タダで使える「フリーWi-Fi」にもリスクが 盗聴＆なりすましリスク高く「個人情報等の入力は極力避けて」（J-CASTニュース） – Yahoo!ニュース
タダで使える「フリーWi-Fi」にもリスクが 盗聴＆なりすましリスク高く「個人情報等の入力は極力避けて」（J-CASTニュース） Yahoo!ニュース
先日、ソフトバンクにおいて長時間にわたる通信障害が発生した。これにより、全国規模で多くのソフトバンクユーザーの携帯電話が「圏外」表示、あるいは繋がりにくい状況 …
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