Subway customers are being targeted by hackers - what you should look out for. (JPI Media) Subway customers in the UK were targeted by hackers, it has been revelaed. Malware called TrickBot was found in dangerous links included in phishing emails sent to a number of Subcard loyalty card holders, which customers were encouraged to click. The emails, which were reported by computer security site, Bleeping Computer, used subject lines like “Your order is being processed” and “We’ve received your order.” The address the malicious messages were sent from was subcard@UK-IE.subwaysubcard.eu. The scam emails direct the recipients to click on links, which say, “Your order documents are ready and awaiting confirmation. See also Order Insurance Documents.”