I. 5-Level Service Matching Support System

• Level 1 – Security Assessment: Zero-Risk Service
  • Vulnerability closure: 3 remote repair guides post-report, critical fixes within 48h
  • Compliance guidance: self-checklist + quarterly follow-up (Basic Edition)
  • Dynamic asset mapping: free exposure scans every 6 months (Advanced Edition)
• Level 2 – Intelligent Defense: Centralized Stewardship
  • AI Brain O&M: 24/7 log analysis, 90% alert noise reduction, strategy tuning
  • Automated response hosting: 100+ playbooks for ransomware, phishing, MTTR ≤ 5min
  • Monthly security health reports + online interpretation sessions
• Level 3 – Supply Chain Security: Ecosystem Risk Control
  • Quarterly vendor scoring, immediate alerts for risks (e.g., expired certs)
  • Biannual API audit with remediation suggestions
  • Weekly supply chain threat intelligence push
• Level 4 – Resilience Defense: Offensive-Defensive Hosting
  • Honeypot ops: TTP reports with C2 addresses, tool fingerprints
  • Backup drills: monthly ransomware simulations, RPO ≤ 15min / RTO ≤ 30min
  • Threat countermeasures: legal tracing, ISP reporting, risk assessment report
• Level 5 – Real-Combat Training: Elite Hardening
  • Sandbox access: updated monthly with 10+ real-world APT scenarios
  • Quarterly red team simulations to sharpen blue team response
  • Skill certification: SOC/threat analysts training & exams

II. Core Capabilities

• Three-Tier Response Model

  Service Tier	Core Support	Method
  AI Self-Service	Configuration FAQs	Knowledge base + Voice bot
  Cloud Expert	System issues	Screen sharing + AR remote assist
  Onsite Escort	Hardware failures	Local partner dispatch

• Data-Driven Evolution
  • Self-learning knowledge base: smarter AI answers over time
  • Adaptive defense: AI updates rules weekly via shared threat intel
  • Security maturity scoring: quantifies quarterly improvements
• Lightweight Subscription Options

  Package	Coverage	Support Mode
  Basic Guard	AI monitoring, remote support, quarterly reports	Online
  Advanced Shield	Monthly site visits, emergency response	Hybrid (Online + Onsite)
  Enterprise Custom	24/7 onsite, SLA guarantee, custom training	Fully managed

III. Delivery Components

• Visualization Tools
  • Security dashboard: risk map, threat trends, defense outcomes (Level 2)
  • Threat hunting console: attacker profiles, chain restoration, intel linking (Level 4)
• Standardized Reports
  • Risk Heatmap + Fix Roadmap (Level 1)
  • Defense Efficiency Report incl. alert suppression & automation rate (Level 2)
  • Supply Chain Risk Map (Level 3)
  • Honeypot Countermeasure Report (Level 4)
  • Red-Blue Capability Radar (Level 5)
• Evolution Docs
  • Quarterly “Defense Optimization Guide”
  • Annual “Security Capability White Paper” tracking service level growth

IV. Customer Success Commitment

• Service Commitments
  • AI Resolution ≥ 65% for common issues
  • Zero high-risk vulnerability misses leading to data leaks
  • Business continuity SLA: RTO ≤ 30min for Level 4+
• Ecological Support
  • Partnered with 30+ vendors for tuning (e.g., AI-firewall synergy)
  • Bug bounty hosting via Butian/VulBox
  • Help clients link to national intel platforms (e.g., CNCERT)

NEXCORE’s after-sales is not a one-time delivery, but a full-cycle “Assessment – Build – Operate – Optimize” loop that grows with your business. From startups to enterprise-grade defenses, every level of service is supported by a matched after-sales system, ensuring that your security investment transforms into measurable business resilience.