大数据隐私保护关键技术:数据脱敏、匿名化、差分隐私和同态加密

2021-06-22 网络 网络

古人云,“鱼,我所欲也,熊掌亦我所欲也;二者不可得兼”。大数据时代,数据挖掘诚可贵,例如各类APP通过收集我们的行为信息进行购买商品与美食预测和推荐,提高用户体验和提升效率;然

古人云,“鱼,我所欲也,熊掌亦我所欲也;二者不可得兼”。大数据时代,数据挖掘诚可贵,例如各类APP通过收集我们的行为信息进行购买商品与美食预测和推荐,提高用户体验和提升效率;然而,隐私保护价更高,例如敏感的个人信息(姓名、家庭住址和手机号码等)被某些机构收集,为了某种利益被非法贩卖或泄露,定向电信诈骗由此而生,山东徐玉玉案件给社会敲响了警钟。在大数据的应用场景下,在满足数据安全和隐私保护的同时,实现数据的流动和价值的最大化/最优化成为“数据控制者”或“数据处理者”普遍诉求。幸运的是,经过信息技术的发展和革新,“鱼和熊掌兼得”成为可能:数据处理者/控制者不但能收获到那条“鱼”(价值挖掘),也能得到预想的那只“熊掌”(隐私保护)。 一、数据脱敏 数据脱敏,也称为数据漂白(英文称为Data Masking或Data Desensitization)。由于其处理高效且应用灵活等优点,是目前工业界处理敏感类数据(个人信息,企业运营、交易等敏感数据)普遍采用的一种技术,在金融、运营商、企业等有广泛应用。广义地讲,人脸图像打码(马赛克)实际也是一种图片脱敏技术:通过部分的屏蔽和模糊化处理以保护“自然

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    2021-07-07 ms2000001884978918

    赚积分

    0

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  5. [GetPortalCommentsPageByObjectIdResponse(id=1976733, encodeId=e18319e6733d2, content=<a href='/topic/show?id=ca299854e9c' target=_blank style='color:#2F92EE;'>#隐私保护#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=98547, encryptionId=ca299854e9c, topicName=隐私保护)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=de89102, createdName=liuyong2980, createdTime=Sun Aug 01 03:28:14 CST 2021, time=2021-08-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1993928, encodeId=a7f81993928aa, content=<a href='/topic/show?id=4712301e7a0' target=_blank style='color:#2F92EE;'>#关键技术#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=30177, encryptionId=4712301e7a0, topicName=关键技术)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=74808, createdName=quxin068, createdTime=Thu Mar 17 13:28:14 CST 2022, time=2022-03-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=997041, encodeId=94ca99e04172, content=赚积分, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=19845543371, createdName=ms2000001884978918, createdTime=Wed Jul 07 10:24:12 CST 2021, time=2021-07-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1581676, encodeId=8d8f15816e65d, content=<a href='/topic/show?id=67e69854684' target=_blank style='color:#2F92EE;'>#隐私#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=98546, encryptionId=67e69854684, topicName=隐私)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=29b116855222, createdName=ms5187542471278033, createdTime=Thu Jun 24 09:28:14 CST 2021, time=2021-06-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=976378, encodeId=28ea9e63787c, content=赚积分, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210622/fd45c38a5bc9471db75440f7f3a8ee93/778cbee9a2754805a0a757918ad76980.jpg, createdBy=44665483639, createdName=张婷, createdTime=Wed Jun 23 23:30:04 CST 2021, time=2021-06-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=975914, encodeId=be3c9e5914bf, content=新技术, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210622/5920737516594ef3bbd30b8bf54b1aac/6100bbfa8ea94386839516360b9b80c8.jpg, createdBy=c1dc5531587, createdName=ms1000000001278051, createdTime=Tue Jun 22 20:10:11 CST 2021, time=2021-06-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=975887, encodeId=ee169e58871e, content=新技术, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220519/c2ab253484ee4527a2d4e9589a4821ac/45de9bf494a54becb2ea4369c9d11e85.jpg, createdBy=7a3710, createdName=小小医者, createdTime=Tue Jun 22 19:04:09 CST 2021, time=2021-06-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=975876, encodeId=ec6f9e5876d9, content=难, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=fefe5459581, createdName=ms7000001881586700, createdTime=Tue Jun 22 18:34:38 CST 2021, time=2021-06-22, status=1, ipAttribution=)]
    2021-06-23 张婷

    赚积分

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1976733, encodeId=e18319e6733d2, content=<a href='/topic/show?id=ca299854e9c' target=_blank style='color:#2F92EE;'>#隐私保护#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=98547, encryptionId=ca299854e9c, topicName=隐私保护)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=de89102, createdName=liuyong2980, createdTime=Sun Aug 01 03:28:14 CST 2021, time=2021-08-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1993928, encodeId=a7f81993928aa, content=<a href='/topic/show?id=4712301e7a0' target=_blank style='color:#2F92EE;'>#关键技术#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=30177, encryptionId=4712301e7a0, topicName=关键技术)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=74808, createdName=quxin068, createdTime=Thu Mar 17 13:28:14 CST 2022, time=2022-03-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=997041, encodeId=94ca99e04172, content=赚积分, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=19845543371, createdName=ms2000001884978918, createdTime=Wed Jul 07 10:24:12 CST 2021, time=2021-07-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1581676, encodeId=8d8f15816e65d, content=<a href='/topic/show?id=67e69854684' target=_blank style='color:#2F92EE;'>#隐私#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=98546, encryptionId=67e69854684, topicName=隐私)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=29b116855222, createdName=ms5187542471278033, createdTime=Thu Jun 24 09:28:14 CST 2021, time=2021-06-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=976378, encodeId=28ea9e63787c, content=赚积分, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210622/fd45c38a5bc9471db75440f7f3a8ee93/778cbee9a2754805a0a757918ad76980.jpg, createdBy=44665483639, createdName=张婷, createdTime=Wed Jun 23 23:30:04 CST 2021, time=2021-06-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=975914, encodeId=be3c9e5914bf, content=新技术, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210622/5920737516594ef3bbd30b8bf54b1aac/6100bbfa8ea94386839516360b9b80c8.jpg, createdBy=c1dc5531587, createdName=ms1000000001278051, createdTime=Tue Jun 22 20:10:11 CST 2021, time=2021-06-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=975887, encodeId=ee169e58871e, content=新技术, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220519/c2ab253484ee4527a2d4e9589a4821ac/45de9bf494a54becb2ea4369c9d11e85.jpg, createdBy=7a3710, createdName=小小医者, createdTime=Tue Jun 22 19:04:09 CST 2021, time=2021-06-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=975876, encodeId=ec6f9e5876d9, content=难, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=fefe5459581, createdName=ms7000001881586700, createdTime=Tue Jun 22 18:34:38 CST 2021, time=2021-06-22, status=1, ipAttribution=)]
    2021-06-22 ms1000000001278051

    新技术

    0

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    2021-06-22 小小医者

    新技术

    0

  8. [GetPortalCommentsPageByObjectIdResponse(id=1976733, encodeId=e18319e6733d2, content=<a href='/topic/show?id=ca299854e9c' target=_blank style='color:#2F92EE;'>#隐私保护#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=98547, encryptionId=ca299854e9c, topicName=隐私保护)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=de89102, createdName=liuyong2980, createdTime=Sun Aug 01 03:28:14 CST 2021, time=2021-08-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1993928, encodeId=a7f81993928aa, content=<a href='/topic/show?id=4712301e7a0' target=_blank style='color:#2F92EE;'>#关键技术#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=30177, encryptionId=4712301e7a0, topicName=关键技术)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=74808, createdName=quxin068, createdTime=Thu Mar 17 13:28:14 CST 2022, time=2022-03-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=997041, encodeId=94ca99e04172, content=赚积分, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=19845543371, createdName=ms2000001884978918, createdTime=Wed Jul 07 10:24:12 CST 2021, time=2021-07-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1581676, encodeId=8d8f15816e65d, content=<a href='/topic/show?id=67e69854684' target=_blank style='color:#2F92EE;'>#隐私#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=98546, encryptionId=67e69854684, topicName=隐私)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=29b116855222, createdName=ms5187542471278033, createdTime=Thu Jun 24 09:28:14 CST 2021, time=2021-06-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=976378, encodeId=28ea9e63787c, content=赚积分, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210622/fd45c38a5bc9471db75440f7f3a8ee93/778cbee9a2754805a0a757918ad76980.jpg, createdBy=44665483639, createdName=张婷, createdTime=Wed Jun 23 23:30:04 CST 2021, time=2021-06-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=975914, encodeId=be3c9e5914bf, content=新技术, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210622/5920737516594ef3bbd30b8bf54b1aac/6100bbfa8ea94386839516360b9b80c8.jpg, createdBy=c1dc5531587, createdName=ms1000000001278051, createdTime=Tue Jun 22 20:10:11 CST 2021, time=2021-06-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=975887, encodeId=ee169e58871e, content=新技术, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220519/c2ab253484ee4527a2d4e9589a4821ac/45de9bf494a54becb2ea4369c9d11e85.jpg, createdBy=7a3710, createdName=小小医者, createdTime=Tue Jun 22 19:04:09 CST 2021, time=2021-06-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=975876, encodeId=ec6f9e5876d9, content=难, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=fefe5459581, createdName=ms7000001881586700, createdTime=Tue Jun 22 18:34:38 CST 2021, time=2021-06-22, status=1, ipAttribution=)]
    2021-06-22 ms7000001881586700

    0

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