Microsoft is revealing users’ unique identifiers in plain text in URLs whenever users login to Live Services such as Outlook.com and OneDrive.
By Mary-Ann Russon
Microsoft is always going on about cybersecurity but a blogger has spotted that the computer giant is exposing the ID numbers of all users who access its online services such as Outlook.com and OneDrive.
Annoyed Microsoft User, a blogger based in Beijing, has spotted that although all Microsoft sites use secure HTTP connections, when a user tries to log in to their account, Microsoft transmits a unique 16-character identifier known as a CID in plain text in the host name of the URL, as part of its DNS lookup request when seeking to connect your computer to Microsoft’s server.
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