Developing a Local Logging System With Circular Buffers to Track Security Events on Arduino Devices
Using circular buffers in SRAM, unlock seamless 120 Hz security logging on Arduino—discover how to prevent overflow and maintain precision.
Using Uptime Monitoring With Heartbeat Signals to Detect and Auto-Recover Unresponsive Iot Nodes
Connect your IoT nodes to stay alive—missed heartbeats trigger silent reboots, but only if you secure the signal just right.
Building a Hardware-Based Random Number Generator for Stronger Cryptographic Key Creation on AVR
Tiny components, massive security: harnessing natural noise in an ATtiny45 to generate unbreakable crypto keys—see how it works.
Implementing Perfect Forward Secrecy in DTLS Connections for Secure Sensor-to-Gateway Links
New security standards demand ephemeral keys—discover how ECDHE in DTLS safeguards sensor data even if long-term keys are compromised.
Monitoring Network Anomalies in Real-Time Using ESP32 and Promiscuous Mode Packet Sniffing
Getting inside your network’s invisible traffic reveals hidden devices—see how an ESP32 uncovers what shouldn’t be there.
Hardening Arduino Web Interfaces Against CSRF and XSS Attacks With Token Validation and Sanitization
One overlooked step leaves your Arduino exposed—discover how token validation and sanitization block attacks before they strike.
Creating a Firewall Rule Set for ESP32-Based Devices Using lwIP Packet Filtering
Using lwIP’s data link layer, uncover how to build a firewall on ESP32 that stops threats before they reach the IP stack.
Using Elliptic Curve Cryptography (ECC) for Lightweight Device Identity in Low-Power Sensor Nodes
Using ECC with 256-bit Binary Edwards Curves, ultra-low-power sensors gain unbreakable identity in under 1,400 FPGA slices—discover how your next build can do more with less.
Deploying a Local DNS Server With Pi-Hole and DHCP to Monitor and Filter Iot Device Traffic
Connecting your IoT devices through a Pi-Hole DNS server reveals hidden tracking—but can you truly control what they’re secretly phoning home to? The answer lies in how you configure DHCP and traffic interception.
Building a Secure Bootloader for Arduino-Compatible MCUs to Prevent Unauthorized Firmware Flashing
I secured my Arduino-compatible MCU with a tamper-proof bootloader—discover how to prevent unauthorized firmware flashing and ensure only trusted updates run.
