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Critical Start Tech Stack

MDR provider with contractual response SLAs and analyst-driven threat handling

Computer and Network Security Plano, Texas 201–500 employees Founded 2012 Privately Held

Critical Start operates a 24/7 managed detection and response service built around contractual SLAs (10-minute notification for critical alerts, 60-minute mean time to respond) rather than best-effort promises. The tech stack—Sentinel, Splunk, Sumo Logic, SentinelOne, CrowdStrike, Palo Alto Cortex XDR—reflects multi-layer detection across SIEM, EDR, and XDR. Hiring is support-heavy (11 roles) with senior-level staffing, matching the labor-intensive analyst model; the absence of adopting/replacing signals suggests infrastructure stability rather than active platform shifts.

Tech Stack 10 technologies

Core StackSplunk SentinelOne CrowdStrike Microsoft Sentinel Sumo Logic Microsoft Defender for Endpoint Azure Defender for Servers Palo Alto Cortex XDR Microsoft Defender Microsoft Purview

What Critical Start Is Building

◆Challenges

Reducing investigation time
Noise in alerts
Fewer escalations
Cutting through the noise
Faster response
Eliminating noise
Measurable risk reduction
High volume alerts
Evolving attacks threat landscape
Customer churn risk

▲Active Projects

Mobilesoc app
Ai-assisted triage
Content creation for mdr solutions
Multimedia assets for mdr
Technical briefs for mdr
Regional partner strategy development
Siem and edr/xdr implementation
Client configuration tasks
Managed services delivery
Quarterly business reviews

Hiring Activity

Steady20 roles · 7 in 30d

Department

Support

11

Sales

4

Security

3

Customer-Success

1

Engineering

1

HR

1

Marketing

1

Seniority

Senior

11

Manager

5

Mid

5

Director

1

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About Critical Start

Critical Start provides managed detection and response to mid-market security teams in the United States and India. The service centers on human-led threat response: a 24x7x365 SOC staffed by analysts who classify every alert, escalate genuine threats, and resolve false positives with full context. The company integrates with existing tools across endpoint (SentinelOne, CrowdStrike, Microsoft Defender), cloud (Azure Defender), identity (Microsoft Purview), and OT environments. A parallel Signal Assurance process identifies coverage gaps and blind spots. The business model trades scale for accountability—contractual SLAs and transparent decision logs replace high-volume alert feeds.

HeadquartersPlano, Texas

Company Size201–500 employees

Founded2012

Hiring MarketsUnited States, India

Frequently Asked Questions

What is Critical Start's response time SLA?

Critical Start guarantees 10-minute notification for critical alerts and 60-minute mean time to respond for all alerts. These are contractual commitments, not service-level goals.

What tech does Critical Start use for detection?

The platform integrates Microsoft Sentinel, Splunk, Sumo Logic, SentinelOne, CrowdStrike, Palo Alto Cortex XDR, Microsoft Defender, and Azure Defender across endpoint, cloud, identity, and OT layers.