{"id":1588,"date":"2019-03-18T04:40:00","date_gmt":"2019-03-18T04:40:00","guid":{"rendered":"https:\/\/insurance.risk.exchange\/?p=1588"},"modified":"2020-12-04T06:00:04","modified_gmt":"2020-12-04T06:00:04","slug":"blockchain-for-tamper-detection","status":"publish","type":"post","link":"https:\/\/insurance.risk.exchange\/cs\/blockchain-for-tamper-detection\/","title":{"rendered":"Blockchain pro v\u011brohodnost a detekci manipulace"},"content":{"rendered":"<p>Vzhledem k tomu, \u017ee nyn\u00ed m\u00e1me pln\u011b funk\u010dn\u00ed digitalizovan\u00fd obchodn\u00ed trh, byly podniknuty robustn\u00ed kroky k ochran\u011b integrity a transparentnosti dokument\u016f a soubor\u016f udr\u017eov\u00e1n\u00edm nez\u00e1visl\u00e9ho auditn\u00edho z\u00e1znamu toho, co se stalo v obchodn\u00edm procesu; poskytuje tak plnou provenienci dat pro v\u0161echny origin\u00e1ln\u00ed dokumenty, kdo k dokumentu p\u0159istupoval po dobu jeho \u017eivotnosti a zda s n\u00edm bylo n\u011bjak\u00fdm zp\u016fsobem manipulov\u00e1no (neopr\u00e1vn\u011bn\u00e1 \u00faprava, vymaz\u00e1n\u00ed, nahrazen\u00ed), \u010d\u00edm\u017e se zm\u00edrn\u00ed riziko v\u0161ech forem digit\u00e1ln\u00edho podvodu.<\/p>\n<p>Jedn\u00edm z hlavn\u00edch \u00fakol\u016f je zajistit, aby zaznamenan\u00e9 a archivovan\u00e9 dokumenty t\u00fdkaj\u00edc\u00ed se z\u00e1sad a reklamac\u00ed, korespondence, transakce a p\u0159edkl\u00e1dac\u00ed dokumenty byly trvale platn\u00e9 a m\u011bly auditn\u00ed z\u00e1znam, kter\u00fd lze nez\u00e1visle ov\u011b\u0159it b\u011bhem cel\u00e9ho \u017eivotn\u00edho cyklu dokumentu.<\/p>\n<p>To je d\u016fvod, pro\u010d vyu\u017e\u00edv\u00e1me \u0159e\u0161en\u00ed poskytnut\u00e9 dodavatelem integrity dat Guardtime, vyn\u00e1lezcem standardn\u00ed technologie Keyless Signature Infrastructure (KSI) pro zabezpe\u010den\u00ed v\u0161ech na\u0161ich online integrovan\u00fdch \u00falo\u017ei\u0161\u0165 soubor\u016f a dokument\u016f na v\u00fdm\u011bn\u011b, tak\u017ee integrita dat m\u016f\u017ee b\u00fdt aplikov\u00e1na od za\u010d\u00e1tku do konce. ke zm\u00edrn\u011bn\u00ed rizika; a z\u00e1rove\u0148 v\u00fdrazn\u011b sn\u00ed\u017eit n\u00e1klady v p\u0159\u00edpad\u011b jak\u00fdchkoli soudn\u00edch spor\u016f.<\/p>\n<p>KSI ov\u011b\u0159uje jedine\u010dnou identifikaci dat, \u010das, m\u00edsto a integritu a pravost jak\u00e9hokoli pojistn\u00e9ho dokumentu nebo dat v jak\u00e9mkoli bod\u011b. KSI vyu\u017e\u00edv\u00e1 technologii Blockchain spole\u010dnosti Guardtime, kter\u00e1 je ji\u017e ve v\u00fdrob\u011b v obrann\u00e9m pr\u016fmyslu po cel\u00e9m sv\u011bt\u011b, k zape\u010det\u011bn\u00ed v\u0161ech \u010dlensk\u00fdch dokument\u016f a konkr\u00e9tn\u00edch\/relevantn\u00edch dat pou\u017e\u00edvan\u00fdch v platform\u00e1ch pro v\u00fdm\u011bnu rizik irX, a\u0165 jsou nasazeny kdekoli.<\/p>\n<p>Neopr\u00e1vn\u011bn\u00e1 pe\u010de\u0165 je sou\u010d\u00e1st\u00ed ov\u011b\u0159ovac\u00edho procesu, kter\u00fd dok\u00e1\u017ee v re\u00e1ln\u00e9m \u010dase zjistit, zda byl dokument nebo data n\u011bjak\u00fdm zp\u016fsobem zmanipulov\u00e1na.<\/p>\n<p>To znamen\u00e1, \u017ee st\u00e1vaj\u00edc\u00ed obchodn\u00ed iniciativy s\u00eddl\u00edc\u00ed v irX a nov\u00e9 iniciativy, jako jsou cenn\u00e9 pap\u00edry spojen\u00e9 s poji\u0161t\u011bn\u00edm (ILS), mohou b\u00fdt v\u0161echny trvale chr\u00e1n\u011bny KSI. D\u016fle\u017eit\u00fdm faktorem, kter\u00fd je t\u0159eba vz\u00edt v \u00favahu, je, \u017ee jakmile jsou data zaregistrov\u00e1na na blockchainu, ji\u017e nemus\u00ed b\u00fdt dodavatel zabezpe\u010den\u00ed dat d\u016fv\u011bryhodn\u00fd a ov\u011b\u0159en\u00ed lze prov\u00e9st matematicky.<\/p>\n<p>KSI Blockchain byl vybr\u00e1n, proto\u017ee je masivn\u011b \u0161k\u00e1lovateln\u00fd (a super rychl\u00fd) pro elektronick\u00e9 ov\u011b\u0159ov\u00e1n\u00ed dat, proto\u017ee vyu\u017e\u00edv\u00e1 vlastnosti blockchainu k odstran\u011bn\u00ed z\u00e1vislosti na soukrom\u00fdch kryptografick\u00fdch kl\u00ed\u010d\u00edch p\u0159i ov\u011b\u0159ov\u00e1n\u00ed.<\/p>\n<p>Pou\u017eit\u00edm hashovac\u00edch funkc\u00ed a nejen ukl\u00e1d\u00e1n\u00edm \u201epodrobnost\u00ed o procesu\u201c na blockchain se odstran\u00ed slo\u017eitost spr\u00e1vy kl\u00ed\u010d\u016f v cloudu a je mo\u017en\u00e9 jej nasadit ve velmi velk\u00e9m m\u011b\u0159\u00edtku nap\u0159\u00ed\u010d v\u0161emi burzami irX.<\/p>\n<p>KSI prok\u00e1\u017ee dobu, kdy byla data zape\u010det\u011bna, m\u016f\u017ee prok\u00e1zat, \u017ee do dat nebylo zasahov\u00e1no od doby, kdy byla plomba zape\u010det\u011bna, plus jak\u00fd proces vytvo\u0159il plombu proti neopr\u00e1vn\u011bn\u00e9 manipulaci v cel\u00e9m pojistn\u00e9m hodnotov\u00e9m \u0159et\u011bzci.<\/p>\n<p>V\u0161echna \u201erelevantn\u00ed\u201c data jsou proto ulo\u017eena v nem\u011bnn\u00e9m blockchainu, kter\u00fd tak\u00e9 umo\u017e\u0148uje poskytovat d\u016fkazy, kter\u00e9 obstoj\u00ed u soudu v p\u0159\u00edpad\u011b sporu. Forenzn\u00ed anal\u00fdza \u201e\u0159et\u011bzce\u201c tak\u00e9 usnad\u0148uje detekci anom\u00e1li\u00ed, proto\u017ee jsou k dispozici n\u00e1stroje pro rychl\u00e9 zv\u00fdrazn\u011bn\u00ed podez\u0159el\u00fdch ud\u00e1lost\u00ed a mo\u017en\u00fdch pachatel\u016f \u2013 v\u010detn\u011b zlomysln\u00fdch zasv\u011bcen\u00fdch osob.<\/p>","protected":false},"excerpt":{"rendered":"<p>Vzhledem k tomu, \u017ee nyn\u00ed m\u00e1me pln\u011b funk\u010dn\u00ed digitalizovan\u00fd obchodn\u00ed trh, byly podniknuty robustn\u00ed kroky k ochran\u011b integrity a transparentnosti dokument\u016f a soubor\u016f udr\u017eov\u00e1n\u00edm nez\u00e1visl\u00e9ho auditn\u00edho z\u00e1znamu toho, co se stalo v obchodn\u00edm procesu; \u010d\u00edm\u017e se poskytuje \u00fapln\u00e1 provenience \u00fadaj\u016f pro v\u0161echny p\u016fvodn\u00ed dokumenty, kdo m\u011bl p\u0159\u00edstup k [\u2026]<\/p>","protected":false},"author":16,"featured_media":1593,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[113,27,114,112,111,110],"_links":{"self":[{"href":"https:\/\/insurance.risk.exchange\/cs\/wp-json\/wp\/v2\/posts\/1588"}],"collection":[{"href":"https:\/\/insurance.risk.exchange\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/insurance.risk.exchange\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/insurance.risk.exchange\/cs\/wp-json\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/insurance.risk.exchange\/cs\/wp-json\/wp\/v2\/comments?post=1588"}],"version-history":[{"count":0,"href":"https:\/\/insurance.risk.exchange\/cs\/wp-json\/wp\/v2\/posts\/1588\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/insurance.risk.exchange\/cs\/wp-json\/wp\/v2\/media\/1593"}],"wp:attachment":[{"href":"https:\/\/insurance.risk.exchange\/cs\/wp-json\/wp\/v2\/media?parent=1588"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/insurance.risk.exchange\/cs\/wp-json\/wp\/v2\/categories?post=1588"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/insurance.risk.exchange\/cs\/wp-json\/wp\/v2\/tags?post=1588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}