ISO 27033 Lead Manager case studies
ISO 27033 Lead Manager · Put your knowledge to work in context.
The ISO/IEC 27033 Lead Manager credential is offered by PECB within its Cybersecurity Management training category, where ISO/IEC 27033 is listed alongside Cybersecurity Management, Cloud Security, Penetration Testing, SCADA, CMMC, and the NIS 2 Directive. The program addresses the ISO/IEC 27033 series, the international multi-part guidance on network security, and is aimed at professionals who design, govern, or oversee network security architecture rather than at pure hands-on configuration work. The ISO 27033 Lead Manager case studies are 5 cases and about 3,040 words.
1Merging Two Networks Under an Existing ISMS
Northwind Logistics has held ISO/IEC 27001 certification since 2021 and is acquiring a regional carrier with 600 staff and 11 depots. The combined estate spans 38 sites, an MPLS core, a new SD-WAN overlay and a legacy flat Layer 2 LAN at the acquired firm.
626 words, about 3 min2Staged Segmentation of a Flat OT Plant Network
Helios Foods runs a 24/7 plant with 1,100 OT assets, including 14 Windows XP HMIs, 9 PLC cells and 3 remote maintenance vendors with always-on VPN accounts. The plant network is a flat 10.0.0.0/16 shared with corporate IT; there is no asset inventory and the perimeter firewall is five years past end of support.
623 words, about 3 min3Monitoring Blind Spot After East-West Lateral Movement
MetroPay is a 600-person payment processor with two HA firewalls, 1 Gbps internet and NetFlow exported to a SIEM. The MSSP raises about 40 alerts per day, handled by two analysts.
626 words, about 3 min4Cloud VPC Treated as a Trusted Zone
OrbitHR, a 300-person HR SaaS provider, has migrated its flagship application to a single AWS VPC with a /16 CIDR. It has 42 security groups, 9 of which allow 0.0.0.0/0 to TCP 22 or 3389; no egress filtering; no WAF; and a Direct Connect to the head office.
579 words, about 3 min5Interconnecting an Acquired Firm with Overlapping Addresses
Vertex Systems is acquiring Nimbus Labs, an 80-person software firm whose network uses 10.0.0.0/8 internally, overlapping Vertex's own 10.10.0.0/16. Vertex wants immediate access for Nimbus staff to a file server in its core, and for 12 Vertex engineers to administer Nimbus build servers.
586 words, about 3 min