Managed Security Services (MSSP/MDR)
Pure-play managed security service providers: 24/7 SOC-as-a-service, managed detection and response (MDR), managed SIEM/XDR and outsourced security operations delivered as a service rather than sold as software.
ReliaQuest
ReliaQuest operates GreyMatter, a security operations platform that unifies detection, investigation, and response across a customer's existing security…
Arctic Wolf
Managed detection and response provider delivering a 24/7 human 'Concierge Security Team' as a de facto outsourced SOC…
Blackpoint Cyber
Managed detection and response (MDR) platform built by former NSA operatives, delivered exclusively through managed service providers and…
UltraViolet Cyber
A practitioner-led managed security provider blending offensive and defensive operations, from AI-augmented pentesting to 24x7 SOC monitoring, under…
Ontinue
Ontinue delivers 24/7 Managed Extended Detection and Response built specifically to maximize the value of an organization's existing…
RADICL
A Boulder, Colorado-based cybersecurity-as-a-service provider built specifically for small and mid-sized Defense Industrial Base contractors, combining managed detection…
Huntress
Managed detection and response platform purpose-built for small and midsize businesses, delivered primarily through managed service providers rather…
LevelBlue
Managed security services provider spun off from AT&T Cybersecurity in 2024, majority-owned by WillJam Ventures, describing itself as…
eSentire
Waterloo, Canada-based MDR pioneer protecting 2,000+ organizations with a Controlled Autonomy operating model pairing agentic AI and human…
BlueVoyant
Managed detection and response and third-party cyber risk management provider that monitors client networks and vendor ecosystems from…
Tenex
Sarasota-based AI-native managed detection and response provider pairing automated triage with human analyst oversight at sub-minute speed.
Expel
Vendor-agnostic managed detection and response provider known for transparent, plain-language alert explanations layered on top of a customer's…
Eye Security
Eye Security is a Netherlands-based managed detection and response provider that bundles 24/7 MDR, incident response, and threat…
Daylight
Tel Aviv-based managed detection and response provider combining AI agents with human analysts, extended to detect threats against…
Pondurance
Pondurance delivers risk-based managed detection and response built specifically to give mid-market organizations enterprise-grade protection through a 24/7…
mnemonic
An Oslo-based managed detection and response provider serving major Nordic and European enterprises, recognized by Gartner as a…
Binary Defense
Binary Defense provides managed detection and response (MDR) and SOC-as-a-service through a vendor-agnostic Managed Open XDR model, founded…
CHT Security
Chunghwa Telecom subsidiary providing managed security, SOC and MDR services in Taiwan, recognized by Frost & Sullivan as…
Cyderes
Human-led, machine-driven managed detection and response provider ranked among the top 25 MSSPs globally.
Deepwatch
A managed detection and response provider using a named-analyst "Squad" delivery model and deep Splunk-ecosystem ties, backed by…
Quorum Cyber
An Edinburgh-based managed detection and response and professional services firm built around Microsoft security technologies, serving mid-market and…
Beyon Cyber
Bahrain-based managed security provider with a CREST-accredited SOC offering MDR and incident response across the Gulf, built on…
Proficio
Proficio is a managed detection and response provider that has run outsourced SOC operations for mid-market and enterprise…
LMNTRIX
Bootstrapped MDR/XDR provider whose Active Defense platform natively integrates deception technology and dark-web intelligence, recognized as an IDC…
Integrity360
A Dublin-headquartered, CREST-accredited managed security services provider running seven SOCs across Europe and Africa, formed in part through…
AirMDR
Menlo Park startup from the founders of Sumo Logic and LogicHub building an AI-analyst-driven managed detection and response…
Inspira Enterprise
India-origin managed security provider running AI-driven Cyber Fusion Centers across Asia, the Middle East and the US.
Red Canary (a Zscaler company)
MDR provider known for detection-engineering rigor and its open-source Atomic Red Team testing framework, acquired by Zscaler in…
HWG Sababa
Italian cybersecurity group offering managed security, consulting, and OT/IoT services, formed from the 2023 merger of HWG and…
Smarttech247
Cork, Ireland-based managed detection and response provider combining a 24/7 SOC with its VisionX platform, which integrates telemetry…
Nclose
Cape Town-based cybersecurity services firm, now part of Integrity360, offering MDR, testing and managed security in South Africa.
CyFlare
CyFlare is a bootstrapped, Rochester NY-based MSSP delivering 24/7 tool-agnostic SOC-as-a-service through its Cyflare ONE platform for MSPs…
Wirespeed (a Coalition company)
Automated MDR platform using deterministic, non-LLM triage logic for fast, low-noise alert verdicts; acquired by cyber insurer Coalition…
LAC Co., Ltd.
Tokyo-listed security services company operating JSOC, one of Japan's largest security monitoring centres, alongside incident response and consulting.
SK shieldus
South Korean cybersecurity and physical security services company, formed by the 2021 merger of SK Infosec and ADT…
DigitalHands
Tampa-based managed security services provider delivering 24/7 SOC, MDR, and unified security posture management for mid-market clients.
Eventus Security
Navi Mumbai-based MSSP delivering managed SOC, threat intelligence, and cyber resilience services across India, Southeast Asia, and the…
GoSecure Inc.
Managed detection and response provider integrating endpoint, network, and email threat detection into its Titan platform for 24/7…
Corsica Technologies
Managed IT and cybersecurity services provider offering unlimited managed cyber security for a flat monthly fee.
DigiSOC
Bogotá-based managed security service provider delivering MDR and SOC services across Colombia and Latin America.
SecurityHQ
Global, technology-agnostic MSSP delivering 24/7 managed detection and response from six SOCs across five continents.
Advens
European managed detection and response provider running 24x7 SOC services, XDR, and OT/IoT security monitoring across France, Germany,…
Vijilan Security
Hallandale Beach, Florida-based 100% channel-exclusive SOC-as-a-service provider, delivering white-labeled 24/7 SIEM, MDR, and XDR monitoring exclusively through MSP,…
ThreatSpike Labs
A London-based managed detection and response provider bundling unlimited fixed-cost penetration testing with continuous MDR, self-funded for over…
ADEO Cyber Security
Istanbul-based cybersecurity provider delivering managed and on-site SOC, MDR, incident response and testing services in Turkey and the…
Communication Valley Reply
ISO 27001-certified managed security operation center within Italy's Reply Group, specializing in 24/7 monitoring and financial-sector fraud and…
Netsecurity
Norwegian managed security provider operating a 24/7 Nordic SOC with MDR, incident response and NSM-approved incident handling.
Telenor Cyberdefence
Norwegian managed security company created by Telenor in 2024 offering 24/7 SOC, MDR, incident response and red teaming…
AKATI Sekurity
Kuala Lumpur MSSP with a 24/7 SOC, licensed for managed SOC monitoring in Malaysia, ranked in MSSP Alert's…
Socura
UK managed detection and response provider running Wales' national CymruSOC and CREST-accredited 24/7 threat containment for public-sector and…
esentry
Lagos-based managed security service provider offering 24/7 SOC monitoring, incident response and compliance services across Nigeria and Africa.
Bridewell
UK-founded managed security services provider running 24/7 SOC, MDR, and compliance services, now merging with French MSSP I-TRACING…
CyberOne
CyberOne is a UK managed detection and response and SOC-as-a-service provider, formerly known as Comtact, operating a Microsoft-verified…
CYREBRO
Israeli-founded cloud-based SOC-as-a-Platform provider (formerly CyberHat) delivering technology-agnostic managed detection and response to mid-market organizations.
5ironCyber
5ironCyber is a bootstrapped, Tennessee-based MSSP delivering 24/7 SOC monitoring and managed endpoint detection and response tailored specifically…
SECUINFRA GmbH
A Berlin MDR and cyber defense center specialist focused on the DACH region for over 15 years.
AUCyber
Australian-owned managed security provider and sovereign cloud specialist running an onshore 24x7 SOC for government and critical industries.
Certego
An Italian pure-play Managed Detection and Response provider running a 24/7 CSIRT and proprietary SOAR platform for European…
CyberMaxx
A Maryland-based managed detection and response provider that has grown through acquisition (CipherTechs, Corvid Cyberdefense, Cybersafe Solutions, onShore…
Virtual Guardian
Toronto-based MSSP offering 24/7 SOC monitoring, governance and compliance consulting, and API/application security under the unified Virtual Guardian…
PureCyber
UK-based managed security services provider offering 24/7 SOC-as-a-service, MXDR, penetration testing, and incident response, with NCSC-recognized advisory and…
indevis
Munich-based managed security service provider running firewall, SD-WAN, and incident response operations for mid-market and regulated German enterprises.
Quadrant Information Security
Jacksonville-based MDR provider whose proprietary Sagan SIEM and IDS engine, backed by over 7,500 internally developed detection signatures,…
Avertium
Avertium is a Knoxville-based managed security provider acquired by CyberMaxx to expand Microsoft-focused and mid-market security services.
Gradient Cyber
A Texas-based managed extended detection and response provider giving mid-market companies 24/7 SOC coverage without an in-house security…
Secureworks (a Sophos company)
Taegis XDR/MDR provider and Counter Threat Unit threat-intelligence team, now part of Sophos, together forming one of the…
A2Secure
Barcelona-based MSSP and PCI DSS specialist offering co-managed SOC/MDR, CISO-as-a-service, and compliance advisory to mid-market and payments-sector clients.
Emantra
Australian sovereign cloud and managed security provider operating a 24/7 SOC and managed secure internet gateways from Brisbane…
Obrela
EMEA-focused managed detection and response provider that absorbed fellow Greek firm Encode in 2022 to become one of…
Alchemy Security
A Denver-based Splunk-focused MSSP offering 24/7 managed detection and response plus Lapis, a proprietary risk-maturity layer built on…
CyberProof
CyberProof, a UST company, delivers cloud-first, AI-powered managed extended detection and response (MXDR) and co-managed security operations, combining…
CriticalStart
CriticalStart (Critical Start) is a Plano, Texas-based managed detection and response provider built around its CORR platform and…
UNDERDEFENSE Inc
A bootstrapped New York MDR provider whose MAXI platform unifies SOC, pentesting, incident response, and compliance.
Threatscape
Threatscape is a Dublin, Ireland-based cybersecurity consultancy offering managed security services (24/7 monitoring and protection), professional services (solution…
Primary Guard
Kuala Lumpur MSSP offering managed SOC/MDR, managed IAM, threat intelligence and web security to enterprises in Southeast Asia…
KHIPU Networks
Managed cybersecurity provider with a 24/7 security operations centre serving South African and wider African organisations.
Brier & Thorn
San Diego-based, ISO 27001-certified vendor-neutral MSSP offering managed detection and response, threat intelligence, and SecOps-as-a-Service across North and…
Persist Security
Israeli managed security provider offering 24/7 SOC, MDR, incident response, threat intelligence and compliance services.
Performanta
Performanta is a risk-based cybersecurity consultancy and managed security service provider with roots in South Africa and headquarters…
Swiss Post Cybersecurity
Swiss managed detection and response, SOC and incident response provider formed by Swiss Post's 2024 merger of Hacknowledge…
Hurricane Labs
Hurricane Labs is a Splunk-focused managed security services provider delivering 24x7 SOC-as-a-service, Splunk management, and SOAR operations.
CYSIAM
UK-based 24/7 managed detection and response (MDR) and cyber threat intelligence provider serving defense, national security, and critical…
A3Sec
A3Sec is a Madrid-headquartered security operations provider running 24/7 SOCs across Spain and Latin America, offering exposure management,…
Field Effect
Field Effect is an Ottawa-based managed detection and response provider built on proprietary technology and intelligence-community-derived tradecraft, offering…
Fortra (Alert Logic MDR/XDR/WAF Bus.)
Alert Logic was Fortra’s managed detection and response (MDR), extended detection and response (XDR), and web application firewall…
Tempest Security Intelligence
Tempest Security Intelligence is Brazil's largest cybersecurity firm, providing MSSP, MDR, incident response, and digital identity protection services…
STACK Cybersecurity
A two-decade Detroit-area MSSP with SOC 2 Type 2 and CMMC RPO status, acquired by IT Solutions in…
Cloudfence
Luso-Brazilian managed security provider delivering MDR and SOC-as-a-service built on open-source Wazuh and OPNsense across Brazil, Portugal, Colombia…
Insicon Cyber
Australian managed security provider delivering a sovereign-staffed SOC, MDR, managed SIEM and compliance services for mid-market organisations.
ado.security
A Copenhagen MDR and offensive-security specialist acquired by Bridgepoint-backed DataExpert in July 2026.
InTimeSec
Taipei-based managed detection and response provider offering 24/7 MDR, threat hunting and its own EDR product.
Collective Defence
Newly combined managed-detection and collective-threat-sharing security firm formed from the February 2026 merger of MSSP ITC Secure and…
Lumifi Cybersecurity
Managed detection and response provider built through acquisition, combining the EventTracker SIEM with 24/7 SOC services after absorbing…
Alert Logic
Managed detection and response (MDR, XDR, WAF) provider, historically based in Houston, that moved from Fortra to LevelBlue…
CyBourn
Managed detection and response provider running a global SOC and proprietary EtherLast XDR platform, headquartered in Washington, D.C.…
CyberForce|Q
CyberForce|Q runs a Collective Security Operations Center that pools threat intelligence across its client base, serving mid-market healthcare,…
Pinewood
Pinewood is a Dutch managed security services provider running a 24/7 Security Operations Center for Benelux organizations, alongside…
BitLyft Cybersecurity
BitLyft is a Michigan-based managed detection and response provider whose BitLyft AIR platform combines SIEM-as-a-service, SOC-as-a-service, and automated…
Cybriant
A managed detection and response (MDR) and managed SIEM provider giving small and mid-market organizations 24/7 security operations…
Aiuken Cybersecurity
Madrid-based MDR and managed security services provider founded in 2012, now operating within the Allurity European MSSP group.
e2e-assure
e2e-assure is a UK-owned SOC-as-a-service provider delivering 24/7 threat detection and managed detection and response through its proprietary…
SolCyber
SolCyber is a modern managed security service provider (MSSP) backed by Forgepoint Capital, delivering a curated, streamlined stack…
Beazley Security
An insurer-backed MSSP formed from Lloyd's insurer Beazley's cyber unit and Lodestone, offering managed detection, response, and advisory…
ForeNova
European MDR provider whose NovaMDR service runs a Nuremberg SOC with follow-the-sun coverage and German, English and Italian…
Infotex
A Lafayette, Indiana-based managed security service provider delivering SOC/SIEM monitoring and FFIEC-aligned compliance support built specifically for community…
SNS Security
Montpellier-based French MSSP running a 24/7 SOC, CERT incident response, and penetration testing for mid-market enterprises across France…
PDI Security and Network Solutions (formerly Nuspire)
PDI Security and Network Solutions, the rebranded continuation of managed security services provider Nuspire, delivers 24/7 managed detection…
iSPIN
iSPIN AG is a Swiss cybersecurity consulting and managed services firm based in Bassersdorf, in business for over…
Brite
A 43-year-old, MSSP Alert Top-250 managed security provider acquired as Sole Source Capital's first Fund III platform investment.
Serensic Africa
Tanzania-based managed security provider running a 24/7 SOC for banks, telecoms, government and NGOs across Africa.
TechEnabler
São Paulo-based managed security provider offering a 24x7 SOC, DDoS mitigation and network observability across Latin America.
Bastion Security Group
A Quadrant-backed New Zealand and Australian MSSP built by rolling up four security boutiques.
Cybertron
Bangkok-based provider of a 24/7 next-generation SOC service, on-demand incident response and cyber range training for Thai organizations.
Blueshift Cybersecurity
Managed detection and response (MDR) and SOC-as-a-service provider focused on small and mid-sized businesses, integrating endpoint, cloud, network,…
MAD Security
Huntsville, Alabama MSSP and CMMC Registered Provider Organization delivering 24/7 SOC, MDR, and compliance services to defense-industrial-base contractors.
Axon Technologies
Dubai-based managed security services and SOC platform provider delivering threat intelligence, incident response, and security testing for financial…
StreamScan
Montreal-based managed detection and response provider offering an open XDR platform (CDS) with a Canadian 24/7 SOC, serving…
HAWK.io
Dallas-based automated MDR provider using an AI-driven analytics engine (Octopus cAI) to compress SOC investigation and response time…
Trefle Solution
Trefle Solution is a Toulouse-based French MSSP running a 24/7 SOC and NIS2 compliance readiness services for public…
ThreatHunter.ai
Managed detection and response provider built around live, human-led threat hunting; a service-disabled veteran-owned small business formerly known…
ReeVo
An Italian MSSP expanding across Southern Europe by acquiring Security Lab Group and Hispasec in 2026.
Cloud24x7
A Florida-based managed security services provider offering SOC-as-a-service, MDR, and threat intelligence built for MSPs serving small and…
BLOKWORX
Prevention-first managed security services provider offering 24/7 SOC-backed network, endpoint and cloud security for small and mid-sized businesses…
Barrier Networks
Barrier Networks is a Glasgow-based cybersecurity service provider offering managed SOC, incident response, penetration testing, and operational technology…
Stripe OLT
A Bristol CREST-accredited managed security provider acquired by Littlefish Group in February 2026.
CyberSafe
Singapore-based managed security service provider offering round-the-clock SOC monitoring and CISO-as-a-service.
inSOC
White-label SOC-as-a-Service platform built for MSPs and MSSPs to resell, combining an AI-assisted open-XDR stack with 24/7 human-staffed…
Artilus
A Long Island K-12-focused MSSP acquired by Acture Solutions in March 2026.
Cyber Advisors
A nearly 30-year-old Minnesota MSSP (1,800+ customers) changing private-equity owners to Sterling Investment Partners in March 2026.
Katalyst
A regional managed IT and cybersecurity platform that expanded its 24/7 SOC and Microsoft delivery by acquiring Layer27…
Range Security
A Florida-based managed security services provider offering perimeter, endpoint, and industrial control system security with shared-administration SOC support…
ELK Analytics
Florida-based managed SIEM and MDR provider running a 24/7 SOC on top of the Elastic Stack, recognized on…
DesertLink IT
Nairobi IT services firm offering managed SOC, MDR and compliance services to organizations in Kenya and East Africa.
LEO Cyber Security
A Dallas-based boutique cybersecurity advisory and MSSP offering incident response, threat hunting, forensics, and virtual CISO services.
Tuearis Cyber
Texas-based managed detection and response provider building HIPAA-compliant SOC-as-a-service programs for mid-market healthcare, legal, finance, and SaaS organizations.
Fivenines
A profitable 16-person French and Moroccan MSSP (about EUR 6M revenue) acquired by Groupe Office Automation.
Talea S.r.l.
Regional Italian managed NOC/SOC services provider delivering outsourced 24/7 security operations and IT infrastructure support near Bologna.
Intalect
A Leicestershire regional MSSP acquired by Novem as its fifth deal since 2023.