That's 'Internet Recovery', which is just enough to fire up WLAN and grab a recovery image to netboot from in the event your disk is totally unreadable. Unlikel

That's 'Internet Recovery', which is just enough to fire up WLAN and grab a recovery image to netboot from in the event your disk is totally unreadable. Unlikely it'd still be able to trigger a wipe this way. Recovery itself is still it's own partition (from my mid-2011 Air): apaulin:~/ $ diskutil list [13:38:41] /dev/disk0 #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *121.3 GB disk0 1: EFI 209.7 MB disk0s1 2: Apple_HFS Macintosh HD 120.5 GB disk0s2 3: Apple_Boot Recovery HD 650.0 MB disk0s3