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TACUNS

Cybersecurity Academy

Seven courses covering network security fundamentals, PAN-OS production troubleshooting, SOC operations, and threat intelligence — from first principles to TAC-level outage diagnosis.

Beginner5 Modules

Network Security Fundamentals

Core concepts of IP routing, switching, TCP/IP, and firewalling — the foundation every security engineer needs before going deeper.

  • Introduction to IP Networking
  • Subnetting and CIDR
  • Firewalls and ACLs
  • DNS and HTTP Traffic
  • Real-World Packet Analysis
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Intermediate5 Modules

Network Troubleshooting in Production

Real production network failures — BGP drops, MTU mismatches, spanning tree loops, DHCP exhaustion — and the debug sequences that find each root cause fast.

  • Routing Protocol Failures — BGP & OSPF
  • MTU & MSS Mismatches
  • Spanning Tree Loops & Broadcast Storms
  • DHCP Exhaustion & DNS Failures
  • QoS Misconfiguration & Interface Flapping
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Intermediate8 Modules

Firewall Mastery NGFW

Deep dive into next-generation firewalls — NAT, App-ID, URL filtering, VPN, and HA configuration with real-world production examples.

  • Introduction to NGFW & PAN-OS Architecture
  • Security Policies & Rulebase
  • NAT (Network Address Translation)
  • App-ID & Application Control
  • URL Filtering & Content Inspection
  • Threat Prevention
  • VPN Configuration
  • Logging, Monitoring & High Availability
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Advanced8 Modules

Firewall Production Outage Troubleshooting

The production outages that take down entire organizations — asymmetric routing, NAT hairpin, App-ID shifts, SSL decryption failures, and GlobalProtect. TAC debugging sequences, not theory.

  • The TAC Mental Model — How PAN-OS Processes Packets
  • Asymmetric Routing — Website Opens Intermittently
  • NAT Hairpinning — Outside Works, Inside Fails
  • App-ID Mid-Session Shift — Allowed Then Denied
  • SSL Decryption Breaking Applications
  • GlobalProtect Complete Failure
  • TAC Debugging Toolkit — Real Sequences
  • Prevention & Pre-Change Validation
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Beginner3 Modules

SOC Operations Basics

How real Security Operations Centers work — alert triage workflow, SIEM log analysis, PAN-OS log reading, and incident response from first alert to post-incident review.

  • SOC Structure & Real Alert Triage Workflow
  • SIEM Analysis — Reading Logs Like a SOC Analyst
  • Incident Response in Production
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Advanced4 Modules

Threat Intelligence

IoCs, TTPs, and MITRE ATT&CK in practice — understand how threat intelligence is structured, applied, and used in real detection and response workflows.

  • Introduction to Threat Intelligence
  • IoCs, TTPs & MITRE ATT&CK
  • Malware Analysis Fundamentals
  • Threat Hunting & Applying CTI
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Advanced4 Modules

Threat Intel Operations

How CTI teams actually operate — hypothesis-driven threat hunting, vulnerability prioritization with intelligence, false positive reduction, dark web monitoring, and TIP integration.

  • Threat Hunting Workflow — Hunting Before the Alert Fires
  • CTI for Vulnerability Prioritization & Outbound Investigation
  • Alert Correlation & Reducing False Positives
  • Dark Web Monitoring & CTI Platforms in Operational Use
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PAN-OS is a registered trademark of Palo Alto Networks, Inc. Course content on this platform is independently created for educational purposes and is not affiliated with, endorsed by, or sponsored by Palo Alto Networks, Inc. or any other third-party vendor mentioned.