SG11201809476VA - Computer-implemented privacy engineering system and method - Google Patents

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) -., (19) World Intellectual Property 11111111111111111111011111110 1111111111111111110 1111111111110 11111111111 Organization International Bureau (10) International Publication Number (43) International Publication Date ......'\"' WO 2017/187207 Al 02 November 2017 (02.11.2017) WIP0 I PCT (51) International Patent Classification: (72) Inventors: MCFALL, Jason Derek; c/o Privitar Limit- GOOF 21/62 (2013.01) GOOF 17/30 (2006.01) ed, Salisbury House, Station Road, Cambridge CB1 2LA (21) International Application Number: (GB). CABOT, Charles Codman; c/o Privitar Limited, PCT/GB2017/051227 Salisbury House, Station Road, Cambridge CB 2LA (GB). MORAN, Timothy James; c/o Privitar Limited, Salis- (22) International Filing Date: bury House, Station Road, Cambridge CB1 2LA (GB). 02 May 2017 (02.05.2017) GUINAMARD, Kieron Francois Pascal; c/o Privitar Limited, Salisbury House, Station Road, Cambridge CB1 (25) Filing Language: English 2LA (GB). EATWELL, Vladimir Michael; c/o Privitar (26) Publication Language: English Limited, Salisbury House, Station Road, Cambridge CB1 2LA (GB). PICKERING, Benjamin Thomas; c/o Priv- (30) Priority Data: itar Limited, Salisbury House, Station Road, Cambridge 1607591.3 29 April 2016 (29.04.2016) GB CB1 2LA (GB). MELLOR, Paul David; c/o Privitar Lim- 1612991.8 27 July 2016 (27.07.2016) GB ited, Salisbury House, Station Road, Cambridge CB1 2LA 1619733.7 22 November 2016 (22.11.2016) GB (GB). STADLER, Theresa; c/o Privitar Limited, Salis- 1702357.3 14 February 2017 (14.02.2017) GB bury House, Station Road, Cambridge CB1 2LA (GB). PE- (71) Applicant: PRIVITAR LIMITED [GB/GB]; Salisbury TRE, Andrei; c/o Privitar Limited, Salisbury House, Sta- House, Station Road, Cambridge CB1 2LA (GB). tion Road, Cambridge CB1 2LA (GB). SMITH, Christo- pher Andrew; c/o Privitar Limited, Salisbury House, Sta- tion Road, Cambridge CB1 2LA (GB). DU PREEZ, An- = (54) Title: COMPUTER-IMPLEMENTED PRIVACY ENGINEERING SYSTEM AND METHOD Query UI Consuming Application t Differentially private aggregate queries • User ii_ii Lens Management Lens Query Application 1 11 Interface A Management of privacy External controls Distributed Compute Cluster Sensitive v Account management 1 Databases .„.. Access monitoring ' Publisher Anonymised Data 0 0 ' Sensitive Batch file Analysis Jobs Anon raised ..... Input Data Minibatches s'\" 110. Sensitive Data Publisher Anonymised Data Output Data Record streams i--0. A isation nonym Jobs Anonymised Matched data * Data t SecureLink Invokes Oblivious Matching _ t Metadata Store Data with Internal or Token encrypted external to Vault Publisher Metadata identifiers cluster Management Stores — • Application rif User Manage privacy policies Privacy Policies Action data Anonymisation -- .... _ View risk/utilty analysis Reports and analytics 4 Configuration 1,.._ . 2!!!b?ss___, 1-1 FIGURE 1 IN © \" (57) : A system allows the identification and protection of sensitive IN workflows, data situations or use cases. The system scans datasets to identify 00 0 anonymisation of sensitive or identifying datasets by processing that data to produce a ---- access to a raw dataset. The system enables privacy preserving aggregate IN private algorithms to reduce or prevent the risk of identification or disclosure 1-1 © and is implemented in a way that supports parallel execution on a distributed ei C data in a multiple ways, which can be combined for different sensitive data or identifying datasets, and to enable the of sensitive information. The system scales to big data compute cluster. queries and computations. safe copy. Furthermore, the system prevents The system uses differentially [Continued on next page] WO 2017/187207 Al MIDEDIMOMOIDEIROIDEMOMOHOMOIONERVOIS thony Jason; c/o Privitar Limited, Salisbury House, Station Road, Cambridge CB1 2LA (GB). VUJOSEVIC, Igor; c/o Privitar Limited, Salisbury House, Station Road, Cambridge CB1 2LA (GB). DANEZIS, George; c/o Privitar Limited, Salisbury House, Station Road, Cambridge CB1 2LA (GB). (74) Agent: ORIGIN LIMITED; Twisden Works, Twisden Road, London NW5 1DN (GB). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3))