Symantec is exiting the certificate business due to its exposed shady practices. Google Chrome and Mozilla Firefox will no longer trust the company’s certificates. Users will never be able to visit sites with an invalid digital certificate, hence canceling web traffic for the site questioned. The next phase of the consensus plan is to distrust any. certificate that chains up to a Symantee root,. regardless of when it was issued. This phase does not affect S/MIME certificates, and this phase does. not affect websites with invalid certificates.”]
Source: https://hackercombat.com/the-death-of-symantecs-digital-certificate-business/