It seems that many commenters did not read (or understand) the article. It's wordy. Let me summarize the issue: 1) A malicious party with access to your Apple

It seems that many commenters did not read (or understand) the article. It's wordy. Let me summarize the issue: 1) A malicious party with access to your Apple ID and password can access your FileVault2-encrypted computer when it has been put to sleep. It is not vulnerable if it has been turned off. 2) Mountain Lion automatically enables this feature and hides the option if you're using FileVault2, providing no way to disable it, when you upgrade. Therefore, to be secure from Apple ID insecurity when using FileVault2, you must take one of the following actions: 1) Turn off your computer rather than putting it to sleep. 2) Decrypt FileVault (which makes the preference appear), deselect the checkbox, and re-encrypt.