CCIE Security case studies
CCIE Security · Put your knowledge to work in context.
The CCIE Security credential is a professional-level certification offered by Cisco that validates advanced expertise in designing, implementing, and troubleshooting secure network infrastructures. It is intended for experienced security engineers, network architects, and consultants who work with Cisco security technologies and want to demonstrate their ability to handle complex security challenges. The exam covers five key domains: Network Security, Cloud Security, Content Security, Endpoint Security, and Identity and Access Management, each weighted at 20% of the total. This balanced structure ensures candidates possess a broad understanding of security principles across various environments, from on-premises networks to cloud-based services. The CCIE Security case studies are 5 cases and about 3,040 words.
1TLS Decryption Load and HA Convergence at a Data-Center Egress
A global manufacturer runs a pair of Cisco Secure Firewall 3100 appliances in active/standby HA at its primary data-center egress. Peak throughput is 18 Gbps with 35,000 new TLS connections per second and 2.1 million concurrent sessions.
701 words, about 4 min2Microsegmentation for PCI Workloads with Agentless Appliances
A retailer has 1,200 workloads: 600 on VMware, 450 in AWS across 18 VPCs, and 150 in Azure. PCI cardholder data sits in a database subnet that currently accepts TCP 3306 from the entire 10.0.0.0/16 internal range.
624 words, about 3 min3Selective TLS Inspection and Guest Bypass in a Umbrella SIG Migration
A university with 7,500 staff and 22 branch sites uses a hub-and-spoke MPLS network. It is replacing an on-prem web proxy with Cisco Umbrella SIG.
618 words, about 3 min4Endpoint Protection Rollout, Exclusions, and Offline Endpoints
A hospital system has 14,000 Windows endpoints, 2,500 macOS devices, and 800 Windows servers. It is replacing legacy AV with Cisco Secure Endpoint.
543 words, about 3 min5ISE Certificate Authentication and Contractor Onboarding After an Azure AD Migration
A financial services firm has 25,000 employees and 8,000 contractors. Cisco ISE handles 802.1X for wired and wireless, guest access, and VPN posture.
554 words, about 3 min