CISO Tribune

Vendor comparison · 2 companies

Hold Security, LLC vs Parsons

Hold Security, LLC is an Information Security, Threat Intelligence, Penetration Testing, Risk Management and Incident Response company, helping businesses of all sizes stay secure. 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 Threat intelligence and Incident response and forensics. 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.

Change the companies

Up to four companies side by side.

  • Hold Security, LLC
  • Parsons
Hold Security, LLC vs Parsons: Products, Customers and Funding Compared
Hold Security, LLCHold Security, LLC is an Information Security, Threat Intelligence, Penetration Testing, Risk Management and Incident Response company, helping businesses of all sizes stay secure.holdsecurity.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
  • Threat Intelligence Services[1][4][6]Indexes and correlates public and private resources on the Dark Web and Internet to identify malicious and threatening events.
  • Domain Integrity Service[2][4]Provides monitoring and alerting of domain names.
  • 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
From its own pages, Hold Security sells mainly to companies of all sizes. Hold Security designs its Threat Intelligence Services to assist organizations in monitoring the Dark Web. Companies that develop their own software, or want to verify that vendor software contains no undiscovered vulnerabilities, are among those Hold Security says it can help. Hold Security also directs its incident response work at companies that encounter ransomware, APTs, Nation State targeting or suspected cyber fraud or theft. Organizations that want to verify organizational controls around regulatory levels, human resources and data classification are another group Hold Security addresses.From 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
October 30, 2026October 14, 2026

Where they overlap

  • Threat intelligence is the primary category of both Hold Security, LLC and Parsons; both are also filed under Incident response and forensics.

Where they differ, field by field

  • Hold Security, LLC is also filed under Digital risk protection and Penetration testing and red team services. Parsons is also filed under OT and ICS security and Vulnerability management.
  • Hold Security, LLC lists Threat Intelligence Services and Domain Integrity Service. 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.

How they differ

CISO Tribune files Hold Security, LLC under Threat intelligence, Digital risk protection, Penetration testing and red team services, and Incident response and forensics, with Threat intelligence as its primary category. CISO Tribune files Parsons under Threat intelligence, Incident response and forensics, OT and ICS security, and Vulnerability management, also with Threat intelligence as primary. The two share those two categories, but the products they sell differ.

Hold Security sells Threat Intelligence Services that index and correlate public and private resources on the Dark Web and Internet, plus a Domain Integrity Service for monitoring and alerting of domain names. It also offers Penetration Testing, Red Team, and Vulnerability Assessment services, and Incident Response Services. Hold Security says it works with companies of all sizes, including Fortune Global 500 organizations. Its line also includes DroneArmor, a counter unmanned aircraft systems solution. Parsons describes itself as a provider in the national security and critical infrastructure markets, and says TReX supports various DoD, IC, and Defense Industrial Base partners.

On recent activity, Parsons Corporation announced on January 15, 2026 that it had acquired Altamira Technologies Corporation in a transaction valued at up to $375 million.

What it sells: Hold Security, LLC

What Domain Integrity Service does[2][4]
Hold Security's Domain Integrity Service provides monitoring and alerting of domain names. Domain Integrity Service offers portal access or customized reports created by Hold Security analysts.

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 Hold Security, LLC and Parsons

What do Hold Security, LLC and Parsons sell?
Hold Security, LLC sells Threat Intelligence Services and Domain Integrity Service. 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 Hold Security, LLC and Parsons in the same category?
Yes. Threat intelligence is the primary category of both on CISO Tribune.
Who are Hold Security, LLC and Parsons sold to?
From its own pages, Hold Security sells mainly to companies of all sizes. From its own pages, Parsons sells mainly to national security and critical infrastructure customers.
What have Hold Security, LLC 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 Hold Security, LLC

Hold Security, LLC is an Information Security, Threat Intelligence, Penetration Testing, Risk Management and Incident Response company, helping businesses of all sizes stay secure. Hold Security works with companies around the world to enhance their security posture. Alex Holden worked for over 10 years as the Chief Information Security Officer for a large brokerage firm in the United States before joining the consulting world. Hold Security engineers play lead roles in investigations of major security breaches.[3]

Hold Security indexes and correlates public and private/confidential resources on the Dark Web and Internet to identify malicious and threatening events. Hold Security Threat Intelligence Analysts examine threat data and interpret it to eliminate false positives. Hold Security designs its Threat Intelligence Services to assist organizations in monitoring the Dark Web. Hold Security has profiled thousands of actors. Most data gathering and processing at Hold Security is conducted by native speakers of English, Russian, Ukrainian, Spanish, Portuguese, and Mandarin.[1][3]

Hold Security's Domain Integrity Service provides monitoring and alerting of domain names. Domain Integrity Service offers portal access or customized reports created by Hold Security analysts.[2]

Hold Security conducts assessments of infrastructure and software through its Information Security Assessment Services to identify critical vulnerabilities. Hold Security offers services that include Penetration Testing, Red Team, and Vulnerability Assessment. Hold Security conducts all of its assessments in accordance with industry regulations and customer requirements. Hold Security compares test results to industry security standards and continuously measures improvements over time.[2][5][6]

Hold Security testing methodologies require engineers to conduct in-depth manual reviews of test results and their own battery of tests. Hold Security never relies on automated scanning tools as a sole way for assessments. Hold Security uses its Threat Intelligence Services to obtain the latest tools and techniques employed by cyber criminals. Hold Security's Black Box assessment technique simulates real-life situations where electronic assets are tested for vulnerabilities and subversions using the most basic sets of information available. Hold Security's Grey Box assessment technique scans with as much knowledge about the systems as the customer is willing to share. Hold Security offers a White Box assessment to audit or test systems, performed from the system administrator level with access to all necessary resources.[6]

Hold Security conducts tests including regression testing, debug analysis and code review to test all inputs and outputs of software for vulnerabilities. Hold Security's services include examinations of patch levels across customer software and libraries. Hold Security provides specialized Red Teams focused on offense and Purple Teams that unite offense and defense. Hold Security can help customers verify that organizational controls around security are effective on regulatory levels, human resources, and data classification. Hold Security engineers help customers identify data types and how data moves inside the enterprise within its partners and for its customers.[6]

Hold Security offers Incident Response Services to provide support and expertise in the event of cyber incidents. Hold Security helps companies that suspect cyber fraud or theft, face APTs or Nation State targeting, or encounter issues with ransomware. Hold Security works with companies of all sizes, including Fortune Global 500 organizations.[2][3][5][6]

Hold Security, LLC on the record

Sources

Hold Security, LLC full record

  1. [1]holdsecurity.comHold Security · holdsecurity.com · undated page, accessed October 30, 2026 · Tier A
  2. [2]SolutionsHold Security · holdsecurity.com · undated page, accessed October 30, 2026 · Tier A
  3. [3]About Us | Hold SecurityHold Security · undated page, accessed November 10, 2026 · Tier A
  4. [4]Hold Security - Information Security & Threat IntelligenceHold Security · undated page, accessed November 10, 2026 · Tier A
  5. [5]Solutions | Hold SecurityHold Security · undated page, accessed November 10, 2026 · Tier A
  6. [6]Information Security Assessment Services | Hold SecurityHold Security · undated page, accessed November 10, 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

Spot a factual error? Request a correction.