One important thing to note. PCCW the main local telco uses Hong Kong ID numbers as passwords by default, or at least they used to do so. This means that this

One important thing to note. PCCW the main local telco uses Hong Kong ID numbers as passwords by default, or at least they used to do so. This means that this database contains usernames and passwords in cleartext for a significant number of users who have never changed their accounts.