Data breach notification from Mozilla Monitor but breach not shown on dashboard

I received an email from Mozilla Monitor saying that there was a breach at Amtrak and my email address was exposed. However, when I go to my dashboard on Mozilla Monitor… (مزید پڑھیں)

I received an email from Mozilla Monitor saying that there was a breach at Amtrak and my email address was exposed. However, when I go to my dashboard on Mozilla Monitor there is no mention of a breach at Amtrak. Should I conclude that the email was an attempt at phishing?

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Mozilla Monitor Exposure notification