Tag Archives: EKU

512-bit Certificates Abused in the Wild

November 28, 2011 by Bruce Morton     No Comments

Late last month, we were advised that some malware used in a spear-phishing attack was signed using 512-bit RSA Web server certificates. In a recent blog post from FOX-IT, it was confirmed that the abused certificates were issued by more than one CA to more than one subscriber and it was concluded that the certificate [Read More...]

Filed Under: Secure Browsing, SSL Tagged With: EKU, SSL, weak keys