Loading...
Cybersecurity service providers are the firms you bring in when you need hands and expertise rather than another tool: managed detection and response, penetration testing, vCISO and advisory, incident response, and compliance work. For teams that cannot hire fast enough, the right partner is often the difference between a control on paper and one that actually runs. The hard part is matching scope, specialization, and trust.
Browse 454 cybersecurity solutions, with 0 security professionals searching monthly
Cybersecurity software firm offering SIEM, mobile app security, PKI, and log mgmt.
Dutch cybersecurity firm offering managed security services and consulting.
Managed IT and cybersecurity services provider for SMBs and mid-market firms.
Cybersecurity services provider offering defense, offense & incident response
Managed IT services provider for cloud, cybersecurity, and NOC/SOC for financial sector.
Australian SecOps platform for threat detection, monitoring & incident response.
Managed security services provider with autonomous threat detection platform
Canadian MSP-focused cybersecurity firm offering L3 security, audits, and compliance.
Italian cybersecurity group offering MDR, SOC, and threat intelligence services.
IT services firm providing consulting, integration & operations for enterprise tech
Israeli cybersecurity firm offering cyber defense and network security solutions.
Cybersecurity consulting firm offering security design, assessment, hardening, and IR.
MSSP offering MDR, XDR, SIEM, EDR, and professional services for mid-market firms.
Managed IT services provider offering cybersecurity, cloud, and IT support for SMBs.
Provides unified offensive and defensive security solutions.
AI-powered exposure management platform with 24/7 managed SOC services
Cybersecurity firm offering testing, incident response, and investigations
Polish MSSP offering 24/7 managed SOC services for IT infrastructure monitoring.
Cybersecurity consultancy providing VAPT services and compliance auditing
Federal cybersecurity & IT services firm offering security ops, RMF, and engineering.
Cybersecurity consulting firm offering VAPT, AppSec, cloud, and SOC services.
MSSP offering 24/7 managed security, network infrastructure, and professional services.
Texas-based MSP offering managed IT, cloud, and cybersecurity services.
Boutique firm offering penetration testing services and a PTaaS platform.
The 454 providers in this directory span six service categories. Each type has different strengths, pricing, and ideal customer fit. Use the cards below to match your need to the right service.
Managed Security Service Providers
Outsourced security operations: SIEM monitoring, firewall management, vulnerability scanning, basic threat response.
Managed Detection & Response
24/7 SOC analysts actively hunting threats and executing response actions, on the provider's tech stack.
Penetration Testing Companies
Simulated attacks to find vulnerabilities before real adversaries do, scoped to your assets.
Virtual / Fractional CISO
Fractional senior security leadership, typically 1–4 days/month, for strategy without a full-time hire.
IR Firms & Retainers
Specialists you engage when an attack is in progress, often pre-contracted via retainers for response-time SLAs.
GRC & Compliance Consultants
Design, implement, and maintain controls for SOC 2, ISO 27001, HIPAA, PCI DSS, FedRAMP, NIST CSF.
Match the service to the need
Common questions about finding cybersecurity service providers.
The directory includes 454 service providers across Managed Security Service Providers (MSSPs), Managed Detection and Response (MDR) firms, penetration testing companies, virtual CISO (vCISO) services, incident response teams, and compliance consultants covering SOC 2, ISO 27001, HIPAA, and PCI DSS.
An MSSP (Managed Security Service Provider) typically offers broad outsourced security operations including SIEM monitoring, firewall management, and compliance support. An MDR (Managed Detection and Response) provider specializes in 24/7 threat detection and active incident response, often with their own technology stack. MDR is more focused on detecting and stopping attacks; MSSPs offer wider but sometimes shallower coverage.
A virtual CISO (vCISO) is ideal for organizations that need senior security leadership but cannot justify a full-time hire. Common scenarios: companies under 500 employees, organizations preparing for SOC 2 or ISO 27001, businesses scaling rapidly, and teams needing board-level security reporting. A full-time CISO typically makes sense at 500+ employees or in highly regulated industries.
Penetration testing costs vary widely based on scope. Web application pen tests typically range from $5,000 to $25,000. Network pen tests range from $10,000 to $50,000+. Red team engagements can exceed $100,000. Pricing depends on attack surface size, depth (black box, gray box, white box), and reporting requirements. Always request scoped quotes from at least 3 providers.
Evaluate on five criteria: (1) Specialization match — MSSP, MDR, pentest, vCISO, IR, or compliance; (2) Certifications — SOC 2, ISO 27001, CREST, OSCP for individual testers; (3) Industry experience — healthcare, fintech, SaaS, government; (4) Geographic and language coverage; (5) Pricing model — retainer, project-based, or per-incident. Always check client references and request sample reports.
SaaS startups typically need a vCISO for strategic guidance, an MSSP or MDR for monitoring once they have meaningful customer data, and a penetration testing firm for annual compliance and customer assurance. Compliance consultants help with SOC 2 Type II, the most common framework for SaaS companies. Filter providers by service type to compare options.