CISO Tribune

Vendor comparison · 2 companies

Leidos vs Red Sentry

Leidos is a technology company that serves government and commercial customers with digital and mission innovations, with AI, cyber and mission software at its core. Red Sentry sells offensive security services, from one-off penetration tests to ongoing PTaaS (Penetration Testing as a Service) partnerships. 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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  • Leidos
  • Red Sentry
Leidos vs Red Sentry: Products, Customers and Funding Compared
LeidosLeidos is a technology company that serves government and commercial customers with digital and mission innovations, with AI, cyber and mission software at its core.leidos.comRed SentryRed Sentry sells offensive security services, from one-off penetration tests to ongoing PTaaS (Penetration Testing as a Service) partnerships.redsentry.com
What it sells
  • Parcata[1]A tool that discovers, validates and prioritizes software vulnerabilities across mission-critical systems to focus remediation efforts.
  • UpHold[1]A platform that combines proactive defense and AI-driven analytics to reduce cyber risk and help security teams prioritize and respond to alerts.
  • Cyber and Electromagnetic Activities Resiliency System (CRS)[1]A system that provides real-time detection and AI-enabled analytics to give earlier warning of threats to tactical systems.
  • PTaaS[1][3][5]A platform that gives teams a central place to track findings, remediation, retesting, communication, and report delivery.
  • Source Code Review[7]Tool-assisted static analysis paired with manual security review and validation.
  • Red Teaming[4]A simulated full-scale attack that tests an organization's people, processes, and technology.
  • Physical Security Assessment[9]Tests whether physical controls, people, and processes prevent unauthorized access to agreed locations and objectives.
Categories
Headquarters
Reston, Virginia, United States[2][12]Not stated on its pages
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Public (NYSE: LDOS)[2][8][11][13][17][20]Not stated on its pages
Named customers
Not stated on its pagesNot stated on its pages
Recent news
  • October 2, 2026Leidos has a new joint venture, operating under the Analogic brand, that combines security screening technologies, engineering expertise and advanced manufacturing capabilities.[10]
  • September 29, 2026Leidos introduced a capability that uses AI agents to help security operations center teams identify threats needing immediate action.[9]
  • March 30, 2026Leidos completed its acquisition of ENTRUST Solutions Group from Kohlberg for approximately $2.4 billion.[20]
  • March 30, 2026Leidos added ENTRUST through an acquisition, gaining more than 3,100 professionals in electric grid engineering and natural gas infrastructure.[8]
  • March 10, 2026Leidos announced a partnership with Dropzone AI to help U.S. federal agencies respond to cyber threats, and made a strategic investment in Dropzone AI.[21]
Not stated on its pages
G2 and Gartner Peer Insights
  • G2: listed, seen November 5, 2026[11]
  • Gartner Peer Insights: Not stated on its pages
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
Who it fits
From its own pages, Leidos sells mainly to government and commercial customers. Leidos names the defense, intelligence, civil and health markets. Leidos Australia has partnered with government, defence and national security customers. Leidos provides engineering services for commercial electric utilities. Leidos describes DISN services delivered to the Department of War (DoW) and national security organizations worldwide.From its own pages, Red Sentry sells its testing services to organizations of all sizes. For mature security teams, Red Sentry offers advanced Red Teaming and adversary simulation. Red Sentry addresses buyers whose auditors require more than a scan. Red Sentry reviews both traditionally developed and AI-assisted codebases.
Last verified
October 12, 2026November 13, 2026

Where they overlap

  • Leidos and Red Sentry are both filed under Vulnerability management.

Where they differ, field by field

  • Leidos's primary category is Security consulting and advisory; Red Sentry's is Penetration testing and red team services.
  • Leidos is also filed under AI SOC analysts and Managed security service providers. Red Sentry is also filed under Breach simulation and automated pen-testing.
  • Leidos lists Parcata, UpHold and Cyber and Electromagnetic Activities Resiliency System (CRS). Red Sentry lists PTaaS, Source Code Review, Red Teaming and Physical Security Assessment.
  • Leidos is headquartered in Reston, Virginia, United States.
  • Leidos is a public company listed on NYSE as LDOS.

What it sells: Red Sentry

What PTaaS does[1][3][5]
PTaaS means penetration testing as a service. Every Red Sentry engagement includes full access to the PTaaS platform at no extra cost. The platform offers Jira integration for pushing remediation tickets to engineering teams. Portal access lets teams track project status, access reports and evidence, and manage remediation.
What Source Code Review does[7]
Source code review is a standalone Red Sentry service. Red Sentry reviews traditionally developed and AI-assisted codebases using the same human-led security review process. One round of remediation testing is included when requested within 90 days of report delivery, unless otherwise scoped.
What Red Teaming does[4]
Red Sentry follows the MITRE ATT&CK framework to simulate the entire lifecycle of a breach. Red team work includes testing endpoint protection (EDR/AV) by attempting to execute custom malware or tools. Red Sentry collaborates with the Blue Team to explain how controls were bypassed.
What Physical Security Assessment does[9]
Physical security assessment is a standalone Red Sentry service. Red Sentry agrees written authorization and rules of engagement before testing starts. Findings are documented with photographic evidence, steps to recreate them, severity, and remediation guidance.

Questions about Leidos and Red Sentry

What do Leidos and Red Sentry sell?
Leidos sells Parcata, UpHold and Cyber and Electromagnetic Activities Resiliency System (CRS). Red Sentry sells PTaaS, Source Code Review, Red Teaming and Physical Security Assessment.
Are Leidos and Red Sentry in the same category?
They share Vulnerability management. Leidos's primary category is Security consulting and advisory and Red Sentry's is Penetration testing and red team services.
Where are Leidos and Red Sentry headquartered?
Leidos is headquartered in Reston, Virginia, United States.
Who owns Leidos and Red Sentry?
Leidos is a public company listed on NYSE as LDOS.
Who are Leidos and Red Sentry sold to?
From its own pages, Leidos sells mainly to government and commercial customers. From its own pages, Red Sentry sells its testing services to organizations of all sizes.
What have Leidos and Red Sentry announced recently?
October 2, 2026: Leidos has a new joint venture, operating under the Analogic brand, that combines security screening technologies, engineering expertise and advanced manufacturing capabilities.

About Leidos

Leidos is a technology company that serves government and commercial customers with digital and mission innovations, with AI, cyber and mission software at its core. Leidos says its solutions are engineered for rapid deployment, scalable performance and consistent results. Leidos works across the defense, intelligence, civil and health markets.[14]

Leidos says its cyber operations work is AI-enabled and adapts to evolving threats, accelerates decisions and strengthens mission resilience. Leidos describes secure, scalable software that delivers new capabilities faster and adapts as missions evolve. Leidos describes proving what works and scaling it fast, from missiles and sensors to maritime autonomy. Leidos describes AI-enabled health solutions that strengthen access and outcomes.[15]

Leidos says one of its sectors delivers performance-based IT services and repeatable solutions. Leidos says its digital engineering approach to IT transformation applies cloud-factory and aaS (as a Service) capabilities and integrates commercial products.[16]

Leidos is headquartered in Reston, Virginia, with approximately 50,000 global employees. Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. Leidos trades on the NYSE under the symbol LDOS. Engineering and technology for secure energy infrastructure is a strategic focus for Leidos under its NorthStar 2030 growth strategy.

More than 1,400 Leidos employees contribute in the UK and Europe, a region Leidos says plays a central role in its future growth strategy. Leidos Australia designs, builds, operates and supports systems, services and capabilities that help protect and advance the Australian way of life. Leidos Israel partners with the local technology eco-system to develop in-country talent. Leidos says it relies on enduring partnerships to provide practical answers to some of the Gulf region's most complex challenges. Leidos Canada provides a wide range of technology services to government agencies and private enterprise.[3][18]

The C5ISR Center Cyber Security Service Provider (CSSP) is a defensive cyber operations organization supporting the Department of War (DoW). DISA delivers Defense Information Systems Network (DISN) services to the Department of War (DoW) and national security organizations worldwide. Leidos operates a geographically dispersed team of more than 240 professionals providing 24x7x365 support for DISN services. Leidos says that team works to ensure the availability, reliability and operational resilience of DISN services through proactive network monitoring, incident management, service restoration and infrastructure sustainment.[5][14][19]

Leidos has signed a definitive agreement to acquire ENTRUST Solutions Group from Kohlberg for approximately $2.4 billion. Leidos says the acquisition brings it into the utility gas and electric generation infrastructure markets and would double the size of its $600 million energy infrastructure engineering business. Leidos expects the transaction to close by the end of the second quarter of 2026. Leidos has provided engineering services for commercial electric utilities, focused on transmission and distribution, for more than two decades. ENTRUST Solutions Group has 3,100+ professionals across 40+ locations in North America providing engineering, consulting, design, asset integrity, data solutions and automation services to utilities, operators and industrial customers.

Leidos operates the Saxton Transportation Operations Laboratory (STOL), a USDOT research lab focused on improving transportation operations, safety, mobility and environmental impacts. Leidos has a customer service team that supports the US Department of Housing and Urban Development (HUD), Office of Single-Family Housing.[1][3][4][5][6][7][18][19]

Leidos on the record

Sources

Leidos full record

  1. [1]CyberLeidos · leidos.com · undated page, accessed October 12, 2026 · Tier A
  2. [2]Leidos delivers strong second quarter and enhances full yearPRNewswire · investors.leidos.com · published August 4, 2026 · Tier A
  3. [3]Platform Engineer in Australia (No Remote)Leidos · undated page, accessed November 1, 2026 · Tier A
  4. [4]Azure Cloud Security Engineeer in Adelphi, Maryland (Hybrid Remote)Leidos · undated page, accessed November 1, 2026 · Tier A
  5. [5]Senior AI Platform Engineer in Adelphi, Maryland (Remote)Leidos · undated page, accessed November 1, 2026 · Tier A
  6. [6]Production Technician in Australia (No Remote)Leidos · undated page, accessed November 1, 2026 · Tier A
  7. [7]Transportation Data Scientist (AI Solutions) in McLean, Virginia (No Remote)Leidos · undated page, accessed November 1, 2026 · Tier A
  8. [8]Leidos completes $2.4 billion acquisition of ENTRUSTLeidos · published March 30, 2026 · Tier A
  9. [9]Leidos launches agentic AI platform to speed response to cyber threatsLeidos · published September 29, 2026 · Tier A
  10. [10]Leidos Security Enterprise Solutions and Analogic close deal to strengthen global security screening capabilitiesLeidos · published October 2, 2026 · Tier A
  11. [11]Leidos Reviews 2026: Details, Pricing, & Features | G2G2 · undated page, accessed November 1, 2026 · Tier C
  12. [12]Customer Service Representative in Indianapolis, Indiana (No Remote)Leidos · undated page, accessed November 5, 2026 · Tier A
  13. [13]Global | LeidosLeidos · undated page, accessed November 5, 2026 · Tier A
  14. [14]Deputy Operations Service Delivery Manager (SDM) in Scott Air Force Base, Illinois (No Remote)Leidos · undated page, accessed November 5, 2026 · Tier A
  15. [15]Leidos. Outsmart. Outdo.Leidos · undated page, accessed November 5, 2026 · Tier A
  16. [16]Tier 1 Customer Service Representative in Remote, US (Remote)Leidos · undated page, accessed November 5, 2026 · Tier A
  17. [17]Leidos to acquire power design firm ENTRUST, bolstering its energy infrastructure portfolio | LeidosLeidos · published January 26, 2026 · Tier A
  18. [18]Platform Engineer in Australia (Hybrid Remote)Leidos · undated page, accessed November 5, 2026 · Tier A
  19. [19]Cybersecurity Project Manager in Adelphi, Maryland (Hybrid Remote)Leidos · undated page, accessed November 5, 2026 · Tier A
  20. [20]Leidos completes $2.4 billion acquisition of ENTRUSTPR Newswire · published March 30, 2026 · Tier A
  21. [21]Leidos, Dropzone AI to accelerate federal agencies' cyber responsesLeidos · published March 10, 2026 · Tier A

Red Sentry full record

  1. [1]redsentry.comRed Sentry · redsentry.com · undated page, accessed November 13, 2026 · Tier A
  2. [2]DetailsRed Sentry · app.redsentry.com · undated page, accessed November 13, 2026 · Tier A
  3. [3]Red Sentry | Human-Led Penetration Testing & PTaaSRed Sentry · undated page, accessed November 13, 2026 · Tier A
  4. [4]Penetration Testing & Offensive Security Services | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A
  5. [5]Web Application Penetration Testing Services | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A
  6. [6]API Penetration Testing Services | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A
  7. [7]Secure Code Review Services | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A
  8. [8]Cloud Penetration Testing (AWS, Azure, GCP) | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A
  9. [9]Physical Security Pentesting | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A
  10. [10]Red Teaming Services: Objective-Based Attack Sims | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A
  11. [11]Social Engineering & Phishing Services | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A
  12. [12]SOC 2 Penetration Testing Support | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A
  13. [13]Network Pen Testing (Internal & External) | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A
  14. [14]Pen Testing Services for Modern Organizations | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A

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