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Yesterday I updated from Yosemite 10.10.1 to 10.10.2 (combo).

I then ran a Permissions Repair and got the following results:

Warning: SUID file “usr/bin/at” has been modified and will not be repaired.
Warning: SUID file “usr/bin/atq” has been modified and will not be repaired.
Warning: SUID file “usr/bin/atrm” has been modified and will not be repaired.
Warning: SUID file “usr/bin/batch” has been modified and will not be repaired.
Warning: SUID file “usr/bin/newgrp” has been modified and will not be repaired.
Warning: SUID file “System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/MacOS/ARDAgent” has been modified and will not be repaired.
Warning: SUID file “usr/lib/sa/sadc” has been modified and will not be repaired.
Warning: SUID file “usr/libexec/security_authtrampoline” has been modified and will not be repaired.
Warning: SUID file “usr/bin/login” has been modified and will not be repaired.
Warning: SUID file “usr/libexec/authopen” has been modified and will not be repaired.


Anything here about which I should be concerned? (I haven't seen these SUID warnings before.)

Thanks.