Microsoft released Security Advisory 2798897 to provide notification regarding a a fraudulent digital certificate issued by TURKTRUST Inc.
TURKTRUST Inc. incorrectly created two subsidiary Certificate Authorities: (*.EGO.GOV.TR and e-islem.kktcmerkezbankasi.org). The *.EGO.GOV.TR subsidiary CA was used to issue a fraudulent digital certificate to *.google.com.
Additional information: Security Advisory 2798897 Released, Certificate Trust List Updated (http://securitygarden.blogspot.com/2013/01/security-advisory-2798897-released.html)