Campaigns / Proof of Tampering / Synthetic Receipts

Synthetic Receipts

a

Architect

ahonore

Difficulty

2/5

ETA

10 min

The suspect submitted three receipt batches to justify late-night access to the institute. The amounts were deleted, but the first digit of each amount survived in an accounting export.

Use Benford-style analysis to identify the batch that looks synthetically generated. The flag is the suspicious account number.

◆ Input solution

◇ Stage cleared

Next Stage →