Here's an exciting opportunity for cybersecurity enthusiasts! πŸš€

Google Cloud Security is hosting a special Capture The Flag (CTF) challenge in partnership with Hack The Box, called Operation Cymbal: Cold Room.

The event challenges participants to investigate a fictional company's security breaches using Google Security Operations and reconstruct what happened during the attacks.

And the best part? There are prizes, potential professional certification exam vouchers, CPE credits, and exclusive merchandise up for grabs!

πŸ›‘οΈ What Is Operation Cymbal: Cold Room?

Operation Cymbal: Cold Room is a cybersecurity Capture The Flag event hosted by Hack The Box in partnership with Google Cloud Security.

The scenario begins with Cymbal Investments, a fictional company that has collapsed after three seemingly unrelated security breaches.

Its environment is sealed inside a virtual "Cold Room," and participants must investigate the evidence to reconstruct the attacks.

Your mission is to:

πŸ” Investigate security events and digital evidence.

πŸ›‘οΈ Explore Google Security Operations.

🧩 Reconstruct attacker activity.

πŸ•΅οΈ Connect the different stages of the intrusions.

πŸ“Š Prepare defensible findings based on your investigation.

🏁 Complete the CTF challenge before competing investigators.

This is an opportunity to explore security operations and incident investigation through a hands-on challenge.

🎁 What Can You Win?

The event lists several rewards and benefits.

Reward

Details

🎁 Exclusive swag

Limited-edition Google Cloud Security + Hack The Box merchandise

πŸŽ’ Google Cloud Security goodies

Backpacks, speakers, and more

πŸ† Competition prizes

The first 25 investigators to finish the challenge win prizes

πŸŽ“ Exam vouchers

Professional Security Operations Engineer exam vouchers

πŸ“œ CPE credits

Available to eligible participants who attend the workshop and compete in the CTF

Remember: The event description does not guarantee that every attendee will receive physical merchandise or an exam voucher. Some rewards depend on completing the challenge, eligibility, or other event conditions.

πŸ“… Event Dates and Timings

Here are the key details you should know before participating.

Detail

Information

Event

Operation Cymbal: Cold Room

Organizer

Google Cloud Security Γ— Hack The Box

Format

Virtual event

Start

Thursday, October 29, 2026, 9:30 PM IST

End

Sunday, November 1, 2026, 9:30 PM IST

Challenge duration

72 hours

Registration deadline

October 22, 2026

Competition prizes

First 25 investigators to finish

⚠️ Registration closes on October 22, 2026. The deadline is today, so check the official event page immediately to see whether registration is still available.

The event is scheduled to run over 72 hours, giving participants time to investigate and complete the challenge.

πŸš€ How to Participate

Step 1: Open the Official Event Page

Visit the Google Cloud Security Community website and locate Community Capture The Flag with Hack The Box – Operation Cymbal: Cold Room.

Read the event details and check whether registration is still open.

Step 2: Register for the Event

Complete the registration process using the official event page.

Registration is limited, so submitting a registration does not necessarily mean your attendance is approved.

Step 3: Wait for Approval

According to the event description, approved attendees will receive an email containing their Hack The Box event passcode.

Keep an eye on your inbox and spam folder.

Step 4: Join the Virtual Event

Follow the instructions provided by the organizers.

Instructions for accessing the Google Security Operations environment will be shared on the day of the event.

Step 5: Learn the Platform

The event begins with a review of key Google SecOps features and guidance on using the Hack The Box platform.

Pay attention to the instructions and hints.

Step 6: Investigate the Challenge

Work through the available evidence, reconstruct the attack activity, and complete the CTF objectives.

The first 25 investigators to finish are eligible for the advertised competition prizes.

Step 7: Attend the Full Event

The event description says attending the full duration provides challenge hints and a chance to win exclusive Google Cloud Security and Hack The Box swag.

Make sure you read the official rules for attendance and reward eligibility.

πŸ’» What Skills Do You Need?

This event is particularly relevant to people interested in:

πŸ” Cybersecurity

πŸ›‘οΈ Security Operations Centers (SOC)

πŸ” Threat hunting

πŸ•΅οΈ Digital forensics

πŸ“Š Security log analysis

🚨 Incident response

🧩 Capture The Flag competitions

☁️ Google Cloud Security

You don't need to assume that you already know everything about Google SecOps. The event includes an introduction to important platform features.

However, a basic understanding of cybersecurity, network activity, logs, and incident investigation can help you get more out of the challenge.

πŸ† How to Improve Your Chances of Winning

Want to compete for the prizes? Here are some practical tips.

  1. Read the Instructions Carefully

Understand the scenario, objectives, and platform before jumping into the investigation.

  1. Take Organized Notes

Record suspicious activity, timestamps, indicators, and relationships between events.

  1. Build a Timeline

Reconstructing attacker activity in chronological order can help you understand how the breaches connect.

  1. Use Evidence

Avoid guessing. Base your findings on the information available in the challenge.

  1. Manage Your Time

The challenge runs for 72 hours, but the first 25 finishers receive the advertised competition prizes. Plan your time accordingly.

  1. Follow the Rules

Use only the provided challenge environment and authorized resources. Don't attempt to access systems outside the event scope.

⚠️ Important Things to Remember

Before registering, keep these points in mind:

Registration is limited.

The registration deadline is October 22, 2026.

Approval is required to receive the Hack The Box event passcode.

The Google SecOps access instructions will be shared on the event day.

The first 25 investigators to finish win competition prizes.

Attending the full event gives you a chance to win exclusive swag, not a guarantee of merchandise.

CPE credits require attendance at the workshop and participation in the CTF, according to the event description.

Exam vouchers and physical rewards may be subject to additional eligibility conditions.

🎯 Who Should Participate?

This event could be a great fit for:

Cybersecurity students

SOC analysts and aspiring security analysts

Cloud security enthusiasts

Ethical hacking learners

CTF players

Digital forensics enthusiasts

IT professionals interested in security operations

Even if your main interest is cloud computing, this challenge can help you explore how security teams investigate incidents and analyze evidence.

🏁 Final Verdict

Operation Cymbal: Cold Room combines cybersecurity investigation, Google Security Operations, Hack The Box challenges, and exciting rewards in one virtual event.

You can sharpen your investigation skills, compete against other participants, earn eligible CPE credits, and get a chance to win exclusive merchandise.

πŸ”₯ Quick Recap

Event: Operation Cymbal: Cold Room

Hosted by: Google Cloud Security Γ— Hack The Box

Registration deadline: October 22, 2026

Event dates: October 29 – November 1, 2026

Duration: 72 hours

Competition prizes: First 25 finishers

Swag: Chance to win exclusive Google Cloud Security and Hack The Box goodies

🚨 Don't wait! Check the official event page today because the stated registration deadline is October 22, 2026.

If you're passionate about cybersecurity, this is an opportunity worth exploring.

Investigate. Analyze. Capture the flags. Win rewards! πŸ›‘οΈπŸŽ

πŸ”— Official Event Page

Register and verify the latest eligibility and reward conditions through the Google Cloud Security Community event page.

For more cybersecurity challenges, Google Cloud opportunities, hackathons, developer programs, and tech goodies, follow Btecky. πŸš€

Link: https://security.googlecloudcommunity.com/events/community-capture-the-flag-with-hack-the-box-operation-cymbal-cold-room-141?utmsource=gcs&utmmedium=email&utmcampaign=STO10000055&utmcontent=community&utm_term=-