Am I the only one concerned that an iCloud backup translating into information disclosure is a major security weakness in Apple's platform? Also, since Apple r

Am I the only one concerned that an iCloud backup translating into information disclosure is a major security weakness in Apple's platform? Also, since Apple remembers old iCloud passwords to prevent reuse for a year, what stops them from setting it to the original value in their database? Even if there were information lost in their database when the password changed, surely they have backups, right?