Dutch certificate authority Diginotar issued a certificate which caused problems to Gmail users. Here you can find steps to remove or delete DigiNotar CA certificate and avoid attack in Mozilla firefox.
Detailed info about the certificate on pastebin.com bit.ly/qGTf0a
More info about the MiTM attack on Google on TheHackersNews
1. In the Tools menu click on Options.
2. From that select Advanced
3. Then select Encryption.
4. Now you can see Certificate Tab and click on that.
5. In the certificate manager box click on Authorities tab
Detailed info about the certificate on pastebin.com bit.ly/qGTf0a
More info about the MiTM attack on Google on TheHackersNews
1. In the Tools menu click on Options.
2. From that select Advanced
3. Then select Encryption.
4. Now you can see Certificate Tab and click on that.
5. In the certificate manager box click on Authorities tab
6. Scroll down and stop when you reach DigiNotar.
7. On that select DigiNotar Root CA
8. Click on Distrust or Delete button.
9. Finally click on OK
8. Click on Distrust or Delete button.
9. Finally click on OK
Note:If you don't find the certificate in "View Certificate" the search it in "Revocation list"
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