• about me
  • software
  • research
  • Building an ICS/OT cyber range 2026.04.07
  • OT physical layer: UART & RS-485 2026.04.18
  • Modbus RTU: protocol & setup 2026.04.19
  • Siemens S7-1200: teardown/layout 2026.04.25
  • PLC scan jitter & timer drift 2026.04.26
  • SPI & I2C: hardware interfaces 2026.05.14
  • Logic analyzer: digital decoding 2026.05.25
  • Building a LoRa 433 MHz RF link 2026.06.07
  • OT signals: 24V, 3.3V & 4-20mA 2026.06.10
  • Building an OT hardware implant 2026.07.04
  • Evolving OT hardware implants 2026.07.09
  • Detecting OT hardware implants 2026.07.12

Research in progress.