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Little Hakr Newsletter

An exclusive newsletter exploring cybersecurity, ethical hacking, and the tech projects you probably shouldn't try at home.

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Little Hakr

ESP32-Key: Build A Passkey Lab You Can Hold

How to make your own hardware security key for browser auth without using a password.

David Kyazze

Jun 13, 2026

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5 min read

Make a Tiny Lab for NFC, GPS and WiFi

A hands-on guide to turning NFC, WiFi, Bluetooth, GPS, and an ESP32 into a pocket-sized learning lab.

David Kyazze

May 20, 2026

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4 min read

Build An Off-Grid Mesh Chat

How to make an ESP32 communication device for under $10.

David Kyazze

clawdbot

My OpenClaw Stole Everything: The Hype vs. The Hostile Takeover

Feb 2, 2026

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11 min read

My OpenClaw Stole Everything: The Hype vs. The Hostile Takeover

Why your “sovereign AI” is currently broadcasting your API keys and executing shell commands for anyone with a crafted MoltBook post.

David Kyazze

NVIDIA’s “Physical AI” Pivot at CES 2026

Jan 16, 2026

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6 min read

NVIDIA’s “Physical AI” Pivot at CES 2026

The move from cloud-only AI to hybrid local reasoning.

David Kyazze

cybersecurity

The New Attack Surface: What Security Researchers Need to Know About AI-Integrated PDF Workflows

Dec 17, 2025

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11 min read

The New Attack Surface: What Security Researchers Need to Know About AI-Integrated PDF Workflows

Adobe’s ChatGPT integration represents a milestone in AI accessibility, and a wake-up call for security teams

David Kyazze

nano banana

AI-Powered Phishing Is Having Its Black Friday Moment

Dec 1, 2025

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8 min read

AI-Powered Phishing Is Having Its Black Friday Moment

Why the 620% surge in holiday-themed attacks is a warning shot for every tech team in 2025

David Kyazze

The Deepfake Era Is Here: How AI Images Are Breaking Online Trust

Nov 23, 2025

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13 min read

The Deepfake Era Is Here: How AI Images Are Breaking Online Trust

Nano Banana Pro, synthetic media scams, and why “seeing is believing” just died

David Kyazze

cybersecurity

When AI Goes Rogue: Inside the Claude Cyberattack That Just Rewrote the Rules of Security

Nov 17, 2025

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14 min read

When AI Goes Rogue: Inside the Claude Cyberattack That Just Rewrote the Rules of Security

The first real AI-driven cyberattack just landed. Here’s what it means for your company, your data, and the future of defense. Also, a tool I developed that could be your new cybersecurity employee.

David Kyazze

Archive

ESP32-Key: Build A Passkey Lab You Can Hold

Make a Tiny Lab for NFC, GPS and WiFi

Build An Off-Grid Mesh Chat

My OpenClaw Stole Everything: The Hype vs. The Hostile Takeover

NVIDIA’s “Physical AI” Pivot at CES 2026

The New Attack Surface: What Security Researchers Need to Know About AI-Integrated PDF Workflows

AI-Powered Phishing Is Having Its Black Friday Moment

The Deepfake Era Is Here: How AI Images Are Breaking Online Trust

When AI Goes Rogue: Inside the Claude Cyberattack That Just Rewrote the Rules of Security

Little Hakr Newsletter