HKCERT Incident Response Cycle

Click the phases to learn what happens in each step.

🛡️ 1. Preparation
🔍 2. Detection
🧯 3. Containment
📝 4. Post-Incident

Before the fire starts.

This is what you do every day: Backups, installing Antivirus, and keeping a contact list of who to call (HKCERT/IT).

Smelling smoke.

Recognizing the signs. Distinguishing between a "Precursor" (Warning) and an "Indicator" (Attack happening).

Stopping the fire.

First Aid Phase: Unplug the cable. Do NOT reboot. Isolate the machine to save the network.

Rebuilding.

Learning lessons. Writing a report. Improving defenses so it doesn't happen again.

Detective: Warning or Attack?

HKCERT says you must distinguish signs. Categorize the item below.

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Precursor
(A sign it MIGHT happen)
Indicator
(It IS happening)

Containment Drill: Isolate the Host

Scenario: Ransomware is spreading to the company server! Stop it!

Goal: Choose the correct cable to cut the connection.

💻 ➡️ ☁️
System Idle
🔌 Power Cable
🌐 Network Cable

Call for Help

Dial the HKCERT 24-Hour Hotline number to complete the level.

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📞 CALL
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