Jacy Hernandez

Tier 2 Soc Noc Analyst @Infosight, Inc

Miami, FL, US

Engineered Microsoft Sentinel KQL detections for phishing campaigns, bad-IP spikes, and anomalous sign-ins, improving SOC triage efficiency and signal quality.• Implemented application-aware policies on Palo Alto (PAN-OS) and SonicWall; executed Change Advisory Board (CAB) approved changes with pre/post validation; used traceroute and traffic analysis to quickly isolate and fix issues.• Led Azure cloud networking upgrade: migrated Public IPs from Basic to Standard SKU; ran executive briefings and change/risk management to deliver a zero-downtime, deadline-compliant cutover.• Led Azure (Microsoft Entra ID) Portal MFA migration, enforcing compliance best practices; delivered 100% coverage, zero downtime, and audit-ready reporting.• Operationalized SentinelOne EDR for rapid triage, IOC hunting, network isolation, and automated remediation to remove malicious artifacts and restore endpoints to compliance.• Leverage AWS Cloud security (AWS GuardDuty) to detect Amazon EC2 PortSweep and correlated VPC Flow Logs with Palo Alto Panorama to validate reconnaissance and drive triage and containment.• Built USM Anywhere (AlienVault) alarm rules for Medusa ransomware IoCs, including suppression tuning, to reduce false positives and accelerate containment.• Analyze email headers to identify phishing/spoofing; enforced domain/sender blocks via Exchange Online mail flow rules and Defender for Office 365 Tenant Allow/Block List.

Western Governors University

Bachelor's degree, Cybersecurity and Information Assurance