what does a hack at some vitamin supplement maker have to do with Thunderbird email?

Hmm nothing about Piping Rock in search on https://monitor.mozilla.org/breaches

Though it is mentioned in places like https://haveibeenpwned.com/PwnedWebsites#PipingRock

As you appear to have some idea what this post is about James, where should it be located.

It has nothing to do with Thunderbird as far as I can guess, so is off topic in this forum.

There is no support forum section for Mozilla Monitor though there is direct support for Mozilla Monitor Plus.

Not sure if the OP got a email about this Piping Rock breach due to Mozilla Monitor though.

https://support.mozilla.org/en-US/kb/resolve-breaches-firefox-monitor https://support.mozilla.org/en-US/kb/what-do-after-data-breach https://support.mozilla.org/en-US/kb/mozilla-monitor-faq

Not sure if the OP got a email about this Piping Rock breach due to Mozilla Monitor though.

I have a PM indicating that there was indeed an email that was deleted. So now the query appears to be looking for the instructions the email would have contained.

I have no experience at all with monitor, so If you can assist James please do.