full history of Symantec CA issues: <a href="https://wiki.mozilla.org/CA:Symantec_Issues" rel="nofollow">https://wiki.mozilla.org/CA:Symantec_Issues</a>
This is pretty big cause it also involves all Symantec issued certificates including those operated by Symantec like GeoTrust and Thawte.<p>"...an initial set of reportedly 127 certificates has expanded to include at least 30,000 certificates, issued over a period spanning several years."