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Another certificate authority issues dangerous certficates

04

Nov

2011

Note: This story has been updated with commentary from Entrust at the bottom. Mozilla has announced they are revoking another intermediate signing certificate used by a registrar in Malaysia, DigiCert Sdn. Bhd. According to the post, DigiCert Sdn. Bhd. (not to be confused with US based DigiCert) had issued 22 weak certificates (RSA 512) to […]

Category General Written by Naked Security - Sophos 0 Comments

Towering Qbot Certificates

28

Sep

2011

New stolen digital certificates are used by the multi-purpose backdoor Qbot. The criminals behind the Qbot trojan are certainly not inactive. As I mentioned in a blog post earlier this month, after a quiet summer we have seen a batch of new Qbot variants. An interesting fact is that the malicious binaries were digitally signed. […]

Category General Written by ESET ThreatBlog 0 Comments

DigiNotar Certificates Revoked Following Theft

13

Sep

2011

Last year as we considered possible future threats, one of our predictions for 2011 thoughts turned to the use of stolen digital certificates becoming increasingly more common. We envisioned malicious websites and applications being signed using stolen digital certificates and validated by products and applications that fail to keep up to date with these events. […]

Category Security Written by M86 Security Labs Blog 0 Comments

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Another certificate authority issues dangerous certficates

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