Intermediate · Evening cohort

Network Security Foundations

Translate security policies into enforceable rules without locking yourself out. Covers management VLANs, SSH hardening, and baseline ACL patterns for SMB networks.

Duration: 7 weeks · Schedule: Thu 19:00 JST

¥85,000 informational

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Network Security Foundations

Features

  • ACL line-order workshops
  • Zone-based policy sketches
  • Jump host architecture patterns
  • Syslog correlation intro
  • Certificate pinning for device admin
  • Incident tabletop exercise

Outcomes

  • Draft ACL sets for 3 traffic profiles with explicit deny logging
  • Harden device management access per checklist
  • Participate in a 90-minute incident tabletop

Instructor

Raj Patel
Raj Patel

Security operations lead; former SOC tier-3.

FAQ

We focus on defensive configuration, not offensive tooling.

Reviews

"ACL ordering lab — finally understood why our guest rule never matched. Specific, not fluffy."

— Naomi, Security analyst