Received phishing email from Lowes 2 hours after purchasing item.
Received phishing email from Lowes (Congrats! xxxxxxx, You've received $100 Lowe's reward ILmF) 2 hours after making a valid purchase at Lowe's. Contacted Lowe's to verify it is a phishing email. No suspecious activity on card. I fear this is not a coincidence and suspect I have a virus on my iMac. I have no 3rd party software installed on iMac for virus protection.
Looking for recommendations on how to proceed to investigate.
iMac Line (2012 and Later)