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   Mac EFI Security Update 2015-002

   Agen G. N. Schmitz

   Apple has released [1]Mac EFI Security Update 2015-001 for OS X 10.9.5
   Mavericks, which addresses an issue where the EFI (Extensible Firmware
   Interface) could potentially be overwritten without authorization. This
   update is available as a [2]direct download as well as via Software
   Update. (Free, 82 MB)

References

   1. https://support.apple.com/en-us/HT205317
   2. https://support.apple.com/kb/DL1848

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