{"id":"https://openalex.org/W2890346317","doi":"https://doi.org/10.1145/3267323.3268958","title":"What's a Little Leakage Between Friends?","display_name":"What's a Little Leakage Between Friends?","publication_year":2018,"publication_date":"2018-01-15","ids":{"openalex":"https://openalex.org/W2890346317","doi":"https://doi.org/10.1145/3267323.3268958","mag":"2890346317"},"language":"en","primary_location":{"id":"doi:10.1145/3267323.3268958","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3267323.3268958","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2018 Workshop on Privacy in the Electronic Society","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5056846703","display_name":"Sebastian Angel","orcid":"https://orcid.org/0000-0002-3798-5590"},"institutions":[{"id":"https://openalex.org/I79576946","display_name":"University of Pennsylvania","ror":"https://ror.org/00b30xv10","country_code":"US","type":"education","lineage":["https://openalex.org/I79576946"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sebastian Angel","raw_affiliation_strings":["University of Pennsylvania, Philadelphia, PA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Pennsylvania, Philadelphia, PA, USA","institution_ids":["https://openalex.org/I79576946"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087670807","display_name":"David Lazar","orcid":"https://orcid.org/0000-0002-7816-457X"},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"David Lazar","raw_affiliation_strings":["Massachusetts Institute of Technology, Cambridge, MA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Massachusetts Institute of Technology, Cambridge, MA, USA","institution_ids":["https://openalex.org/I63966007"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5076702057","display_name":"Ioanna Tzialla","orcid":"https://orcid.org/0009-0006-4627-3479"},"institutions":[{"id":"https://openalex.org/I57206974","display_name":"New York University","ror":"https://ror.org/0190ak572","country_code":"US","type":"education","lineage":["https://openalex.org/I57206974"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ioanna Tzialla","raw_affiliation_strings":["New York University, New York, NY, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"New York University, New York, NY, USA","institution_ids":["https://openalex.org/I57206974"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.1132,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.39939751,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"104","last_page":"108"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11598","display_name":"Internet Traffic Analysis and Secure E-voting","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T11598","display_name":"Internet Traffic Analysis and Secure E-voting","score":1.0,"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/T10237","display_name":"Cryptography and Data Security","score":0.9998999834060669,"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/T11644","display_name":"Spam and Phishing Detection","score":0.9936000108718872,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/adversary","display_name":"Adversary","score":0.8231096863746643},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7894995808601379},{"id":"https://openalex.org/keywords/metadata","display_name":"Metadata","score":0.7146902680397034},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.6171442866325378},{"id":"https://openalex.org/keywords/private-information-retrieval","display_name":"Private information retrieval","score":0.5854235887527466},{"id":"https://openalex.org/keywords/intersection","display_name":"Intersection (aeronautics)","score":0.5484380125999451},{"id":"https://openalex.org/keywords/information-leakage","display_name":"Information leakage","score":0.5071828365325928},{"id":"https://openalex.org/keywords/compromise","display_name":"Compromise","score":0.4164183735847473},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.36774754524230957},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08135953545570374}],"concepts":[{"id":"https://openalex.org/C41065033","wikidata":"https://www.wikidata.org/wiki/Q2825412","display_name":"Adversary","level":2,"score":0.8231096863746643},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7894995808601379},{"id":"https://openalex.org/C93518851","wikidata":"https://www.wikidata.org/wiki/Q180160","display_name":"Metadata","level":2,"score":0.7146902680397034},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.6171442866325378},{"id":"https://openalex.org/C99221444","wikidata":"https://www.wikidata.org/wiki/Q1532069","display_name":"Private information retrieval","level":2,"score":0.5854235887527466},{"id":"https://openalex.org/C64543145","wikidata":"https://www.wikidata.org/wiki/Q162942","display_name":"Intersection (aeronautics)","level":2,"score":0.5484380125999451},{"id":"https://openalex.org/C2779201187","wikidata":"https://www.wikidata.org/wiki/Q2775060","display_name":"Information leakage","level":2,"score":0.5071828365325928},{"id":"https://openalex.org/C46355384","wikidata":"https://www.wikidata.org/wiki/Q726686","display_name":"Compromise","level":2,"score":0.4164183735847473},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.36774754524230957},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08135953545570374},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C36289849","wikidata":"https://www.wikidata.org/wiki/Q34749","display_name":"Social science","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3267323.3268958","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3267323.3268958","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2018 Workshop on Privacy in the Electronic Society","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.5}],"awards":[{"id":"https://openalex.org/G1347860244","display_name":null,"funder_award_id":"FA9550-15-1-0302","funder_id":"https://openalex.org/F4320338279","funder_display_name":"Air Force Office of Scientific Research"},{"id":"https://openalex.org/G3873801846","display_name":"TWC: Medium: Scaling proof-based verifiable computation","funder_award_id":"1514422","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G815882414","display_name":null,"funder_award_id":"N00014-16-1-2154","funder_id":"https://openalex.org/F4320338298","funder_display_name":"Office of Naval Research Global"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320338279","display_name":"Air Force Office of Scientific Research","ror":"https://ror.org/011e9bt93"},{"id":"https://openalex.org/F4320338298","display_name":"Office of Naval Research Global","ror":"https://ror.org/00rk2pe57"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1484474218","https://openalex.org/W1494538302","https://openalex.org/W1526404465","https://openalex.org/W1573085116","https://openalex.org/W1583040866","https://openalex.org/W1607703983","https://openalex.org/W1840784207","https://openalex.org/W1992157848","https://openalex.org/W2102714612","https://openalex.org/W2103647628","https://openalex.org/W2133551352","https://openalex.org/W2155301500","https://openalex.org/W2525359697","https://openalex.org/W2534639771","https://openalex.org/W2614378039","https://openalex.org/W2763648389","https://openalex.org/W2763748542"],"related_works":["https://openalex.org/W2801622120","https://openalex.org/W2164141394","https://openalex.org/W189451467","https://openalex.org/W2260680879","https://openalex.org/W3080908196","https://openalex.org/W2784486299","https://openalex.org/W3122800147","https://openalex.org/W3002570285","https://openalex.org/W3128892202","https://openalex.org/W4226134241"],"abstract_inverted_index":{"This":[0],"paper":[1],"introduces":[2],"a":[3,25,48,109,113,124,144,153],"new":[4,110],"attack":[5],"on":[6,155],"recent":[7],"messaging":[8,104],"systems":[9],"that":[10,18,83,91,117,149],"protect":[11],"communication":[12],"metadata.":[13],"The":[14],"main":[15],"observation":[16],"is":[17,50,93],"if":[19],"an":[20,74],"adversary":[21,45],"manages":[22],"to":[23,34,60],"compromise":[24],"user's":[26,39],"friend,":[27],"it":[28,92],"can":[29,118,151],"use":[30],"this":[31,68,130,165],"compromised":[32,69],"friend":[33,70],"learn":[35],"information":[36],"about":[37],"the":[38,44,58,78,85,96,120,147],"other":[40,52],"ongoing":[41],"conversations.":[42],"Specifically,":[43],"learns":[46],"whether":[47],"user":[49],"sending":[51],"messages":[53],"or":[54,99],"not,":[55],"which":[56],"opens":[57],"door":[59],"existing":[61,102],"intersection":[62],"and":[63,89,126,161],"disclosure":[64],"attacks.":[65],"To":[66],"formalize":[67],"attack,":[71],"we":[72,142],"present":[73],"abstract":[75],"scenario":[76],"called":[77,112],"exclusive":[79],"call":[80],"center":[81],"problem":[82],"captures":[84],"attack's":[86],"root":[87],"cause,":[88],"demonstrates":[90],"independent":[94],"of":[95,101,129,159],"particular":[97],"design":[98],"implementation":[100],"metadata-private":[103],"systems.":[105],"We":[106],"then":[107],"introduce":[108],"primitive":[111,131],"private":[114],"answering":[115],"machine":[116],"prevent":[119],"attack.":[121],"Unfortunately,":[122],"building":[123],"secure":[125],"efficient":[127],"instance":[128],"under":[132,146],"only":[133],"computational":[134],"hardness":[135],"assumptions":[136],"does":[137],"not":[138],"appear":[139],"possible.":[140],"Instead,":[141],"give":[143],"construction":[145],"assumption":[148],"users":[150],"place":[152],"bound":[154],"their":[156],"maximum":[157],"number":[158],"friends":[160],"are":[162],"okay":[163],"leaking":[164],"information.":[166]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-08-06T08:24:18.245995","created_date":"2025-10-10T00:00:00"}