{"id":"https://openalex.org/W3184045904","doi":"https://doi.org/10.1109/access.2021.3098708","title":"A Review of the State of the Art in Privacy and Security in the eHealth Cloud","display_name":"A Review of the State of the Art in Privacy and Security in the eHealth Cloud","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3184045904","doi":"https://doi.org/10.1109/access.2021.3098708","mag":"3184045904"},"language":"en","primary_location":{"id":"doi:10.1109/access.2021.3098708","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3098708","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09492097.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"review","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09492097.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5035838631","display_name":"Aqeel Sahi","orcid":"https://orcid.org/0000-0003-3176-3310"},"institutions":[{"id":"https://openalex.org/I185523456","display_name":"University of Southern Queensland","ror":"https://ror.org/04sjbnx57","country_code":"AU","type":"education","lineage":["https://openalex.org/I185523456"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"Aqeel Sahi","raw_affiliation_strings":["University of Southern Queensland, Toowoomba, QLD, Australia"],"raw_orcid":"https://orcid.org/0000-0003-3176-3310","affiliations":[{"raw_affiliation_string":"University of Southern Queensland, Toowoomba, QLD, Australia","institution_ids":["https://openalex.org/I185523456"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026281321","display_name":"David Lai","orcid":"https://orcid.org/0000-0001-5917-7685"},"institutions":[{"id":"https://openalex.org/I185523456","display_name":"University of Southern Queensland","ror":"https://ror.org/04sjbnx57","country_code":"AU","type":"education","lineage":["https://openalex.org/I185523456"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"David Lai","raw_affiliation_strings":["University of Southern Queensland, Toowoomba, QLD, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Southern Queensland, Toowoomba, QLD, Australia","institution_ids":["https://openalex.org/I185523456"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100443879","display_name":"Yan Li","orcid":"https://orcid.org/0000-0002-4694-4926"},"institutions":[{"id":"https://openalex.org/I185523456","display_name":"University of Southern Queensland","ror":"https://ror.org/04sjbnx57","country_code":"AU","type":"education","lineage":["https://openalex.org/I185523456"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Yan Li","raw_affiliation_strings":["University of Southern Queensland, Toowoomba, QLD, Australia"],"raw_orcid":"https://orcid.org/0000-0002-4694-4926","affiliations":[{"raw_affiliation_string":"University of Southern Queensland, Toowoomba, QLD, Australia","institution_ids":["https://openalex.org/I185523456"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5035838631"],"corresponding_institution_ids":["https://openalex.org/I185523456"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":6.8256,"has_fulltext":true,"cited_by_count":33,"citation_normalized_percentile":{"value":0.96855794,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"9","issue":null,"first_page":"104127","last_page":"104141"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11614","display_name":"Cloud Data Security Solutions","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11614","display_name":"Cloud Data Security Solutions","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ehealth","display_name":"eHealth","score":0.9244199395179749},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.7243179678916931},{"id":"https://openalex.org/keywords/cloud-computing-security","display_name":"Cloud computing security","score":0.6638438701629639},{"id":"https://openalex.org/keywords/internet-privacy","display_name":"Internet privacy","score":0.6419669985771179},{"id":"https://openalex.org/keywords/information-privacy","display_name":"Information privacy","score":0.6361522674560547},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6041480302810669},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.5845403075218201},{"id":"https://openalex.org/keywords/data-security","display_name":"Data security","score":0.46866071224212646},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.28203144669532776},{"id":"https://openalex.org/keywords/health-care","display_name":"Health care","score":0.188319593667984}],"concepts":[{"id":"https://openalex.org/C202645933","wikidata":"https://www.wikidata.org/wiki/Q4930","display_name":"eHealth","level":3,"score":0.9244199395179749},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.7243179678916931},{"id":"https://openalex.org/C184842701","wikidata":"https://www.wikidata.org/wiki/Q370563","display_name":"Cloud computing security","level":3,"score":0.6638438701629639},{"id":"https://openalex.org/C108827166","wikidata":"https://www.wikidata.org/wiki/Q175975","display_name":"Internet privacy","level":1,"score":0.6419669985771179},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.6361522674560547},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6041480302810669},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.5845403075218201},{"id":"https://openalex.org/C10511746","wikidata":"https://www.wikidata.org/wiki/Q899388","display_name":"Data security","level":3,"score":0.46866071224212646},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.28203144669532776},{"id":"https://openalex.org/C160735492","wikidata":"https://www.wikidata.org/wiki/Q31207","display_name":"Health care","level":2,"score":0.188319593667984},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/access.2021.3098708","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3098708","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09492097.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:eprints.usq.edu.au:42934","is_oa":true,"landing_page_url":null,"pdf_url":"http://eprints.usq.edu.au/42934/1/ACCESS3098708.pdf","source":{"id":"https://openalex.org/S4306400692","display_name":"University of Southern Queensland ePrints (University of Southern Queensland)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I185523456","host_organization_name":"University of Southern Queensland","host_organization_lineage":["https://openalex.org/I185523456"],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Article (Commonwealth Reporting Category C)"},{"id":"pmh:oai:doaj.org/article:92f211cb38514ed8b8e683b61f4f17c0","is_oa":true,"landing_page_url":"https://doaj.org/article/92f211cb38514ed8b8e683b61f4f17c0","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 9, Pp 104127-104141 (2021)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2021.3098708","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3098708","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09492097.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.46000000834465027,"id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320320985","display_name":"University of Southern Queensland","ror":"https://ror.org/04sjbnx57"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3184045904.pdf","grobid_xml":"https://content.openalex.org/works/W3184045904.grobid-xml"},"referenced_works_count":137,"referenced_works":["https://openalex.org/W4699120","https://openalex.org/W154883872","https://openalex.org/W418413933","https://openalex.org/W599564486","https://openalex.org/W773504527","https://openalex.org/W783096245","https://openalex.org/W991467354","https://openalex.org/W1498316612","https://openalex.org/W1536392520","https://openalex.org/W1582813804","https://openalex.org/W1720304360","https://openalex.org/W1763482972","https://openalex.org/W1887868917","https://openalex.org/W1966161093","https://openalex.org/W1966837108","https://openalex.org/W1973388526","https://openalex.org/W1979493600","https://openalex.org/W1980846722","https://openalex.org/W1984511722","https://openalex.org/W1986668534","https://openalex.org/W1989433363","https://openalex.org/W1990509304","https://openalex.org/W1990752442","https://openalex.org/W1994192343","https://openalex.org/W1998792047","https://openalex.org/W2002733966","https://openalex.org/W2003906223","https://openalex.org/W2005358011","https://openalex.org/W2009497894","https://openalex.org/W2009694952","https://openalex.org/W2014169107","https://openalex.org/W2015580473","https://openalex.org/W2018003270","https://openalex.org/W2031496381","https://openalex.org/W2034382123","https://openalex.org/W2034705891","https://openalex.org/W2034990034","https://openalex.org/W2039074122","https://openalex.org/W2040088268","https://openalex.org/W2048527487","https://openalex.org/W2058691594","https://openalex.org/W2062468501","https://openalex.org/W2062903085","https://openalex.org/W2071178901","https://openalex.org/W2075838923","https://openalex.org/W2080279828","https://openalex.org/W2081250972","https://openalex.org/W2085608275","https://openalex.org/W2086320043","https://openalex.org/W2092044754","https://openalex.org/W2102100462","https://openalex.org/W2109026747","https://openalex.org/W2116626915","https://openalex.org/W2118875948","https://openalex.org/W2120600989","https://openalex.org/W2128232860","https://openalex.org/W2131725908","https://openalex.org/W2138001464","https://openalex.org/W2147096042","https://openalex.org/W2175661655","https://openalex.org/W2198130350","https://openalex.org/W2231539627","https://openalex.org/W2258475915","https://openalex.org/W2262035661","https://openalex.org/W2263522178","https://openalex.org/W2271942471","https://openalex.org/W2275530856","https://openalex.org/W2280409606","https://openalex.org/W2281830773","https://openalex.org/W2307601096","https://openalex.org/W2313383357","https://openalex.org/W2314118214","https://openalex.org/W2337719407","https://openalex.org/W2342707649","https://openalex.org/W2343785519","https://openalex.org/W2382099189","https://openalex.org/W2383201009","https://openalex.org/W2399584189","https://openalex.org/W2400191671","https://openalex.org/W2410319475","https://openalex.org/W2412038070","https://openalex.org/W2467620307","https://openalex.org/W2471241327","https://openalex.org/W2473784818","https://openalex.org/W2479355632","https://openalex.org/W2494259734","https://openalex.org/W2510494235","https://openalex.org/W2515246120","https://openalex.org/W2519191968","https://openalex.org/W2520472180","https://openalex.org/W2520599105","https://openalex.org/W2522561450","https://openalex.org/W2522972287","https://openalex.org/W2523739949","https://openalex.org/W2529033518","https://openalex.org/W2555013069","https://openalex.org/W2566174810","https://openalex.org/W2569542945","https://openalex.org/W2578818417","https://openalex.org/W2605076645","https://openalex.org/W2612989047","https://openalex.org/W2741004240","https://openalex.org/W2746469348","https://openalex.org/W2756289758","https://openalex.org/W2786298272","https://openalex.org/W2796994201","https://openalex.org/W2799572223","https://openalex.org/W2803496998","https://openalex.org/W2887371902","https://openalex.org/W2898990541","https://openalex.org/W2899516827","https://openalex.org/W2941921633","https://openalex.org/W2947318417","https://openalex.org/W2947730823","https://openalex.org/W2954963846","https://openalex.org/W2972056595","https://openalex.org/W2998556411","https://openalex.org/W3005929894","https://openalex.org/W3017967666","https://openalex.org/W3018474919","https://openalex.org/W3034723411","https://openalex.org/W3035869073","https://openalex.org/W3037087016","https://openalex.org/W3042848129","https://openalex.org/W3043609867","https://openalex.org/W3092177290","https://openalex.org/W3119409406","https://openalex.org/W3123406994","https://openalex.org/W3157157355","https://openalex.org/W3172502095","https://openalex.org/W4231464594","https://openalex.org/W4253436293","https://openalex.org/W6606212940","https://openalex.org/W6693118493","https://openalex.org/W6712993828","https://openalex.org/W6720077921","https://openalex.org/W6731537265"],"related_works":["https://openalex.org/W2931996793","https://openalex.org/W4205234238","https://openalex.org/W3148880067","https://openalex.org/W2788934790","https://openalex.org/W3167767780","https://openalex.org/W1988660452","https://openalex.org/W3043682580","https://openalex.org/W2941559775","https://openalex.org/W3142266060","https://openalex.org/W4401658540"],"abstract_inverted_index":{"The":[0,105],"proliferation":[1],"and":[2,14,25,34,39,48,61,70,78,83,110,117,139,144,155],"usefulness":[3],"of":[4,12,50,74,114,129,153],"cloud":[5],"computing":[6],"in":[7,59,63,81,85,112,126,150],"eHealth":[8,20,64,87,137],"demands":[9],"high":[10],"levels":[11],"security":[13,24,38,49,60,82,131],"privacy":[15,26,40,47,62,84,154],"for":[16,28,37],"health":[17,30],"records.":[18],"However,":[19],"clouds":[21],"pose":[22],"serious":[23],"concerns":[27],"sensitive":[29],"data.":[31,52],"Therefore,":[32],"practical":[33],"effective":[35],"methods":[36],"management":[41],"are":[42],"essential":[43],"to":[44],"preserve":[45],"the":[46,51,55,72,75,86,127,151],"To":[53],"review":[54,91],"current":[56,147],"research":[57,124,148],"directions":[58],"clouds,":[65],"this":[66],"study":[67,120],"has":[68],"analysed":[69],"summarized":[71,111],"state":[73],"art":[76],"technologies":[77],"approaches":[79],"reported":[80],"cloud.":[88],"An":[89],"extensive":[90,142],"covering":[92],"132":[93],"studies":[94,107],"from":[95],"several":[96,123],"peer-reviewed":[97],"databases":[98],"such":[99],"as":[100],"IEEE":[101],"Xplore":[102],"was":[103],"conducted.":[104],"relevant":[106],"were":[108],"reviewed":[109],"terms":[113],"their":[115],"benefits":[116],"risks.":[118],"This":[119,133],"also":[121],"compares":[122],"works":[125],"domain":[128],"data":[130],"requirements.":[132],"paper":[134],"will":[135],"provide":[136],"stakeholders":[138],"researchers":[140],"with":[141],"knowledge":[143],"information":[145],"on":[146],"trends":[149],"areas":[152],"security.":[156]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":12},{"year":2022,"cited_by_count":8}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}