643
HONG KONG ( REUTERS ) - Cathay Pacific Airways said on Wednesday ( Oct 24 ) that data of about 9.4 million passengers of Cathay and its unit Hong Kong Dragon Airlines had been accessed without authorisation .
 data breach: had been accessed
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 data breach: had been accessed