\u958b\u9580\u898b\u5c71\u5148\u8aaa\u7d50\u8ad6\uff1a\u98a8\u96aa\u56e0\u5b50(Risk Factor)\u5c31\u662f\u6307\u69cb\u6210\u4e00\u500b\u98a8\u96aa\u7684\u57fa\u672c\u7d44\u6210\u5143\u7d20\u3002<\/p>\n\n\n\n
\u56e0\u5b50(Factor)\u5c31\u662f\u7d44\u6210\u5143\u7d20\uff0c\u4e5f\u5e38\u88ab\u7a31\u70ba\u56e0\u7d20\u3002\u5728\u8cc7\u5b89\u9818\u57df\u9664\u4e86\u98a8\u96aa\u56e0\u5b50\uff0c\u6211\u5011\u4e5f\u5e38\u63d0\u5230\u591a\u56e0\u5b50\u9a57\u8b49(Multi-Factor Authentication)\u3002\u5728\u8eab\u4efd\u9a57\u8b49\u7684\u904e\u7a0b\uff0c\u4f7f\u7528\u8005\u9664\u4e86\u8f38\u5165\u81ea\u5df1\u7684\u5e33\u865f\u6216\u4f7f\u7528\u8005\u540d\u7a31\uff08\u5b78\u540d\u53eb\u4f5c\u8eab\u4efd, ID\u6216Identity\uff09\uff0c\u9084\u8981\u8f38\u5165\u5bc6\u78bc\uff08\u5b78\u540d\u53eb\u4f5c\u4fe1\u7269\uff0cAuthenticator\uff09\u3002\u6240\u8b02\u7684\u4fe1\u7269\u662f\u6307\u7528\u4f86\u8b49\u660e\u81ea\u5df1\u8eab\u4efd\u7684\u6771\u897f\uff0c\u5b83\u6709\u4e0d\u540c\u7684\u985e\u578b\uff0c\u800c\u5bc6\u78bc\u53ea\u662f\u6210\u672c\u6700\u4f4e\u3001\u6700\u65b9\u4fbf\uff0c\u4e5f\u662f\u6700\u5e38\u88ab\u4f7f\u7528\u7684\u4e00\u7a2e\u4fe1\u7269\u800c\u5df2\u3002\u4fe1\u7269\u901a\u5e38\u662f\u8a18\u5728\u8166\u4e2d(Something You Know)\u3001\u63e1\u5728\u624b\u4e2d(Something You Have)\u6216\u9577\u5728\u8eab\u4e0a(Something You Are)\u3002\u82e5\u8eab\u4efd\u9a57\u8b49(Authentication)\u904e\u7a0b\u4f7f\u7528\u4e86\u4e8c\u7a2e\u4ee5\u4e0a\u7684\u4fe1\u7269\u985e\u578b(Authentication Factor)\uff0c\u5c31\u53ef\u7a31\u4e4b\u70ba\u591a\u56e0\u5b50\u9a57\u8b49(MFA)\u3002<\/p>\n\n\n\n
\u5728\u6578\u5b78\u4e0a\uff0c\u6240\u6709\u7684\u6574\u6578\u90fd\u662f\u7531\u8cea\u6578(Prime Number)\u7d44\u6210\uff0c\u4f8b\u5982\uff1a18 = 2 x 3\u00b2 \uff0c\u900f\u904e\u8cea\u56e0\u6578\u5206\u89e3(Prime Factorization\u6216Factoring)\u6211\u5011\u53ef\u4ee5\u770b\u51fa18\u662f\u75312\u8ddf3\u4e8c\u500b\u8cea\u56e0\u6578(Prime Factor)\u7d44\u6210\uff0c\u56e0\u6b64\u4e2d\u570b\u628aPrime Number\u7ffb\u8b6f\u6210\u3010\u7d20\u6578\u3011\u66f4\u80fd\u53cd\u61c9\u51faFactor\u662f\u7d44\u6210\u5143\u7d20\u7684\u672c\u8cea\u3002RSA\u7684\u975e\u5c0d\u7a31\u5f0f\u52a0\u5bc6\u6280\u8853\u7684\u539f\u7406\u5c31\u662f\u5229\u7528\u4e86\u9023\u96fb\u8166\u90fd\u96e3\u4ee5\u5206\u89e3\u4e00\u500b\u8d85\u5927\u6578\u503c\u7684\u6578\u5b78\u554f\u984c(Factoring Problem)\u3002\u4f8b\u5982\uff1a\u6211\u5011\u53ef\u4ee5\u900f\u904e\u8cea\u56e0\u6578\u5206\u89e3\u8f15\u6613\u5730\u628a18\u8f49\u63db\u70ba18 = 2 x 3\u00b2 \u9019\u500b\u6046\u7b49\u5f0f(Algebraic Identities)\uff0c\u4f46\u8981\u5206\u89e3188,951,534,532,423,434,6547,547\u9019\u6a23\u5927\u7684\u6578\u503c\u5c31\u7b97\u662f\u7528\u96fb\u8166\u90fd\u8981\u8dd1\u76f8\u7576\u4e45\u624d\u80fd\u6210\u529f\u3002<\/p>\n\n\n\n
\u5f9e\u591a\u56e0\u5b50\u9a57\u8b49(Multi-Factor Authentication)\u53ca\u8cea\u56e0\u6578(Prime Factor)\u7406\u89e3\u4e86\u56e0\u5b50(Factor)\u7684\u6982\u5ff5\u5f8c\uff0c\u8981\u4e86\u89e3\u98a8\u96aa\u56e0\u5b50(Risk Factor)\u7684\u6982\u5ff5\u5c31\u5f88\u7c21\u55ae\u4e86\u3002\u6839\u64daISO 31000\u7684\u5b9a\u7fa9\uff0c\u98a8\u96aa\u662f\u4e0d\u78ba\u5b9a\u6027\u5c0d\u76ee\u6a19\u6240\u9020\u6210\u7684\u5f71\u97ff(effect of uncertain on objectives)\uff0c\u5f9e\u9019\u500b\u5b9a\u7fa9\u4f86\u770b\uff0c\u98a8\u96aa\u7531\u4e09\u500b\u56e0\u5b50\uff08\u5143\u7d20\u6216\u8981\u7d20\uff09\u6240\u7d44\u6210\uff0c\u4e5f\u5c31\u662f\uff1a<\/p>\n\n\n\n
\u98a8\u96aa\uff1d\u76ee\u6a19\uff0b\u4e0d\u78ba\u5b9a\u6027\uff0b\u5f71\u97ff
Risk = Objectives + Uncertainty + Effect<\/p>\n\n\n\n
\u4e0d\u904e\u56e0\u70ba\u98a8\u96aa\u7684\u5f71\u97ff\u4f86\u81ea\u65bc\u5404\u7a2e\u4e0d\u78ba\u5b9a\u7684\u4e8b\u4ef6\u6216\u56e0\u7d20\uff0c\u6240\u4ee5\u6211\u5011\u628a\u4e2d\u8b6f\u7565\u4f5c\u8abf\u6574\uff0c\u4e5f\u5c31\u662f\u628aUncertainty\u8b6f\u70ba\u4e0d\u78ba\u5b9a\u56e0\u7d20\uff0c\u4e26\u4e14\u628a\u76ee\u6a19\u653e\u5728\u7b2c\u4e00\u4f4d\uff0c\u4ee5\u53ca\u5f37\u8abf\u4e0d\u78ba\u5b9a\u56e0\u7d20\u6210\u771f\u624d\u6703\u5e36\u4f86\u5f71\u97ff\u3002\u6700\u5f8c\u7684\u4e2d\u6587\u7ffb\u8b6f\u70ba\uff1a<\/p>\n\n\n\n
\u98a8\u96aa\u662f\u5f71\u97ff\u76ee\u6a19\u9054\u6210\u7684\u4e0d\u78ba\u5b9a\u56e0\u7d20\u3002<\/p>\n\n\n\n
\u5206\u6cbb\u6cd5(Divide-and-Conquer)\u662f\u6211\u5011\u5be6\u52d9\u4e0a\u8655\u7406\u8907\u96dc\u554f\u984c\u7684\u5e38\u7528\u624b\u6cd5\uff0c\u63db\u53e5\u8a71\u8aaa\uff0c\u9019\u5c31\u662f\u4e00\u7a2e\u96e2\u6563\u5206\u5316\u3001\u5404\u500b\u64ca\u7834\u7684\u4f5c\u6cd5\u3002\u7576\u6211\u5011\u8981\u4e86\u89e3\u4e00\u500b\u98a8\u96aa\u591a\u5927\u6216\u591a\u5c0f\uff0c\u53ea\u8981\u5c07\u98a8\u96aa\u62c6\u89e3\u5c31\u53ef\u770b\u5230\uff5b\u76ee\u6a19\uff0c\u4e0d\u78ba\u5b9a\u6027\uff0c\u5f71\u97ff\uff5d\u9019\u4e09\u500b\u7d44\u6210\u5143\u7d20\uff08\u98a8\u96aa\u56e0\u5b50\uff09\uff0c\u7576\u6211\u5011\u6108\u78ba\u4fe1A\u98a8\u96aa\u6bd4B\u98a8\u96aa\u9084\u53ef\u80fd\u767c\u751f\uff0c\u800c\u4e14A\u98a8\u96aa\u767c\u751f\u6642\u6240\u5e36\u4f86\u7684\u5f71\u97ff\u6bd4B\u98a8\u96aa\u9ad8\u6642\uff0c\u6211\u5011\u5c31\u53ef\u4ee5\u8aaaA\u98a8\u96aa\u6bd4B\u98a8\u96aa\u5927\u3002\u98a8\u96aa\u7684\u5927\u5c0f\u7684\u5b78\u540d\u7a31\u4e4b\u70ba\u66dd\u96aa(Risk Exposure)\u3002<\/p>\n\n\n\n
\u6700\u5f8c\uff0c\u98a8\u96aa\u5e36\u4f86\u7684\u5f71\u97ff\u4e0d\u7e3d\u662f\u58de\u7684\uff0c\u5b83\u4e5f\u6703\u6709\u597d\u7684\u4e00\u9762\uff0c\u585e\u7fc1\u5931\u99ac\u7109\u77e5\u975e\u798f\u5c31\u662f\u9019\u500b\u9053\u7406\u3002\u5728WUSON\u7684CISSP\u8ab2\u7a0b\u8ac7\u98a8\u96aa\u7ba1\u7406\uff0c\u4e3b\u8981\u662f\u57fa\u65bcISO 31000\u7684\u89c0\u5ff5\uff0c\u5f37\u8abf\u98a8\u96aa\u5e36\u4f86\u7684\u5f71\u97ff\u7e3d\u662f\u6709\u597d\u6709\u58de\uff0c\u5e36\u4f86\u8ca0\u9762\u5f71\u97ff\u7684\u98a8\u96aa\u53ef\u8996\u70ba\u5a01\u8105(Threat)\uff0c\u800c\u5e36\u4f86\u6b63\u9762\u5f71\u97ff\u7684\u98a8\u96aa\u5247\u53ef\u7a31\u4e4b\u70ba\u6a5f\u6703(Opportunity)\u3002<\/p>\n\n\n\n
ISO 31000\u7684\u98a8\u96aa\u89c0\u5ff5\u4e5f\u63d0\u9192\u6211\u5011\u4eba\u751f\u7e3d\u662f\u798f\u798d\u76f8\u501a\uff0c\u6240\u4ee5\u5c45\u5b89\u601d\u5371\u3001\u5e38\u60f3\u4e00\u4e8c\u5c31\u683c\u5916\u7684\u91cd\u8981\uff01<\/p>\n\n\n\n
\u8cc7\u6599\u4f86\u6e90\uff1a https:\/\/wentzwu.medium.com\/%E4%BD%95%E8%AC%82%E9%A2%A8%E9%9A%AA%E5%9B%A0%E5%AD%90-risk-factor-189ec4ae2284<\/p>\n\n\n\n
PS:\u6b64\u6587\u7ae0\u7d93\u4f5c\u8005\u540c\u610f\u8f49\u8f09<\/p>\n","protected":false},"excerpt":{"rendered":"
\u958b\u9580\u898b\u5c71\u5148\u8aaa\u7d50\u8ad6\uff1a\u98a8\u96aa\u56e0\u5b50(Risk Factor)\u5c31\u662f\u6307\u69cb\u6210\u4e00\u500b\u98a8\u96aa\u7684\u57fa\u672c\u7d44\u6210\u5143\u7d20\u3002 \u56e0\u5b50(Factor)\u5c31 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":true,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-4217","post","type-post","status-publish","format-standard","hentry","category-cissp-wentzwu"],"_links":{"self":[{"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/4217","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4217"}],"version-history":[{"count":1,"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/4217\/revisions"}],"predecessor-version":[{"id":4218,"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/4217\/revisions\/4218"}],"wp:attachment":[{"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4217"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4217"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/choson.lifenet.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4217"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}