While the rapid spread of the two-dimen-sional codes accompanying security risks are increas-ing. With the two-dimensional code prosperity, securi-ty incidents have occurred frequently. This paper studies on security risks of the two-dimensional codes from aspects of security supervision, generation and analysis tools, coding methods, etc. Finally appropriate measures have been proposed.%虽然二维码市场不断繁荣,但安全事件频发,二维码被用于不良企图,以及由此引发的信息泄露等安全问题须高度关注,并亟待解决。从安全监管、生成和读取工具、编码方式等多个方面分析了二维码存在的安全隐患,并提出了应对之策。
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