certificate

Severity Rating: Revision Note: V2.0 (October 9, 2012): Revised advisory to rerelease the KB2661254 update for Windows XP and to announce that the KB2661254 update for all supported releases of Microsoft Windows is now offered through automatic updating. Customers who previously applied the...

Severity Rating: Revision Note: V1.1 (June 13, 2012): Advisory revised to notify customers that Windows Mobile 6.x, Windows Phone 7, and Windows Phone 7.5 devices are not affected by the issue. Summary: Microsoft is aware of active attacks using three unauthorized digital certificates derived...

Severity Rating: Revision Note: V5.0 (September 19, 2011): Revised to announce the rerelease of the KB2616676 update. See the Update FAQ in this advisory for more information. Summary: Microsoft is aware of active attacks using at least one fraudulent digital certificate issued by DigiNotar, a...

Hello I have found out how to encrypt a folder I would sent to the Cloud. I also saw how to decrypt the folder. I saw mention of backing up the cetificate which sems to complicate the process.. if you can decrypt a folder you have encrypted, why is it necessary to backup the certificate? Is it...

If you haven't had a chance to see the movie Gravity, I highly recommend you take the time to check it out. The plot moves a bit slowly at times, but director Alfonso Cuaron's work portrayal of zero gravity is worth the ticket price alone. Add in stellar acting and you end up with an epic movie...

Install this update to resolve an issue which requires an update to the untrusted certificate store on Windows systems and to keep your systems up to date. Link Removed

Revision Note: V1.0 (December 9, 2013): Advisory published. Summary: Microsoft is aware of an improperly issued subordinate CA certificate that could be used in attempts to spoof content, perform phishing attacks, or perform man-in-the-middle attacks. The subordinate CA certificate was...

As the proliferation of devices continues to capture the imagination of consumers, and has ignited what is referred to as bring your own device (BYOD) revolution, many IT departments across the globe are now facing increased security considerations. While organizations encourage BYOD for cost...

I'm trying to write a script which validates certificate chain in PowerShell (that all certificates in the chain are not expired) and finds the certificate which is closest to expiration. I'm using following script to find issuer certificate: Get-ChildItem -Recurse -Path Cert: | Where-Object {...

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If you haven't had a chance to see the movie Gravity, I highly recommend you take the time to check it out. The plot moves a bit slowly at times, but director Alfonso Cuaron's work portrayal of zero gravity is worth the ticket price alone. Add in stellar acting and you end up with an epic movie...

Revision Note: V1.0 (November 12, 2013): Advisory published. Summary: Microsoft is announcing a policy change to the Microsoft Root Certificate Program. The new policy will no longer allow root certificate authorities to issue X.509 certificates using the SHA-1 hashing algorithm for the purposes...

Revision Note: V1.0 (November 12, 2013): Advisory published. Summary: Microsoft is announcing a policy change to the Microsoft Root Certificate Program. The new policy will no longer allow root certificate authorities to issue X.509 certificates using the SHA-1 hashing algorithm for the purposes...

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Revision Note: V1.0 (August 13, 2013): Advisory published. Summary: Microsoft is announcing the availability of an update for supported editions of Windows Vista, Windows Server 2008, Windows 7, Windows Server 2008 R2, Windows 8, and Windows Server 2012 that restricts the use of certificates...

Revision Note: V1.0 (August 13, 2013): Advisory published. Summary: Microsoft is announcing the availability of an update for supported editions of Windows Vista, Windows Server 2008, Windows 7, Windows Server 2008 R2, Windows 8, and Windows Server 2012 that restricts the use of certificates...

Revision Note: V1.2 (September 5, 2012): Corrected the common name for the "CN=Microsoft Online Svcs BPOS APAC CA4" certificate issued by Microsoft Services PCA. Summary: Microsoft is aware of Microsoft certificate authorities that are outside our recommended secure storage practices. Upon a...

Revision Note: V2.0 (October 9, 2012): Revised advisory to rerelease the KB2661254 update for Windows XP and to announce that the KB2661254 update for all supported releases of Microsoft Windows is now offered through automatic updating. Customers who previously applied the KB2661254 update do...