What does the cryptic crossword clue "Dishonest scheme infiltrating this campus (4)" mean?

The definition is "Dishonest". The wordplay uses a hidden word. Hidden in "dishonest scheme infiltrating thiS CAMpus" The answer is SCAM.

Dishonest scheme infiltrating this campus (4)

Guardian Cryptic #29546 | 19 Across | 2024-11-21 flower