I had always thought the mcse was 7 exams, the mcsa being 5.
When I look at the requirements for the mcse+sec, it looks like 8 are required.
http://www.microsoft.com/learning/mcp/mcse/security/windowsserver2003.asp
However, MCSA + sec is still only 5.
Confused yet?
In other news, glad to be posting again after a long hiatus