Contract board
scheduledTier 3

The Pentest Leftovers

Client: Apex BankRetail bank · Accra

Apex Bank compliance floor, Ridge, Accra · Serious, a bit absurd

Apex Bank hired a pentest firm, which delivered its findings as encrypted files and then went out of business. Compliance needs to know what they found before the regulator asks.

Who you'll work with

Ada MensahYour lead

Engineering Lead

Dry, warm underneath, short sentences. Notices how you did. Never gushes.

Mrs. Gifty Asare

Head of Compliance, Apex Bank

Stern, exact, secretly kind.

Tunde Bakare

Senior Developer

Friendly rival. Competitive banter, always generous in the end.

The client's system

Pentest leftovers

Unknown shifts, single-byte XOR and Vigenère with unknown short keys, all with plenty of English to score.

Crack the shiftSingle-byte XORBreak Vigenère (known length)

6 tickets in the sequence · every developer gets unique keys and tests · the rules come out in the tickets

Opens in

…
Pay / ticket
20–45
Band
400–1,999
Scored tickets
6
Your time
96h

0 devs on this contract

Performance bonus · top 10

+90 gems to 1st

  1. #1+90
  2. #2+60
  3. #3+45
  4. #4+18
  5. #5+18
  6. #6–10+18 each

Ship 2+ tickets for a +8 completion bonus.

The shortlist stays hidden until wrap-up. Only the first 6 tickets count.