Security Advisory Microsoft Security Advisory 2641690 Fraudulent Digital Certificates Could Allow Spoofing Published: November 10, 2011 | Updated: January 19, 2012 Version: 3.0 General Information Executive Summary Microsoft is aware that DigiCert Sdn. Bhd, a Malaysian subordinate certification authority (CA) under Entrust and GTE CyberTrust, has issued 22 certificates with weak 512 bit keys. Thes