{"id":933,"date":"2026-03-22T14:06:32","date_gmt":"2026-03-22T14:06:32","guid":{"rendered":"https:\/\/www.visualize-ai.com\/cn\/security-analysis-through-data-flow-mapping\/"},"modified":"2026-03-22T14:06:32","modified_gmt":"2026-03-22T14:06:32","slug":"security-analysis-through-data-flow-mapping","status":"publish","type":"post","link":"https:\/\/www.visualize-ai.com\/cn\/security-analysis-through-data-flow-mapping\/","title":{"rendered":"DFD\u6307\u5357\uff1a\u901a\u8fc7\u6570\u636e\u6d41\u6620\u5c04\u8fdb\u884c\u5b89\u5168\u5206\u6790"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Child-style infographic illustrating security analysis through data flow mapping, showing external entities, processes, data stores, and data flows with security controls like encryption, input validation, and trust boundaries, plus risk categories and maintenance best practices, all rendered in colorful crayon hand-drawn style for educational clarity\" 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#f2f2f2;\">\n<th><strong>\u98ce\u9669\u7c7b\u522b<\/strong><\/th>\n<th><strong>\u63cf\u8ff0<\/strong><\/th>\n<th><strong>DFD\u6307\u6807<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u672a\u6388\u6743\u8bbf\u95ee<\/strong><\/td>\n<td>\u6570\u636e\u88ab\u672a\u88ab\u6388\u6743\u67e5\u770b\u7684\u5b9e\u4f53\u8bbf\u95ee\u3002<\/td>\n<td>\u6e90\u81ea\u4f4e\u4fe1\u4efb\u5ea6\u5b9e\u4f53\u4e14\u65e0\u8ba4\u8bc1\u8282\u70b9\u7684\u6570\u636e\u6d41\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6570\u636e\u7be1\u6539<\/strong><\/td>\n<td>\u6570\u636e\u5728\u4f20\u8f93\u6216\u5b58\u50a8\u8fc7\u7a0b\u4e2d\u88ab\u4fee\u6539\u3002<\/td>\n<td>\u7f3a\u4e4f\u5b8c\u6574\u6027\u68c0\u67e5\u6216\u6570\u5b57\u7b7e\u540d\u7684\u6570\u636e\u6d41\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4fe1\u606f\u6cc4\u9732<\/strong><\/td>\n<td>\u654f\u611f\u6570\u636e\u88ab\u6cc4\u9732\u7ed9\u672a\u7ecf\u6388\u6743\u7684\u65b9\u3002<\/td>\n<td>\u672a\u6807\u6ce8\u52a0\u5bc6\u4fe1\u606f\u5373\u901a\u8fc7\u516c\u5171\u7f51\u7edc\u7684\u6570\u636e\u6d41\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u62d2\u7edd\u670d\u52a1<\/strong><\/td>\n<td>\u7cfb\u7edf\u56e0\u8d44\u6e90\u8017\u5c3d\u800c\u4e0d\u53ef\u7528\u3002<\/td>\n<td>\u7f3a\u4e4f\u8f93\u5165\u9a8c\u8bc1\u6216\u901f\u7387\u9650\u5236\u6807\u8bc6\u7684\u6d41\u7a0b\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6743\u9650\u63d0\u5347<\/strong><\/td>\n<td>\u7528\u6237\u83b7\u5f97\u4e86\u8d85\u51fa\u5176\u5206\u914d\u6743\u9650\u7684\u8bbf\u95ee\u6743\u9650\u3002<\/td>\n<td>\u5728\u65e0\u89d2\u8272\u68c0\u67e5\u7684\u60c5\u51b5\u4e0b\u5904\u7406\u7ba1\u7406\u5458\u529f\u80fd\u7684\u6d41\u7a0b\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5c06\u56fe\u8868\u4e0e\u8fd9\u4e9b\u7c7b\u522b\u8fdb\u884c\u5bf9\u6bd4\u5206\u6790\uff0c\u6709\u52a9\u4e8e\u8bc6\u522b\u8584\u5f31\u73af\u8282\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6570\u636e\u6d41\u4ece\u7528\u6237\u754c\u9762\u76f4\u63a5\u6d41\u5411\u6570\u636e\u5e93\u800c\u6ca1\u6709\u4e2d\u95f4\u5904\u7406\u8fc7\u7a0b\uff0c\u8fd9\u8868\u660e\u7f3a\u4e4f\u4e1a\u52a1\u903b\u8f91\u9a8c\u8bc1\u3002\u8fd9\u4f1a\u5e26\u6765\u4e25\u91cd\u7684\u6ce8\u5165\u653b\u51fb\u98ce\u9669\u3002\u540c\u6837\uff0c\u5982\u679c\u6570\u636e\u5b58\u50a8\u4e2d\u5305\u542b\u51ed\u636e\uff0c\u4f46\u6d41\u5411\u8be5\u5b58\u50a8\u7684\u6570\u636e\u6d41\u672a\u6807\u660e\u52a0\u5bc6\uff0c\u5219\u8be5\u5b58\u50a8\u673a\u5236\u5f88\u53ef\u80fd\u5b58\u5728\u6f0f\u6d1e\u3002<\/p>\n<h2>\ud83d\udd12 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\/>\n\u6240\u6709\u8de8\u8d8a\u4fe1\u4efb\u8fb9\u754c\u7684\u4efb\u4f55\u6570\u636e\u6d41\u90fd\u5e94\u8fdb\u884c\u52a0\u5bc6\u3002\u56fe\u8868\u5e94\u660e\u786e\u6807\u6ce8\u52a0\u5bc6\u9700\u6c42\u7684\u4f4d\u7f6e\u3002\u8fd9\u5305\u62ec\u5bf9\u4f20\u8f93\u4e2d\u7684\u6570\u636e\u4f7f\u7528\u4f20\u8f93\u5c42\u52a0\u5bc6\uff0c\u4ee5\u53ca\u5bf9\u670d\u52a1\u95f4\u79fb\u52a8\u7684\u6570\u636e\u4f7f\u7528\u5e94\u7528\u5c42\u52a0\u5bc6\u3002\u5982\u679c\u67d0\u4e00\u6d41\u7a0b\u6807\u8bb0\u4e3a\u201c\u516c\u5f00\u201d\uff0c\u53ef\u80fd\u65e0\u9700\u52a0\u5bc6\uff0c\u4f46\u5fc5\u987b\u5bf9\u5176\u654f\u611f\u6027\u8fdb\u884c\u5ba1\u8ba1\u3002\u5982\u679c\u67d0\u4e00\u6d41\u7a0b\u6807\u8bb0\u4e3a\u201c\u654f\u611f\u201d\uff0c\u5219\u5fc5\u987b\u5f3a\u5236\u52a0\u5bc6\u3002<\/p>\n<p><strong>\u8f93\u5165\u9a8c\u8bc1<\/strong><br \/>\n\u6d41\u7a0b\u662f\u4fdd\u969c\u6570\u636e\u5b8c\u6574\u6027\u7684\u5b88\u95e8\u4eba\u3002\u56fe\u8868\u5e94\u7a81\u51fa\u663e\u793a\u9a8c\u8bc1\u53d1\u751f\u7684\u4f4d\u7f6e\u3002\u5982\u679c\u4e00\u4e2a\u6d41\u7a0b\u4ece\u5916\u90e8\u5b9e\u4f53\u63a5\u6536\u6570\u636e\uff0c\u5fc5\u987b\u9a8c\u8bc1\u8be5\u6570\u636e\u7684\u683c\u5f0f\u3001\u957f\u5ea6\u548c\u5185\u5bb9\u3002\u8fd9\u53ef\u4ee5\u9632\u6b62\u683c\u5f0f\u9519\u8bef\u7684\u6570\u636e\u7834\u574f\u7cfb\u7edf\u6216\u5f15\u53d1\u6f0f\u6d1e\u3002DFD\u5e94\u5728\u6570\u636e\u8fdb\u5165\u6570\u636e\u5b58\u50a8\u524d\u663e\u793a\u9a8c\u8bc1\u68c0\u67e5\u70b9\u3002<\/p>\n<p><strong>\u65e5\u5fd7\u8bb0\u5f55\u4e0e\u76d1\u63a7<\/strong><br 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