On 2016-05-01 7:46 , Bill wrote:
A friend (yes, I have 2, and I value them), has an Apple laptop of some
sort. It's a few years old. This might give a hint.
Anyway, she is going through a bit of a breakup and wants to change her
passwords to keep the soon to be ex out of her computer, and she has asked
me to assist.
So, how similar is her computer going to be to my iPad in terms of this sort
of thing?
it's not exactly simple…
if he has physical access to the computer and a little bit of knowledge, the
only way to keep him out would be to use FileVault to encrypt the whole hard
drive; if that's not an issue, at a minimum you need to look for
1) change passwords for all Users (System Preferences > Users and Groups);
note that any user labeled "admin" can access all files on the computer
2) change iCloud password (for Mail, iTunes purchases, etc.) managed on the
web via icloud.com
3) carefully check the settings for each service under System Preferences >
Sharing (each of these has detailed settings for who can use that sharing
type); turn off unneeded sharing, and vet the list of users for any needed
sharing type
4) reset password for ISP and any wifi router
this doesn't begin to address her internet accounts; Stan is right about the
Keychain — if he has already got a copy of it and knows her old login
passsword, he can unlock that he can get all the passwords to internet
accounts and whatnot that might have been saved
i have probably overlooked something, and there's always a chance that
spyware or something might be hidden on the computer … the most paranoid
course would be (after changing passwords) to start with a new computer,
turn filevault on, and transfer her info (Apple will often do that as a
courtesy when you buy a computer), then destroy the hard drive in the old
computer, and change passwords again
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