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Thesis Friday – Fridays are for artifacts
Fridays are for artifacts

Decode. Analyze. Understand.

  • Home
  • Apple Unified Log
    • What is the Apple Unified Log (AUL)?
    • How to investigate the Apple Unified Log
    • ALR Method
  • Posts
    • Artifacts
    • ALR Method
    • HowTo
  • How it started
  • Contact
  • Copyright
  • Privacy
Thesis Friday – Fridays are for artifacts
Fridays are for artifacts

Decode. Analyze. Understand.

  • Artifacts

Touch ID vs password unlock in the Apple Unified Log (macOS 26) – Thesis Friday #26

Key finding On macOS 26.6.2 the keybag transition gives away the unlock method: “locked -> inBioUnlock” after Touch ID, “locked -> unlocked” after a password. A rejected finger leaves sensor activity and NO-MATCH but no state change. A password unlock…

  • Tim Korver
  • August 28, 2026
  • Artifacts

Apple Watch button presses in the Apple Unified Log (watchOS 26) – Thesis Friday #18

Key finding On watchOS 26.2 the Carousel process logs a Digital Crown press as “Crown down” and a side button press as “Button held”. If the press continues, “Button long-held” follows about 600 milliseconds later, which is the strongest sign…

  • Tim Korver
  • December 19, 2025
  • Artifacts

Volume button presses in the Apple Unified Log (iOS) – Thesis Friday #8

Key finding Each press of a volume button is logged twice. First backboardd writes a HID event (VolumeIncrement, usage 0xE9, downEvent:1), then about nine milliseconds later SpringBoard writes rawVolumeIncreasePress or rawVolumeDecreasePress. These entries show that someone physically pressed the button…

  • Tim Korver
  • May 30, 2025

© 2026 Tim Korver — Thesis Friday. Blog content licensed under CC BY-NC-ND 4.0. Workshop and training material: all rights reserved. All log data originates from the author's own reference devices. No case data is used. This is a personal research publication and does not represent the position of any employer or working group. Copyright and Use · Contact.