putty was last updated in late 2013 (1).

gitbash is more recent (2) and has ssh embedded.

1: http://lists.tartarus.org/pipermail/putty-announce/2013/000018.html

2:https://github.com/msysgit/msysgit/releases/download/Git-1.9.4-preview20140611/Git-1.9.4-preview20140611.exe