What are the consequences of disabling Kest Signing on OS X Yosemite? I have disabled it to keep TRIM enabled on my aftermarket SSD. What are the security issues I could run up against? If I install applications only from trusted resources can I run in any kind of trouble?
I couldn't find online extensive answers to these questions. Sorry if it's a duplicate.
TRIM Support has been enabled for Third Party SSDs in OS X El Capitan. You can google it or watch this Youtube video
It is OK. It is mainly used to detect tampering/modification of device drivers at the kernel level. You should see Trim's note here http://www.cindori.org/trim-enabler-and-yosemite/
In OS X 10.10 (Yosemite), Apple has introduced a new security requirement called kext signing. (A kext is a kernel extension, or a driver, in Mac OS X)
Kext signing basically works by checking if all the drivers in the system are unaltered by a third party, or approved by Apple. If they have been modified, Yosemite will no longer load the driver. This is a means of enforcing security, but also a way for Apple to control what hardware that third party developers can release OS X support for.
