Advanced Security Platform

Protect Yourself
From Everything
They Won’t Tell You About

Pre-execution QR security. Hidden camera detection. Stingray countermeasures. AirTag tracking alerts. Forensic evidence chain. All from your phone.

44+
Detection Features
7
Radar Layers
14
Threat Categories
$0
Hardware Required
Core Platform

One App. Total Security.

Built from a real-world surveillance investigation. Every feature was designed to solve an actual threat.

📷
Pre-Execution QR & URL Security
Every other QR scanner opens the URL first — then warns you. THRDi Shield analyzes the payload BEFORE any network connection. Pattern matching, SSL verification, and threat scoring all happen pre-click.
Core Technology
📡
Stingray / IMSI Detection
Detects fake cell towers intercepting your calls and data. First browser-based consumer detector.
Advanced Detection
🏷️
AirTag & Tracker Detection
Detects Apple AirTags, Tile, SmartTag, GPS trackers — even when they rotate their identifier.
Tracking Defense
🔊
uXDT Kill Switch
11 oscillators 17–22.5kHz destroy mic AGC circuits of listening devices. Every activation logged.
Active Countermeasure
☠️
Multi-Method Kill Switch
Network flood, ultrasonic overload, and BLE disruption simultaneously. All actions WORM logged.
⛓️
SHA-256 WORM Audit Chain
Every detection event is appended to a cryptographic hash chain. Each block references the previous — tamper-evident, GPS-tagged, timestamped, and suitable for legal proceedings.
Forensic Evidence
Pricing

Simple, Transparent Pricing

All sales are final.

🛡️
Shield Free
$0
Forever free
Quick Scan, Hidden Device Detection, QR Verification
Get Started →
Most Popular
🏠
Consumer
$0/mo
Environment scan, Area Radar, Logs, basic Kill Switch
Get Consumer →
🏢
Enterprise
$0/mo
Full Security & Encrypt suite, AdBlock, DataFog, GeoFence
Get Enterprise →
👑
Elite
$0/mo
Ticket Generator, Full Kill Sequence, 24/7 RF Blocker
Get Elite →

All sales are final • Secure checkout • Instant delivery

Results

Real Results From Real Users

★★★★★

“Found an RF anomaly in our Airbnb on the first scan. The evidence report gave us everything we needed.”

✈️
Marcus T.
Frequent Traveler
★★★★★

“THRDi Shield is part of every property inspection. The audit chain gives me legal documentation.”

🏢
Sarah K.
Property Manager
★★★★★

“Pre-execution QR scanning alone is worth it. Blocked three phishing attempts in the first week.”

🛡️
James W.
Corporate Security
FAQ

Common Questions

How does THRDi Shield work?
THRDi Shield is a Progressive Web App (PWA). Visit the URL in Safari or Chrome, tap Add to Home Screen. It installs as a full-screen app with camera, Bluetooth, GPS, and push notification access.
Does it detect hidden cameras?
Yes — using RF anomaly detection, WiFi SSID pattern matching, EMF magnetometer anomalies, ultrasonic sweep, and lens retroreflection via camera flash. Six layers simultaneously.
What is a Stingray?
A Stingray is a fake cell tower that intercepts your calls, texts, and data without your knowledge. THRDi Shield detects them via 2G downgrade, RTT latency spikes, and timing jitter analysis.
What is the forensic audit chain?
A SHA-256 cryptographic hash chain where each block references the previous. Every detection event is permanently recorded, GPS-tagged, and timestamped. Tamper-evident and suitable for legal proceedings.
What is your sales policy?
All sales are final. THRDi Shield is a security service. Contact support@thrdi.com with any billing questions.

You Know Now.
Get Protected.

No hardware required. Installs in 3 minutes. All sales are final.

Get Started Free → Contact Sales