Defense & Aerospace MSSP Providers
54 providers
Defense and aerospace organizations work with classified information, export-controlled technology, and sensitive government contracts. MSSPs in this space typically support compliance with ITAR, CMMC, and NIST 800-171 while providing continuous monitoring of both IT and operational technology environments. Supply chain security, insider threat detection, and incident response planning are contractual obligations in most defense programs. The first qualification question for most defense organizations is whether the MSSP's personnel and facilities hold the required security clearances.
The defense industrial base faces threats from nation-state actors seeking intellectual property, program data, and supply chain access. MSSPs serving this sector need to meet strict personnel and facility security requirements, and their monitoring capabilities need to detect the patient, persistent attack techniques used by advanced threat groups.
How to Evaluate an MSSP for Defense & Aerospace
- Ask whether the provider can demonstrate compliance with CMMC at the level required by your prime or subcontract obligations.
- Understand the MSSP's experience with ITAR compliance and whether their personnel and infrastructure meet export control requirements.
- Clarify the provider's insider threat monitoring capabilities, which are a contractual requirement in many defense programs.
- Ask about the MSSP's threat intelligence coverage for nation-state threat actors targeting the defense industrial base.
- Evaluate the provider's secure facility and personnel security posture, including whether their SOC operates from a cleared environment if required.
Defense MSSP: Cleared vs. Non-Cleared Requirements
Programs involving classified information or certain controlled unclassified information (CUI) categories require MSSPs with facility security clearances and analysts who hold active personnel clearances. These providers operate from accredited facilities, follow NISPOM requirements, and can handle data at classification levels that standard commercial MSSPs cannot touch. The pool of qualified providers is small, and procurement timelines are longer.
Many defense contractors, however, work on programs where standard CMMC Level 2 or NIST 800-171 compliance is sufficient and cleared environments are not required. In these cases, a broader set of MSSPs can compete for the work. Organizations should determine early whether their contract obligations require cleared personnel and facilities, since this single factor determines which providers are eligible before any technical evaluation begins.
Top Defense & Aerospace MSSP Providers
54 providers with Defense & Aerospace experience, compared by compliance expertise, sector-specific threat coverage, and operational fit.
MSSPProviders.io is a curated directory of managed security providers. Listings are informational and do not imply ranking or endorsement.
Security services used in this industry
Managed Detection & Response (MDR), Compliance Management, Threat Intelligence, Incident Response, Network Security Monitoring
Platforms used in this industry
CrowdStrike Falcon, Palo Alto Networks, Microsoft Sentinel, Tenable
CrowdStrike
Best for: SMB to Enterprise orgs, Retail & E-Commerce, Manufacturing
CrowdStrike provides fully managed endpoint protection and detection services built on the Falcon platform, offering turnkey MDR with their own security experts...
Sophos
VerifiedBest for: Startups to Enterprise orgs, Retail & E-Commerce, Manufacturing
Sophos MDR delivers managed detection and response built on the Sophos security ecosystem, offering both Sophos-native and multi-vendor environment support for...
Accenture Security
Best for: Enterprise orgs, Retail & E-Commerce, Manufacturing
Accenture Security provides managed security services as part of its global consulting and technology practice, serving large enterprises with complex, multi-na...
Atos Cybersecurity
Best for: Enterprise orgs, Government & Public Sector, Defense & Aerospace
Atos is a European IT services leader and one of the largest global MSSPs, operating 17 Security Operations Centers and serving 2,000+ enterprise clients with 2...
BAE Systems Digital Intelligence
Best for: Enterprise orgs, Government & Public Sector, Defense & Aerospace
BAE Systems Digital Intelligence delivers managed security services, threat intelligence, and cyber defense for government and critical infrastructure clients,...
Bitlyft
Best for: SMB to Mid-Market orgs, Energy & Utilities, Government & Public Sector
Bitlyft is a US-based MDR provider delivering True MDR with 24/7/365 monitoring by US-based Tier 3 analysts, managed SIEM, SOC-as-a-Service, and the AIR automat...
Blueshift Cybersecurity
Best for: SMB to Enterprise orgs, Government & Public Sector, Education
Blueshift Cybersecurity delivers AI-powered XDR-as-a-service with a 24/7 US-based SOC, managed SIEM, and network detection and response tailored for SMB and ent...
BlueVoyant
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Technology
BlueVoyant is an AI-driven managed cyber defense firm founded in 2017, protecting networks, supply chains, and digital footprints for 1,000+ global clients.
Booz Allen Hamilton
Best for: Enterprise orgs, Government & Public Sector, Defense & Aerospace
Booz Allen Hamilton delivers managed cybersecurity operations, threat hunting, and cyber defense services for US government agencies and critical infrastructure...
Bridewell
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Energy & Utilities
Bridewell is a UK-based MSSP founded in 2010 specializing in 24/7 managed security for critical national infrastructure, including civil aviation, energy, finan...
CACI
Best for: Enterprise orgs, Government & Public Sector, Defense & Aerospace
CACI International delivers managed cyber operations, signals intelligence, and cybersecurity services for US defense and intelligence agencies, with deep exper...
CGI Cybersecurity
Best for: Enterprise orgs, Government & Public Sector, Defense & Aerospace
CGI is a global IT services and consulting company founded in 1976 in Montreal with 90,000+ professionals, offering managed security services, cyber defense, an...
Coalfire
Best for: SMB to Enterprise orgs, Technology, Government & Public Sector
Coalfire is a leading cybersecurity and compliance advisory firm founded in 2001, with 990+ certifications held by its team, the first ISO 27701 certificate iss...
CyberCX
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Energy & Utilities
CyberCX is the largest independent cybersecurity company in Australia and New Zealand, formed in 2019 by combining 14 leading firms with 1,400+ security profess...
CyberSheath
Best for: SMB to Enterprise orgs, Defense & Aerospace, Manufacturing
CyberSheath is a leading CMMC compliance and managed security provider exclusively serving defense industrial base contractors with NIST 800-171 and CMMC certif...
Cycurion
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Defense & Aerospace
Cycurion provides AI-driven managed cybersecurity services and compliance solutions to government agencies and enterprises through its CyberCAST platform.
Deloitte Cyber
Best for: Enterprise orgs, Government & Public Sector, Manufacturing
Deloitte is a Big Four professional services firm with one of the world's largest cybersecurity practices, delivering managed security, incident response, and c...
DXC Technology
Best for: Enterprise orgs, Government & Public Sector, Manufacturing
DXC Technology is a Fortune 500 global IT services provider with a comprehensive MSSP practice, named a Leader in IDC MarketScape for MSSPs and Everest Group PE...
ECS
Best for: Enterprise orgs, Government & Public Sector, Defense & Aerospace
ECS provides advanced cybersecurity and IT solutions to the U.S. federal government, specializing in cloud security, zero trust architecture, and managed securi...
Fidelis Cybersecurity
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Defense & Aerospace
Fidelis Cybersecurity provides managed detection and response and network detection capabilities through its Fidelis Elevate platform, specializing in advanced...
GDIT (General Dynamics IT)
Best for: Enterprise orgs, Government & Public Sector, Defense & Aerospace
GDIT (General Dynamics Information Technology) is a Fairfax, VA-based defense IT and cybersecurity company providing managed cyber defense to US federal agencie...
Gotham Technology
Best for: SMB to Mid-Market orgs, Defense & Aerospace
Gotham Technology Group is a managed IT services and cybersecurity solutions provider with over 20 years of experience serving major financial, healthcare, and...
GuidePoint Security
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Technology
GuidePoint Security is a cybersecurity solutions and services firm founded in 2011 in Reston, VA with 1,200+ security experts, delivering managed security, prof...
IBM Security
Best for: Enterprise orgs, Retail & E-Commerce, Manufacturing
IBM Security provides enterprise-grade managed security services backed by the X-Force threat intelligence team and a global network of security operations cent...
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