Are QR Codes safe to use, or can your mobile phone be hacked using QR codes? Let’s be clear – QR codes by themselves can only be tampered with, altered, or generated, they can NOT be hacked. They can be used by thieves as a novel attack vector to enable a malicious hacking attempt. For this reason, security researchers at LMNTRIX feel it’s best to avoid making payments with QR codes. Read more.