Im receiving multiple voice mails saying my icloud may be compromised. Is that how I would be notified?
How are you notified if your icloud has been compromised.
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Apple will never "cold call" a customer to inform them that their "icloud has been compromised." Any/All such calls are perpetrated by thieves who are attempting to steal your Apple ID credentials. You can safely ignore any/all of those calls, and block the numbers.
If you think your Apple ID has been compromised - Apple Support explains how you can determine that your account is safe.