People are putting more things on the web, from photos, to complex accounting applications. They are joining online communities through google, yahoo, paypal and the like. These applications make use of web based applications, often using XML, called Web Services. The growing use of Web Services is attracting hackers, who are finding it profitable to attack these communities. Microsoft and the administrators of the online communities are scrambling to plug the holes that the hackers find. But it's a race, leaving people exposed to the attacks, some of which are bound to succeed. globeandmail.com : Web services under attack