Major Security Flaw Found in Google's Gmail

The Israeli web site Nana reported a major security flaw in Google's
Gmail service, according to Nana the flaw has been checked by them many
times and almost always works.
The flaw allows a hacker to gain access to a users mail box by
hijacking their cookie.
According to Nana, Google responded that the problem is being taken
care of and it will do everything in its power to protect its users.

Apparently, the flaw was discovered
and fixed on the same day, 29th of October. So by the time you read
this original post, it had already been fixed.