Banks and regulators are warning that QR code phishing scams -- also known as "quishing" -- are slipping through corporate cyber defences and increasingly tricking customers into giving up their financial details. From a report: Lenders including Santander, HSBC, and TSB have joined the UK National Cyber Security Centre and US Federal Trade Commission among others to raise concerns about a rise in fraudulent QR codes being deployed for sophisticated fraud campaigns. The new type of email scam often involves criminals sending QR codes in attached PDFs. Experts said the strategy is effective because the messages frequently get through corporate cyber security filters -- software that typically flags malicious website links, but often does not scan images within attachments. "The appeal for criminals is that it's bypassing all of the [cyber security] training and it's also bypassing our products," said Chester Wisniewski, a senior adviser at security software company Sophos.

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