In a step forward to protect the privacy of customers, Microsoft has sent a letter to Article 29 Working Party notifying them of intention to make a change to Bing’s data retention policy. “Specifically, we’re reducing amount of time we store IP addresses from searchers to 6 months before we delete it. Generally, when Bing receives search data we do a few things: first, we take steps to separate account information (email or phone number) from other information (what the query was, for example). Then, after 18 months we take additional step of deleting IP address and any other cross session IDs associated with query. Under the new policy, we’ll continue to take all steps we applied previously – but now we’ll remove IP address completely at 6 months, instead of 18 months. We think this gives us the right balance between making search better for consumers and providing greater protection for the privacy of our users,” writes Bing blog.
More info: Microsoft on the Issues