Nuspire (PDI Security) vs ReliaQuest: MDR Comparison 2026
Nuspire (PDI Security) (Services firm) and ReliaQuest (Pure-play MDR) take different approaches to managed detection and response. Nuspire (PDI Security) works with your existing tools, while ReliaQuest works with your existing tools. Nuspire (PDI Security) targets SMB, Mid-market, and Enterprise organizations; ReliaQuest focuses on Mid-market and Enterprise. Nuspire (PDI Security) includes 5 attack surfaces in base pricing (Endpoint, Cloud, SaaS, Identity, Network), compared to 6 for ReliaQuest (Endpoint, Cloud, SaaS, Identity, Network, OT/ICS).
Key Differences at a Glance
Winner by Category
Nuspire (PDI Security) vs ReliaQuest: Which Should You Choose?
Choose Nuspire (PDI Security) if:
- •Convenience stores, automotive dealerships, QSRs, and specialty retail (PDI's core verticals)
- •SMB/mid-market organizations wanting technology-agnostic MDR with existing Carbon Black, SentinelOne, or Cybereason EDR
- •Organizations valuing mobile app access for incident management and AI-powered threat hunting
Choose ReliaQuest if:
- •Large enterprises with complex multi-vendor security stacks
- •Organizations wanting to keep existing SIEM/EDR investments
- •Security teams needing AI-driven automation at scale
- •You need OT/ICS coverage included in base pricing
- •You want direct Slack integration with your SOC
Bottom line: Nuspire (PDI Security) (Services firm) and ReliaQuest (Pure-play MDR) serve different buyer profiles. Your decision depends on whether you prioritize Nuspire (PDI Security)'s 25+ year mssp veteran now operating as pdi security & network solutions or ReliaQuest's strong fit for enterprises wanting to unify and automate across their existing multi-vendor secur....
Frequently Asked Questions
What is the main difference between Nuspire (PDI Security) and ReliaQuest?
Nuspire (PDI Security) is a Services firm that is technology-agnostic (works with your existing tools). ReliaQuest is a Pure-play MDR that is technology-agnostic (works with your existing tools). SLA commitments differ: Nuspire (PDI Security) offers Not disclosed, ReliaQuest offers ≤15 minutes. Nuspire (PDI Security) covers 5 attack surfaces in base pricing vs. 6 for ReliaQuest.
How do Nuspire (PDI Security) and ReliaQuest differ in response capabilities?
Nuspire (PDI Security) supports 3 autonomous actions (endpoint isolation, process termination, file quarantine) and approval is configurable. ReliaQuest supports 6 autonomous actions (endpoint isolation, process termination, network containment, account disable, file quarantine, custom playbooks) and approval is configurable. Incident response is not included with Nuspire (PDI Security) and included with ReliaQuest.
How does Nuspire (PDI Security) pricing compare to ReliaQuest?
Nuspire (PDI Security) pricing: Not available. ReliaQuest pricing: $172,500 average annual; up to $1,200,000 for large deployments. $5,000 per additional integrated technology.. Watch for with Nuspire (PDI Security): Brand transition to PDI Security & Network Solutions completed — Nuspire brand effectively retired; nuspire.com redirects to security.pditechnologies.com — all new branding under PDI. Watch for with ReliaQuest: High minimum contract value (enterprise-focused); Additional technology integrations add cost quickly.
Should I choose Nuspire (PDI Security) or ReliaQuest?
Choose Nuspire (PDI Security) if: convenience stores, automotive dealerships, QSRs, and specialty retail (PDI's core verticals). Choose ReliaQuest if: large enterprises with complex multi-vendor security stacks. Nuspire (PDI Security) is not ideal for organizations wanting independently validated detection metrics (no published MTTD/MTTR). ReliaQuest is not ideal for sMBs with limited security budgets.