Google hide keyword data for search but not Adwords

If a user is logged in to their Google account, performs a search and then clicks on your website in the organic search listings, the keyword or phrase they used will no longer show up in Google Analytics.  But if a user clicks on an advert, the keyword/phrase is still being passed to Adwords.

Logged-in searches will now use the https protocol which makes search for secure but is going to make it difficult for website owners to distinguish between the different types of visitors to their sites, for example they will no longer be able to tell which users searched for their brand name and which found their site looking for a category of product or piece of information.

Read more on the Google Analytics Blog here