As noted by Letem světem Applem and confirmed by MacRumors editor Eric Slivka, Apple in the aftermath of the nude celeb pics scandal seems to have taken the first in a series of promised steps to bolster up the security of its cloud.
Now each time you sign in to iCloud through a web browser, the Cupertino firm will issue an email notice which contains a date and time that the account was accessed. This behavior is now enabled by default.
Previously, login alerts had been sent only if there was an attempt to log in to iCloud on an unknown Apple device.