CISO Tribune

Vendor comparison · 2 companies

Leidos vs Tata Consultancy Services

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. TCS dates its inception to 1968. CISO Tribune files both under Security consulting and advisory and Managed security service providers. 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
  • Tata Consultancy Services
Leidos vs Tata Consultancy Services: 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.comTata Consultancy ServicesTCS dates its inception to 1968.tcs.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.
  • TCS Secure AI Adoption[1]A TCS service for managing cybersecurity and data privacy risks in AI deployments.
  • TCS MDR[1]TCS MDR solutions address cyber threats for enterprises.
  • TCS Network Security Services[1]TCS network security services for organizations and hybrid workforces.
  • TCS Cloud Security Services[1]A TCS cloud security solution built on a Machine First™ approach.
  • TCS Governance, risk, and compliance services[1]TCS services for automating GRC functions.
  • Vulnerability management[1]A TCS service area that includes DevSecOps and vulnerability management.
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]Public (NSE: TCS)[3][4][5][6][10]
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]
  • October 15, 2026TCS launched the Industrial Intelligence Foundry, an AI offering that helps industrial enterprises scale AI across engineering and manufacturing.[12]
G2 and Gartner Peer Insights
  • G2: listed, seen November 5, 2026[11]
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen November 10, 2026[3]
  • 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, TCS sells mainly to enterprises and businesses, offering consulting, implementation, and managed security services. Its pages describe collaboration with governments globally on public services. Its generative AI offerings are described for banking, financial services, and insurance, and for communications, media, and information services.
Last verified
October 12, 2026October 12, 2026

Where they overlap

  • Security consulting and advisory is the primary category of both Leidos and Tata Consultancy Services; both are also filed under Managed security service providers.
  • Both are public companies.

Where they differ, field by field

  • Leidos is also filed under Vulnerability management and AI SOC analysts.
  • Leidos lists Parcata, UpHold and Cyber and Electromagnetic Activities Resiliency System (CRS). Tata Consultancy Services lists TCS Secure AI Adoption, TCS MDR, TCS Network Security Services, TCS Cloud Security Services, TCS Governance, risk, and compliance services and 1 more.
  • Leidos is headquartered in Reston, Virginia, United States.
  • Leidos is a public company listed on NYSE as LDOS. Tata Consultancy Services is a public company listed on NSE as TCS.

How they differ

CISO Tribune files Leidos under Security consulting and advisory, Vulnerability management, AI SOC analysts and Managed security service providers, with Security consulting and advisory as its primary category. CISO Tribune files Tata Consultancy Services under Security consulting and advisory and Managed security service providers, with Security consulting and advisory as its primary category. Leidos sells Parcata, which discovers, validates and prioritizes software vulnerabilities, and UpHold, which combines proactive defense with AI-driven analytics. Tata Consultancy Services sells TCS MDR, TCS Network Security Services, TCS Cloud Security Services and TCS Secure AI Adoption, along with a vulnerability management service area that includes DevSecOps.

Leidos is headquartered in Reston, Virginia, and trades on the NYSE as LDOS. Tata Consultancy Services is a public company listed on NSE as TCS. Tata Consultancy Services names clients including Air France-KLM, BT, Citibank, General Motors and TotalEnergies. It also says it collaborates with governments globally on public services.

On March 30, 2026, Leidos completed its acquisition of ENTRUST Solutions Group from Kohlberg for approximately $2.4 billion. On September 29, 2026, Leidos introduced a capability that uses AI agents to help security operations center teams identify threats needing immediate action. On October 15, 2026, Tata Consultancy Services launched the Industrial Intelligence Foundry, an AI offering for industrial enterprises across engineering and manufacturing.

What it sells: Tata Consultancy Services

What TCS MDR does[1]
TCS MDR solutions help enterprises gain a 360-degree view, automate response, and remediate cyber threats. The solutions use contextual and strategic threat intelligence.
What TCS Network Security Services does[1]
TCS Network Security Services involve 24x7 monitoring and a zero-trust approach. The services support hybrid workforces.

Questions about Leidos and Tata Consultancy Services

What do Leidos and Tata Consultancy Services sell?
Leidos sells Parcata, UpHold and Cyber and Electromagnetic Activities Resiliency System (CRS). Tata Consultancy Services sells TCS Secure AI Adoption, TCS MDR, TCS Network Security Services, TCS Cloud Security Services, TCS Governance, risk, and compliance services and 1 more.
Are Leidos and Tata Consultancy Services in the same category?
Yes. Security consulting and advisory is the primary category of both on CISO Tribune.
Where are Leidos and Tata Consultancy Services headquartered?
Leidos is headquartered in Reston, Virginia, United States.
Who owns Leidos and Tata Consultancy Services?
Leidos is a public company listed on NYSE as LDOS. Tata Consultancy Services is a public company listed on NSE as TCS.
Who are Leidos and Tata Consultancy Services sold to?
From its own pages, Leidos sells mainly to government and commercial customers. From its own pages, TCS sells mainly to enterprises and businesses, offering consulting, implementation, and managed security services.
What have Leidos and Tata Consultancy Services 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. October 15, 2026: TCS launched the Industrial Intelligence Foundry, an AI offering that helps industrial enterprises scale AI across engineering and manufacturing.

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

Tata Consultancy Services full record

  1. [1]Data and Cybersecurity to Fight off CyberattacksTata Consultancy Services · undated page, accessed October 12, 2026 · Tier A
  2. [2]Disclosure of Related Party Transactions for half year ended September 30, 2021Tata Consultancy Services · tcs.com · published September 30, 2021 · Tier A
  3. [3]Tata Consultancy Services Reviews 2026: Details, Pricing, & Features - G2G2 · undated page, accessed November 1, 2026 · Tier C
  4. [4]Tata Consultancy Services (TCS) Reviews - GartnerGartner Peer Insights · undated page, accessed November 1, 2026 · Tier C
  5. [5]TCS Security PolicyTata Consultancy Services · undated page, accessed November 10, 2026 · Tier A
  6. [6]TCS Consulting Services to Achieve Success in the Digital EraTata Consultancy Services · undated page, accessed November 10, 2026 · Tier A
  7. [7]Unlock Business Agility and Future-ready Operations with TCSTata Consultancy Services · undated page, accessed November 10, 2026 · Tier A
  8. [8]AI and Data & Analytics: Powering Tomorrow’s Intelligent EnterpriseTata Consultancy Services · undated page, accessed November 10, 2026 · Tier A
  9. [9]Building a Smarter, Connected Tomorrow with AI-first and Agentic AITata Consultancy Services · undated page, accessed November 10, 2026 · Tier A
  10. [10]Forward-thinking government for citizen-first servicesTata Consultancy Services · undated page, accessed November 10, 2026 · Tier A
  11. [11]TCS Customer Stories on Driving Strong Growth and TransformationTata Consultancy Services · undated page, accessed November 10, 2026 · Tier A
  12. [12]TCS launches Industrial Intelligence Foundry to accelerate AI-led autonomy and engineeringTata Consultancy Services · published October 15, 2026 · Tier A

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