N3K-SEC-5Y

N3K-SEC-5Y Overview

N3K-SEC-5Y-NX-OS Security for XF Nexus 3K is a security software solution designed specifically for Cisco’s XF Nexus 3K switches, offering robust protection built into the native NX-OS environment. It is engineered to secure network infrastructures in enterprise settings while seamlessly integrating with a broad range of Cisco hardware.

This software falls under the Security category and is provided as a subscription license with a 5-year validity as indicated by its product code. It is delivered electronically via email with an online activation process and is compatible with the NX-OS platform used in Cisco’s network devices. The solution is ideally suited for enterprise use in IT management and network security, ensuring reliable performance for targeted devices.

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N3K-SEC-5Y Use Case

PCI-DSS Microsegmentation in a Global Financial Data Center

A multinational bank deploys N3K-SEC-5Y-NX-OS Security on its XF Nexus 3K fabric to enforce PCI-DSS microsegmentation between payment processing and analytics servers. Leveraging NX-OS Security’s granular ACLs and VXLAN controls, the bank isolates cardholder data traffic, blocks unauthorized lateral movement, and automates policy consistency across 10+ global sites. Benefit: Achieves real-time compliance validation, reduces breach surface by 85%, and accelerates audit readiness—all without performance degradation.

Zero-Trust Edge Security for Retail Store Networks

A national retail chain integrates N3K-SEC-5Y-NX-OS Security on XF Nexus 3K switches at store and warehouse edges to enforce zero-trust policies for IoT devices, POS terminals, and guest Wi-Fi. Using dynamic Secure Group Tags (SGTs) and TrustSec segmentation, the IT team automatically classifies and isolates devices, blocks unauthorized access, and maintains a single policy framework from HQ to 200+ locations. Benefit: Delivers 60% fewer security incidents, simplifies policy updates by 70%, and ensures consistent visitor privacy and PCI compliance.

Real-Time Threat Detection and Automated Response for Healthcare Networks

A large hospital network applies N3K-SEC-5Y-NX-OS Security on XF Nexus 3K switches to integrate with its SIEM and endpoint detection systems. By enabling IDS/IPS modules and NetFlow telemetry, the network team detects anomalous lateral movements to medical devices, triggers automated quarantine of compromised VLAN segments, and streams flow data to their SOC dashboard. Benefit: Improves mean time to detection by 50%, prevents ransomware propagation across clinical zones, and strengthens HIPAA compliance with continuous, policy-driven enforcement.