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harrisonsand.com

Recent content on Harrison's Sandbox

SecurityReverse engineeringEmbedded / microcontrollersNetworking

’16’17’18’19’20’21’22’23’24’25’26
Posts
12 from 7 Mar 2016 to 8 Dec 2025
Posting
now and then (2 in the last year)
Kind
personal blog
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2025 1

  1. IKEA MYGGSPRAY Wireless motion sensor teardown

2022 1

  1. Reverse engineering an EV charger

2021 3

  1. Reverse engineering digital COVID-19 certificates
  2. Decrypting GSM SMS traffic
  3. A look at GSM

2020 2

  1. Patching the adb daemon to run as root
  2. Exposing covert surveillance backdoors in children’s smartwatches

2019 3

  1. 802.11p V2X hunting
  2. Building a passive IMSI catcher
  3. Norway amateur radio repeater map

2018 1

  1. Your ISP is probably spying on you

2016 1

  1. CAN on the Raspberry Pi