Kalpana Shanmugam@KalpanaShanmugam

NEXUSGUARD AI: TRANSFORMING SECURITY INCIDENT RESPONSE WITH AGENTIC AI The Problem: Security teams face overwhelming alert volumes daily. Manual investigation—correlating authentication, application, and network logs, plus threat intelligence—takes 4–8 hours per incident. In 2024, average breach detection-to-response is 275 days (IBM X-Force), costing $4.45M per breach (Ponemon). Manual processes are slow, error-prone, and leave organizations vulnerable. The Solution: NexusGuardAI is an agentic AI platform automating end-to-end security incident investigation and response via IBM watsonx Orchestrate. It deploys two AI agents: NexusGuard Commander (Investigation Agent) Correlates multi-source logs in real-time Analyzes user behavior to flag anomalies Calculates incident risk scores (Low/Medium/High/CRITICAL) Fetches real-time threat intelligence (CVE, threat feeds) Recommends targeted remediation NexusGuard Remediation Engine (Response Agent) Executes automated responses (account lockdown, token revocation) Sends alerts via SMS (Twilio) and Email (Gmail) Maintains audit trails for SOC 2/ISO 27001 compliance Impact: Response time: 4–8 hours → seconds 80% reduction in SOC manual workload Compliance-ready documentation Extensible architecture for enterprise integration Target Audience: Enterprise SOCs, MSSPs, and compliance-focused organizations in finance, healthcare, and government. Unique Value: Unlike traditional SOAR, NexusGuardAI leverages IBM watsonx Orchestrate’s no/low-code agentic framework for rapid deployment, lower costs, and seamless tool integration. Production-ready with mock data and extensible for real threat feeds, SIEMs, and ticketing systems. Technologies: IBM watsonx Orchestrate, Python, Twilio, Gmail API, Security data APIs. Proof-of-Concept: Dual-agent system deployed on watsonx Orchestrate, tested with realistic scenarios, ready for enterprise pilots.

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