If you use Hotmail, you should enable full session SSL in my opinion. Additionally we use SSL for additional services like Skydrive etc. However, there are some caveats. Read the blog post on that:
Hotmail security improves with full-session HTTPS encryption
Roger
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Roger Halbheer
Roger Halbheer is an Executive Security Advisor at Microsoft in EMEA acting as a trusted advisor to CxO. Before that he was a Managing Director at Accenture's Financial Services. Before joining Accenture, he was the Chief Security Officer of Swisscom (Switzerland's largest telecom provider) and the global Chief Security Advisor for Microsoft.
