We would like to advise that last week Apple has discovered three critical vulnerabilities that enable attackers to spy on victims in their OS X operating systems. For more information, check: www.ibtimes.co.uk/apple-releases-security-updates-os-x-el-capitan-yosemite-safari-patch-major-vulnerabilities-1579283.
How to update
All the users are being urged to update their versions of Apple’s OS X with the new patches, which were released on Thursday 1 September. If you haven’t done this, please follow these steps: https://support.apple.com/en-gb/HT201541.
Please note: You might want to backup your files/data before applying any updates.
All the information about recent security updates can be found here: https://support.apple.com/en-gb/HT207130
In case of any issues with the update process please contact the Service Desk on 0207 882 8888.