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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

Keyboard typing in the Apple Unified Log (iOS) – Thesis Friday #17

Key finding Every key press on the iOS on-screen keyboard is logged by UIKit under KeyboardTouch as touch down, touch up or touch dragged, inside the process of the active app, for example MobileMail. That tells you when someone typed…

  • Tim Korver
  • October 3, 2025
  • Artifacts

Screen touches in the Apple Unified Log (iOS 18) – Thesis Friday #14

Key finding Tapping the screen while it is off leaves three backboardd entries within half a millisecond: a digitizer event with Touching=1, “received tapToWake” and “contact 0 presence: touching”. Together they show physical contact with the screen, before any unlock…

  • Tim Korver
  • July 11, 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.