Tom Wassenberg on Twitter reported an experience he had with Sectigo
when reporting a compromised private key.

"So a few weeks ago, I came across a private key used for a TLS
certificate, posted online. These should never be public (hence the
"private"), and every trusted CA is obliged to revoke any certificate
they issued when they become aware its private key is compromised.

"So when I informed the issuing CA (@SectigoHQ) about this, they
promptly revoked the cert. Two weeks later however, I receive an angry
email from the company using the cert (cc'd to their lawyer), blaming
me for a disruption in the services they provide.

"The company explicitly mentioned @SectigoHQ "was so kind" to give
them my contact info! It was a complete surprise for me that
@SectigoHQ would do this without my consent. Especially seeing how the
info was used to badger me."

If these situations were common, it could create a chilling effect on
problem reporting that would hurt the WebPKI ecosystem. Are specific
procedures and handling of contact information in these situations
covered by the BRs or Mozilla policy?
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