No matches, because of one newline

A breach notice shares SHA-256 hashes of exposed email addresses. A colleague found no matches with echo. Find the byte that broke the comparison and redo the check.

Terminal mission
Beginner
3 objectives
0 of 3 solved

Briefing

A supplier was breached and sent hashes of affected customer email addresses instead of the addresses themselves. A colleague checked four executive addresses and found none on the list.

echo adds a newline after its text, and sha256sum hashes that newline too. echo -n prints the text alone.

analyst@soc-ws

soc-ws · Hashes and verification

Type help for the command list and objectives for your tasks. Everything runs in this browser.

analyst@soc-ws:~/breach-notice$

Up and down arrows walk your history. Ctrl+L clears the screen. Try help, ls, and objectives.