Hi everyone, As a follow-up to Friday’s blog post , today we released Security Advisory 2641690 to notify customers that we revoked the trust of DigiCert Sdn.Bhd in an update that moves two Intermediate Certificate Authorities (CA) certificates to the Microsoft Untrusted Certificate Store. We made this decision after Entrust, Inc., a CA in the Microsoft Root Certificate Program , notified us that one of its subordinate CAs issued 22 certificates with weak 512 bit keys, a violation of...

Hello, On this November Update Tuesday, we’re recapping the BlueHat conference , which Microsoft hosted in Redmond last week. We are also releasing four security updates, so please read on for details. Microsoft hosted its 11th installment of the BlueHat conference Nov. 2-4. The event featured presentations from hand-picked security researchers about current and emerging security threats. By fostering dialogue, and constantly engaging with the security researcher community, we’ve...

Hi everyone, Today we released Security Advisory 2639568 to provide customer guidance for the Windows kernel issue related to the Duqu malware. I would like to provide you information on how to protect your system(s), how we are addressing the issue, and insight into our threat landscape monitoring capabilities. The security advisory provides a workaround that can be applied to any Windows system. To make it easy for customers to install, we have released a Fix it that will allow one-click...

Hi everyone, This post is to notify customers that Microsoft will revoke trust in an Intermediate Certificate Authority, DigiCert Sdn. Bhd. (Digicert Malaysia) in an update to be released through Windows Update. DigiCert Sdn. Bhd is a Malaysian subordinate CA under Entrust and Verizon (GTE CyberTrust). There is no relationship between DigiCert Malaysia and DigiCert Inc., which is a member of the Windows Root Certificate Program. Microsoft was notified by Entrust, Inc , a certificate authority...

Hello, As we do each month, we're providing advance notification on the release of four security bulletins, one Critical, two Important, and one Moderate, to address four CVEs in Windows. As usual, the bulletin release is scheduled for the second Tuesday of the month, Nov. 8, at approximately 10 a.m. PT. For all the latest information, you can also follow the MSRC team on Twitter at @MSFTSecResponse . Thanks, Pete Voss Sr. Response Communications Manager Microsoft Trustworthy Computing