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QR Codes: A Back Door for Malware

What if the QR source is not trustworthy? Unfortunately, a browser-based attack can be initiated within seconds of scanning. "A single poisoned link is all it takes to expose an entire organization to a full-scale attack," said David Maman, CTO and founder of GreenSQL, a database security company located in Tel Aviv. To prove his point, Maman decided to launch a fake attack at a three-day security conference in London. He created a small poster featuring a big security company's logo and the words, "Just Scan to Win an iPad." Over the next three days, 455 people scanned the accompanying QR code and browsed the link. No one even questioned the sign.

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