Mac os x lion upgrade sierra update#
According to author Vrijenhoek, there is something important to note:įor those not familiar with reading Apple Security bulletins, the addressed vulnerabilities mention ‘Available for: OS X El Capitan v10.11.6,’ but this means the vulnerability was found in OS X El Capitan and fixed only if you update to macOS Sierra. The entry for Sierra cites 65 security fixes.ģ. Apple maintains a webpage that provides details for all its security updates.Ģ. In the post for 21 September 2016, Jay Vrijenhoek explains the situation with Sierra nicely.ġ.
Mac os x lion upgrade sierra mac#
The Mac Security Blog at Intego is a very helpful place to find out more about all this. They need to be attended to, but an urgent single point security update isn’t called for. Secondly, many sound scary, but are still in proof of concept phase and aren’t widespread in real world exploitations. Why doesn’t Apple roll out the fixes piecemeal? The answer is that some are synergistic and depend on major OS changes that could, in turn, affect developers. By the time a major release, like Sierra, is launched, most of those problems should be solved. That’s one reason why Apple has a long period of developer and public betas to work out those kinks. Those architectural changes, in some cases, can impact the operation of some apps. But I’m always mindful that, in this day and age, many security fixes, many of which have architectural impacts, are rolled into each major release.
Being both a writer and a podcaster, I can’t afford a show stopper. When a new version of macOS comes out, my first reaction is to check my mission critical apps. It is so modest in its scope that some users may be seduced into thinking that they may not need the upgrade, even though it’s free. That’s a bad idea. The feature list of macOS Sierra is deceptively simple.
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