Protect your family, your company, and your data from the dark web.
City of Hats is a dark web monitoring assistant that lives inside LINE. Check if your email, passwords, and personal data are leaked — in a simple chat.
Available for:
Point your camera to scan
Available on LINE
Get Started in Seconds
Scan the QR code to add our City of Hats AI Bot on LINE. Start protecting your personal information instantly—no app download needed.
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800+
data breaches happen every year
$52B+
identity theft costs globally
80%
of people never know their data was leaked
15B+
leaked credentials on dark web
Who is City of Hats for?
From families to enterprises, we help everyone stay safe from dark web threats.
Families
- Check if family emails & passwords were leaked
- Protect kids, parents, and loved ones
- Simple alerts in LINE, no technical skills
Enterprise
- Detect leaked employee credentials
- Protect internal apps & SaaS logins
- Dark web intelligence without a full security team
Government
- Protect citizen data & public systems
- Detect exposed officials and staff accounts
- Support PDPA & national cybersecurity programs
Healthcare
- Protect patient records & hospital systems
- Early warning for ransomware and leaked accounts
- Support PDPA / HIPAA-style compliance
How it works in 3 simple steps
Add us on LINE
Scan the QR code or tap the button to open our official LINE bot.
Enter your email
Tell us which email or identifier you want to monitor for breaches.
Get dark web alerts
We check breach databases and notify you if we find your data.
What You Can Search & Monitor
22+ easy-to-use tools to check if your personal information has been exposed and to understand what it means.
Identity Checks
6 tools availableContact & Social
4 tools availableOnline & Records
6 tools availableScanning & Security
5 tools availablePower Search
Advanced multi-field searchCombine multiple search fields at once—cross-reference emails, names, phone numbers, and more in a single query. Great for thorough check-ups or when you want to see everything in one view.
* Some tools require additional verification or are available on specific plans.
For Individuals
For Families
Protect the people you love. See if your family is in data breaches and get simple steps to stay safe.
View Family ProtectionFor Organizations
For Business & Government
Protect your employees, citizens, or patients. Dark web alerts for enterprises, governments, and healthcare providers.
View Enterprise SolutionsBecome a City of Hats Partner
Earn rewards by helping families and organizations protect their data. We give you a unique LINE QR code — every time someone signs up from your code, you earn.
Earn per signup
$0.50 USD
per verified Basic plan signup
Your Unique QR Code
Share it with your audience and earn rewards for every signup.
Why City of Hats?
LINE-first
Built for Asia's favorite messaging app. No new app to install — just chat.
Multi-language
English, Thai, Japanese, Chinese (Taiwan), and Indonesian support.
OSINT-only & PDPA-friendly
We only use legally accessible breach data and user-initiated checks.
Designed for normal people
No dashboards, no complex tools — just simple chat conversations.
Scales to enterprise
From one family to thousands of employees, governments, and hospitals.
Real-time intelligence
Continuous scanning with instant alerts when new breaches are detected.
Privacy & Compliance
Your information is encrypted in transit and at rest. We never sell or share your personal data.
All checks follow international privacy regulations and data-protection best practices.
Ready to see if your data is on the dark web?
Join thousands of families and organizations protecting themselves with City of Hats.