Payatu Masterclass

Go from curious to capable, one lesson at a time.

Self-paced masterclasses written and recorded by Payatu's own researchers: the same people who test IoT devices, web apps, products, and mobile apps on live engagements. Free, and built to be worked through, not watched.
The masterclasses

Choose the skill. Follow the path.

Each course walks one skill from fundamentals to advanced use. Work through in order, or jump straight to the part you need this week.
IoT Security
Abstract gradient background with dark brown, orange, and blue colors blending diagonally.

IoT Security Masterclass

Start at IoT fundamentals, finish reading firmware, and analysing radio. The complete path to a working IoT security skill.

6
Parts
21
Lessons
~4
Hours
1.  IoT Fundamentals & Architecture
2.  Protocols & Communication
3.  Hardware & Firmware Security
4.  Radio & Signal Analysis
5.  Advanced Attack Techniques
6.  Real-world & Compliance
Start Learning
White arrow pointing diagonally upward to the right on a black square background.Dark gray arrow pointing to the right on a transparent background.
Free
Self paced
Mobile | Android

React Native Pentesting

Everything between installing the tools and finding your first real React Native vulnerability, laid out as one sequenced course.

1
Part
7
Lessons
~1
Hour
1.  React Native & the Android target
2.  Setting up the test environment
3.  Static analysis of the bundle
4.  Dynamic analysis & interception
5.  Common vulnerabilities & fixes
Start Learning
White arrow pointing diagonally upward to the right on a black square background.Dark gray arrow pointing to the right on a transparent background.
Free
Self paced
Why Payatu Masterclass

Depth you can trust

Icon with a red circle at the bottom connected by horizontal lines with black dots, featuring a two-headed vertical arrow pointing up and down in the center.

In-depth, not surface

Each masterclass is a comprehensive path from foundational concepts to advanced techniques - step by step, nothing skipped.
Icon of a person standing behind a podium with a microphone and a red circle on the podium front.

Built by practitioners

Written by Payatu's researchers - the people who find the bugs and publish the CVEs, not a generic content team.
Black gear icon with wavy outline and central circle, featuring a red dot on the left and a check mark at the lower right.

Practical & real-world

Grounded in real scenarios and hands-on techniques you can apply immediately - and it's completely free.
Dark scene with vertical thin orange lines resembling distant illuminated bars or streaks against a black background and a faint horizontal red glow near the bottom.

Want this training for your whole team?

Beyond the free courses, Payatu runs hands-on trainings for engineering and security teams. Tell us what you want them to learn

Request a training
White arrow pointing diagonally upward to the right on a black square background.White arrow pointing diagonally upward to the right on a black square background.White arrow pointing diagonally upward to the right on a black square background.
Black downward arrow on a white background.Black downward arrow on a white background.
This is the default text value
White arrow pointing downward on a dark background.White arrow pointing downward on a dark background.
This is the default text value
White arrow pointing downward on a dark background.White arrow pointing downward on a dark background.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.