In one of its infrequent "Update Surprisedays," Apple plugged holes, boosted security and added features.
A Milwaukee Journal Sentinel investigation found customer payment card information from all 26 Wisconsin stores on sale.
Two men were arrested for stealing money from victims' bank accounts after sending malicious emails offering a romantic gift.
Victims had been able to restore encrypted files without paying a ransom.
As BYOD and mobile computing become more critical to business, app downloads will raise security risks.