← Forensic workshop

ZEKASTRA / Fictional case study 02

Night Shift: when midnight misleads.

A fictional notification, workstation notes, gateway entry and archive job use two clock representations. Can you order five events without confusing local dates and UTC?

SYNTHETIC TRAINING CASE — no real people, devices, network traffic, evidence or case numbers. All UTC offsets are deliberately explicit. A timestamp alone cannot establish who acted, whether a record is authentic or whether clocks were synchronized.

01 / Inspect sources

Download original fictional files

All five timestamps indicate an explicit Z or +03:00 UTC offset. One local workstation record has the following calendar date, but the UTC day is still October 9, 2026. Keep timestamps and source descriptions together when comparing.

Review UTC and filesystem timestamps →

02 / Reconstruct

Choose every event, earliest UTC first

Don't trust the hour or date shown without its offset. Select each record once, then check the complete sequence.

03 / Document findings

Produce a reproducible training note

A correct sequence unlocks an editable UTC chronology. Distinguish the order in this invented dataset from actual events or evidence authenticity.

Continue in the forensic training report workshop (copy and paste) →

04 / Discuss and verify

What does an ordered timestamp prove?

Nothing about a real individual, an actual device operation or the accuracy of clocks. A source log, acquisition context, synchronization record and alternative explanations would need independent verification.

For educators: reveal facilitator answer key (spoiler)

The answer key explicitly gives all five UTC values, the intended order and the limitations of any interpretation.

Download bilingual solution key (TXT)

Try the first case: Missing USB →