerabilities such as SQL injection and cross-site scripting.
  • CompassDRP[1][4][6][7]A single cloud-based Digital Risk Protection solution combining asset discovery with threat intelligence.
  • CyberFlex[1][4][6]A flexible solution for end-to-end application security.
  • External Attack Surface Management[4]Discovery of all internet-facing assets.
  • Digital Risk Protection[4][6][7][9]A modular cyber threat intelligence solution against external threats.
  • Machine Readable Threat Intelligence[4]A machine-readable threat intelligence feed.
Categories
Headquarters
Not stated on its pagesSweden[3]
Founded
Not stated on its pages2001[2][7]
Ownership and funding
Not stated on its pagesNot stated on its pages
Named customers
Not stated on its pagesNot stated on its pages
Recent news
Not stated on its pages
  • December 17, 2025Outpost24 announced a new investment from Vitruvian Partners to fund its next phase of global growth.[16]
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen November 10, 2026[17]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Not written yetNot written yet
Last verified
November 12, 2026September 30, 2026

Where they overlap

  • Halo Security and Outpost24 are both filed under External attack surface management and Digital risk protection.

Where they differ, field by field

  • Halo Security's primary category is Penetration testing and red team services; Outpost24's is Exposure prioritisation and CTEM.
  • Halo Security is also filed under Vulnerability management. Outpost24 is also filed under Dynamic application security testing.
  • Halo Security lists Penetration Testing, Attack Surface Management and Application Scanning. Outpost24 lists CompassDRP, CyberFlex, External Attack Surface Management, Digital Risk Protection and Machine Readable Threat Intelligence.
  • Outpost24 is headquartered in Sweden.
  • Outpost24 was founded in 2001.

What it sells: Halo Security

What Penetration Testing does[1][2][3][11]
Halo Security's penetration testing service combines manual investigation with tools whose results are validated by testers. Halo Security tests web and mobile applications, APIs, external and internal networks, and wireless environments. Halo Security offers social engineering and red teaming. An included round of retesting lets customers verify their remediation work.
What Attack Surface Management does[1][2]
Attack surface management covers internet-exposed assets, including websites, APIs, servers, and cloud services. Halo Security continuously checks those assets for vulnerabilities and changes. Halo Security finds and inventories internet-facing assets, including unknown and forgotten websites, IPs, services, and applications.

What it sells: Outpost24

What CompassDRP does[1][4][6][7]
CompassDRP is a single cloud-based Digital Risk Protection solution that combines asset discovery with threat intelligence. CompassDRP monitors for compromised credentials, leaked data, phishing domains, and brand threats across social media and external channels.
What CyberFlex does[1][4][6]
CyberFlex is a flexible solution for end-to-end application security. CyberFlex unifies ASM and PTaaS for full attack surface visibility, with expert pen testing insights.
What External Attack Surface Management does[4]
External Attack Surface Management provides deep and proactive discovery of all internet-facing assets. External Attack Surface Management identifies vulnerabilities and misconfigurations alongside actionable insights for remediation.
What Digital Risk Protection does[4][6][7][9]
Digital Risk Protection is a modular cyber threat intelligence solution to detect and deter external threats to a business. Digital Risk Protection monitors known and unknown public-facing assets, and threats from external channels across the open, deep, and dark web.

Questions about Halo Security and Outpost24

What do Halo Security and Outpost24 sell?
Halo Security sells Penetration Testing, Attack Surface Management and Application Scanning. Outpost24 sells CompassDRP, CyberFlex, External Attack Surface Management, Digital Risk Protection and Machine Readable Threat Intelligence.
Are Halo Security and Outpost24 in the same category?
They share External attack surface management and Digital risk protection. Halo Security's primary category is Penetration testing and red team services and Outpost24's is Exposure prioritisation and CTEM.
Where are Halo Security and Outpost24 headquartered?
Outpost24 is headquartered in Sweden.
When were Halo Security and Outpost24 founded?
Outpost24 was founded in 2001.
What have Halo Security and Outpost24 announced recently?
December 17, 2025: Outpost24 announced a new investment from Vitruvian Partners to fund its next phase of global growth.

About Halo Security

Halo Security sells penetration testing and continuous visibility across an attack surface, bringing testing, discovery, and scanning together. Halo Security tests web and mobile applications, APIs, external and internal networks, and wireless environments. Halo Security offers social engineering and red teaming. Halo Security's penetration testing service combines manual investigation with tools whose results are validated by testers.[1][2][3]

Halo Security's ethical hackers explore how an attacker could get in, what they could reach, and how to close the gap. Customers work directly with US-based experts at Halo Security. Halo Security includes one round of retesting so customers can verify their remediation work. Halo Security provides reports and attestation letters that give a customer's team, auditor, and prospects evidence of its security. Halo Security reports support SOC 2, HIPAA, PCI, and other compliance needs.[1][2]

Attack surface management helps organizations discover and monitor the assets they expose to the internet, including websites, APIs, servers, and cloud services. Halo Security continuously checks those internet-exposed assets for vulnerabilities and changes. Halo Security finds and inventories internet-facing assets, including unknown and forgotten websites, IPs, services, and applications. Halo Security identifies open ports and internet-facing services so customers can monitor changes. Halo Security tracks certificates, security headers, third-party scripts, and other security controls across websites. Halo Security detects known vulnerabilities, missing security patches, and outdated software across external servers. Halo Security scans web applications for vulnerabilities such as SQL injection and cross-site scripting. Halo Security monitors for leaked employee credentials, exposed data, and mentions of an organization on the dark web. Halo Security can identify issues like subdomain takeovers, domains for sale, forgotten projects, and misconfigured cloud services. Halo Security risk scores show the external security posture of different teams and business units.[1][2][4][5][11]

Halo Security is a PCI Security Standards Council Approved Scanning Vendor, and its certificate number is 5078-01-11. Halo Security customers can set scans to run daily, weekly, monthly, quarterly, or on-demand. Customers with multiple business units can generate separate reports in the Halo Security portal. Halo Security scans look at an organization from the outside, with nothing to install and nothing to configure.[6][7]

Halo Security connects to AWS to import assets from Route53, ElasticIP, and Elastic Load Balancer. Halo Security creates and tracks security issues in Jira, and it streams security events and findings into Splunk. Halo Security syncs security findings with Vanta for compliance monitoring and reporting, and it sends real-time security alerts to a Slack workspace. Brinqa ingests external attack surface findings directly from the Halo Security platform. Halo Security also runs a Security Review, offered quarterly or semi-annually, in which its team works with customers to identify gaps in their coverage.[8][9][10]

The Halo Security platform helps organizations of all sizes achieve PCI compliance. In 2013, the operation was spun out to form PathDefender, which was shortly thereafter rebranded as TrustedSite. In 2022, the TrustedSite Security services were rebranded as Halo Security, and the TrustedSite brand remains for certification and marketing solutions. Halo Security has a team of over 30 people. Halo Security was originally based in San Francisco and now offers fully remote working opportunities.[1][5][6][7][10][11]

Halo Security on the record

Sources

Halo Security full record

  1. [1]halosecurity.comHalo Security · halosecurity.com · undated page, accessed November 12, 2026 · Tier A
  2. [2]Trusted, US-Based Penetration Testing | Halo SecurityHalo Security · undated page, accessed November 12, 2026 · Tier A
  3. [3]12 Questions to Ask a Pentesting Company | Halo SecurityHalo Security · undated page, accessed November 12, 2026 · Tier A
  4. [4]Attack Surface Management Features | Halo SecurityHalo Security · undated page, accessed November 12, 2026 · Tier A
  5. [5]Assess security program effectiveness | Halo SecurityHalo Security · undated page, accessed November 12, 2026 · Tier A
  6. [6]Achieve PCI Compliance | Halo SecurityHalo Security · undated page, accessed November 12, 2026 · Tier A
  7. [7]PCI Compliance Scanning from an ASV | Halo SecurityHalo Security · undated page, accessed November 12, 2026 · Tier A
  8. [8]Integrations | Halo SecurityHalo Security · undated page, accessed November 12, 2026 · Tier A
  9. [9]Halo Security + Brinqa: EASM Meets CTEMHalo Security · undated page, accessed November 12, 2026 · Tier A
  10. [10]Security Review | Halo SecurityHalo Security · undated page, accessed November 12, 2026 · Tier A
  11. [11]Customers | Halo SecurityHalo Security · undated page, accessed November 12, 2026 · Tier A
  12. [12]About Us | Halo SecurityHalo Security · undated page, accessed November 12, 2026 · Tier A

Outpost24 full record

  1. [1]outpost24.comOutpost24 · outpost24.com · undated page, accessed September 30, 2026 · Tier A
  2. [2]CompanyOutpost24 · outpost24.com · undated page, accessed September 30, 2026 · Tier A
  3. [3]Outpost24 raises bar adaptive application security next gen cyberflexOutpost24 · outpost24.com · published July 8, 2026 · Tier A
  4. [4]Cybersecurity & Risk Management Solutions - Outpost24Outpost24 · undated page, accessed October 31, 2026 · Tier A
  5. [5]Services - Outpost24Outpost24 · undated page, accessed November 10, 2026 · Tier A
  6. [6]Cybersecurity & Risk Management Products - Outpost24Outpost24 · undated page, accessed November 10, 2026 · Tier A
  7. [7]CompassDRP | Outpost24Outpost24 · undated page, accessed November 10, 2026 · Tier A
  8. [8]Outpost24 Exposure Management Platform - Outpost24Outpost24 · undated page, accessed November 10, 2026 · Tier A
  9. [9]Our Cybersecurity Solutions - Outpost24Outpost24 · undated page, accessed November 10, 2026 · Tier A
  10. [10]Risk-Based Vulnerability Management Tool | OutscanNXOutpost24 · undated page, accessed November 10, 2026 · Tier A
  11. [11]Dynamic Application Security Testing Tool | Outpost24 ScaleOutpost24 · undated page, accessed November 10, 2026 · Tier A
  12. [12]Machine Readable Threat Intelligence Feed | Outpost24Outpost24 · undated page, accessed November 10, 2026 · Tier A
  13. [13]Specops Device Trust | Outpost24Outpost24 · undated page, accessed November 10, 2026 · Tier A
  14. [14]Identity & Access Management - Outpost24Outpost24 · undated page, accessed November 10, 2026 · Tier A
  15. [15]Red Teaming Services | Outpost24Outpost24 · undated page, accessed November 10, 2026 · Tier A
  16. [16]Outpost24 Secures New Investment to Scale its Exposure Management and Identity Security SolutionsOutpost24 · published December 17, 2025 · Tier A
  17. [17]OUTSCAN Reviews 2026: Details, Pricing, & FeaturesG2 · undated page, accessed November 10, 2026 · Tier C

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