CISO Tribune

Vendor comparison · 2 companies

Halo Security vs Parsons

Halo Security sells penetration testing and continuous visibility across an attack surface, bringing testing, discovery, and scanning together. Parsons is a global solutions provider in the national security and critical infrastructure markets that delivers integrated program management solutions. CISO Tribune files both under Vulnerability management. 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
  • Parsons
Halo Security vs Parsons: 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.comParsonsParsons is a global solutions provider in the national security and critical infrastructure markets that delivers integrated program management solutions.parsons.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.
  • Cyber Fly-Away KitsKits called C-FLAK for cyber defenders.
  • Digital Overwatch[4]A suite of applications, pipelines, analytics, and visual components.
  • Dynamic Spectrum Environment Emulator (DYSE)A RF channel emulator that imitates realistic RF environments.
  • Threat Representative Environment (TReX)A software and COTS hardware-based signal and channel emulator.
  • Wireless Instrumented Streaming Platform (WISP)A portable, remotely controlled wideband RF data capture and analysis tool.
  • Tactical Edge Electro-Magnetic Sensor (TEMS)A real time situational awareness plugin for ATAK.
  • ER310 Software-Defined RadioA handheld SDR platform designed to host and execute RF applications.
Categories
Headquarters
Not stated on its pagesNot stated on its pages
Founded
Not stated on its pagesNot stated on its pages
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
  • January 15, 2026Parsons Corporation announced it has acquired Altamira Technologies Corporation in a transaction valued at up to $375 million.[14]
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen November 4, 2026[2]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Not written yetFrom its own pages, Parsons sells mainly to national security and critical infrastructure customers. Parsons says TReX supports various DoD, IC, and Defense Industrial Base partners. Parsons describes its Ares biometric software as designed for defense and law enforcement. Parsons describes LandForm X as an ISR mission management system designed for airborne law enforcement and search and rescue. Parsons describes Foundation as a cloud-native data integration platform built to address the complexities of government operations.
Last verified
November 12, 2026October 14, 2026

Where they overlap

  • Halo Security and Parsons are both filed under Vulnerability management.

Where they differ, field by field

  • Halo Security's primary category is Penetration testing and red team services; Parsons's is Threat intelligence.
  • Halo Security is also filed under External attack surface management and Digital risk protection. Parsons is also filed under Incident response and forensics and OT and ICS security.
  • Halo Security lists Penetration Testing, Attack Surface Management and Application Scanning. Parsons lists Cyber Fly-Away Kits, Digital Overwatch, Dynamic Spectrum Environment Emulator (DYSE), Threat Representative Environment (TReX), Wireless Instrumented Streaming Platform (WISP) and 2 more.

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: Parsons

What Cyber Fly-Away Kits does
Parsons calls these products Cyber-Fly-Away Kits (C-FLAK). Parsons says the kits have everything a cyber defender needs to efficiently achieve mission success.
What Digital Overwatch does[4]
Digital Overwatch is a suite of applications, pipelines, analytics, and visual components. Parsons says the suite enables successful mission execution.
What Dynamic Spectrum Environment Emulator (DYSE) does
DYSE is a RF channel emulator that seeks to imitate realistic RF environments, including congested and contested conditions. RF paths in DYSE can be individually programmable and emulate the impact of real-world operational conditions in a lab environment.
What Threat Representative Environment (TReX) does
TReX is a software and COTS hardware-based signal and channel emulator. Parsons describes TReX as a way to experiment, train, and plan SIGINT and EW operations. Parsons says TReX can be deployed anywhere from a laboratory to austere environments.
What Wireless Instrumented Streaming Platform (WISP) does
WISP is a portable, remotely controlled wideband RF data capture and analysis tool. WISP uses include wireless signal capture, an arbitrary signal generator, and frequency translation for both R&D and field-based operations.
What Tactical Edge Electro-Magnetic Sensor (TEMS) does
TEMS is a real time situational awareness plugin for Android Team Awareness Kit (ATAK). TEMS detects RF spectrum energy in the user's environment and can be controlled using a smart phone.
What ER310 Software-Defined Radio does
The ER310 software-defined radio is a handheld SDR platform designed to host and execute RF applications. Parsons says it supports missions including assured PNT, RF situational awareness support, electronic warfare, and communications.

Questions about Halo Security and Parsons

What do Halo Security and Parsons sell?
Halo Security sells Penetration Testing, Attack Surface Management and Application Scanning. Parsons sells Cyber Fly-Away Kits, Digital Overwatch, Dynamic Spectrum Environment Emulator (DYSE), Threat Representative Environment (TReX), Wireless Instrumented Streaming Platform (WISP) and 2 more.
Are Halo Security and Parsons in the same category?
They share Vulnerability management. Halo Security's primary category is Penetration testing and red team services and Parsons's is Threat intelligence.
Who are Halo Security and Parsons sold to?
From its own pages, Parsons sells mainly to national security and critical infrastructure customers.
What have Halo Security and Parsons announced recently?
January 15, 2026: Parsons Corporation announced it has acquired Altamira Technologies Corporation in a transaction valued at up to $375 million.

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

Parsons full record

  1. [1]CyberParsons Corporation · parsons.com · undated page, accessed October 14, 2026 · Tier A
  2. [2]Parsons Reviews 2026: Details, Pricing, & Features - G2G2 · undated page, accessed November 2, 2026 · Tier C
  3. [3]Parsons CorporationParsons · undated page, accessed November 4, 2026 · Tier A
  4. [4]Products | Parsons CorporationParsons · undated page, accessed November 4, 2026 · Tier A
  5. [5]RF Channel Emulator | DYSEParsons · undated page, accessed November 4, 2026 · Tier A
  6. [6]SIGINT And Electronic Warfare Channel Emulator | TReX®Parsons · undated page, accessed November 4, 2026 · Tier A
  7. [7]Wideband RF Data Capture | WISP™Parsons · undated page, accessed November 4, 2026 · Tier A
  8. [8]Assured Positioning, Navigation And Timing (APNT) | APSParsons · undated page, accessed November 4, 2026 · Tier A
  9. [9]Software-Defined Radio | ER310™Parsons · undated page, accessed November 4, 2026 · Tier A
  10. [10]Tactical Edge Electro-Magnetic Sensor | TEMS™Parsons · undated page, accessed November 4, 2026 · Tier A
  11. [11]Asset Management Solution | Paradim®Parsons · undated page, accessed November 4, 2026 · Tier A
  12. [12]Full-Lifecycle Flight-Dynamics Capabilities | SatFlyer™Parsons · undated page, accessed November 4, 2026 · Tier A
  13. [13]Space Access | Parsons ProductsParsons · undated page, accessed November 4, 2026 · Tier A
  14. [14]Parsons Acquires Altamira Technologies CorporationParsons Corporation · published January 15, 2026 · Tier A

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