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Sweet32 vulnerablity

Question asked by Monal Valia on Dec 7, 2018
Latest reply on Dec 7, 2018 by Rob Moss

I noticed recently our site got down rated to an F by the SSLlabs test.    We have been at B+ at least up to Sept time frame and the we have now been down rated to F for the following Cipher:

 

TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA (secp256r1) 

 

NMAP reports this as being vulnerable SWEET32 attack, I realize this attack is a few years old but when did Qualsys do a grade rating change to F for the cipher?

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