Η Apple applied its first automatic security update for Mac, which corrected a security gap very important to await user approval.
Until now Apple it had avoid it to make an automatic update, despite having been able to do this for two years.
The problem that was detected in NTP or Network Time Protocol was important as well hackers have used this that part of the software in the past to cause damage to other computer systems.
NTP is used in synchronization of clocks between computer systems and in Internet worldwide.
The "hole" was discovered by the Software Engineering Institute of the University of Carnegie Mellon. The weak point found in the software concerns dozens technology companies, among them and Apple.