data breach
US /ˈdeɪ.tə briːtʃ/
UK /ˈdeɪ.tə briːtʃ/

1.
pelanggaran data, kebocoran data
an incident in which sensitive, protected, or confidential data has been viewed, stolen, or used by an individual unauthorized to do so
:
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The company announced a major data breach affecting millions of customers.
Perusahaan mengumumkan pelanggaran data besar yang memengaruhi jutaan pelanggan.
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Preventing a data breach is a top priority for cybersecurity teams.
Mencegah pelanggaran data adalah prioritas utama bagi tim keamanan siber.