[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.cajovinka.cz\/kam-az-se-dostavaji-pri-online-nakupovani-udaje-o-vasi-kreditni-karte\/#Article","mainEntityOfPage":"https:\/\/www.cajovinka.cz\/kam-az-se-dostavaji-pri-online-nakupovani-udaje-o-vasi-kreditni-karte\/","headline":"Kam a\u017e se dost\u00e1vaj\u00ed p\u0159i online nakupov\u00e1n\u00ed \u00fadaje o va\u0161\u00ed kreditn\u00ed kart\u011b?","name":"Kam a\u017e se dost\u00e1vaj\u00ed p\u0159i online nakupov\u00e1n\u00ed \u00fadaje o va\u0161\u00ed kreditn\u00ed kart\u011b?","description":"Internetov\u00e1 s\u00ed\u0165 je protk\u00e1na nespo\u010dtem po\u010d\u00edta\u010d\u016f propojen\u00fdch mezi sebou prost\u0159ednictv\u00edm kabel\u016f a bezdr\u00e1tov\u00e9ho p\u0159ipojen\u00ed. Ka\u017ed\u00e9mu […]","datePublished":"2025-07-20","dateModified":"2025-07-20","author":{"@type":"Person","@id":"https:\/\/www.cajovinka.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.cajovinka.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/9478c3014fb8763e2a18691ad6bf83eff86429738afad80df8227ac472865e36?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/9478c3014fb8763e2a18691ad6bf83eff86429738afad80df8227ac472865e36?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"cajovinka.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.cajovinka.cz\/wp-content\/uploads\/img_a309704_w2256_t1520670254.jpg","url":"https:\/\/www.cajovinka.cz\/wp-content\/uploads\/img_a309704_w2256_t1520670254.jpg","height":0,"width":0},"url":"https:\/\/www.cajovinka.cz\/kam-az-se-dostavaji-pri-online-nakupovani-udaje-o-vasi-kreditni-karte\/","wordCount":428,"articleBody":"Internetov\u00e1 s\u00ed\u0165 je protk\u00e1na nespo\u010dtem po\u010d\u00edta\u010d\u016f propojen\u00fdch mezi sebou prost\u0159ednictv\u00edm kabel\u016f a bezdr\u00e1tov\u00e9ho p\u0159ipojen\u00ed. Ka\u017ed\u00e9mu z\u00a0t\u011bchto po\u010d\u00edta\u010d\u016f je p\u0159i\u0159azena \u010d\u00edseln\u00e1 kombinace naz\u00fdvan\u00e1 IP adresa, kter\u00e1 slou\u017e\u00ed k\u00a0jeho identifikaci, stejn\u011b tak jako slou\u017e\u00ed telefonn\u00ed \u010d\u00edsla k\u00a0identifikaci jednotliv\u00fdch u\u017eivatel\u016f telefonn\u00ed s\u00edt\u011b. Stroje n\u00e1m v\u00fdrazn\u011b usnad\u0148uj\u00ed pr\u00e1ci s\u00a0\u010d\u00edsly, nebo\u0165 coby lid\u00e9 d\u00e1v\u00e1me p\u0159ednost jm\u00e9n\u016fm a n\u00e1zv\u016fm. Z\u00a0tohoto d\u016fvodu vyu\u017e\u00edv\u00e1me adres\u00e1\u0159e, do nich\u017e ukl\u00e1d\u00e1me telefonn\u00ed \u010d\u00edsla rodinn\u00fdch p\u0159\u00edslu\u0161n\u00edk\u016f, p\u0159\u00e1tel a zn\u00e1m\u00fdch. Na internetu v\u0161ak existuje rovn\u011b\u017e rozs\u00e1hl\u00fd adres\u00e1\u0159, jen\u017e uchov\u00e1v\u00e1 spojen\u00ed mezi jm\u00e9ny a \u010d\u00edseln\u00fdmi kombinacemi. Jedn\u00e1 se o takzvanou slu\u017ebu DNS. Pr\u00e1v\u011b tato slu\u017eba n\u00e1m umo\u017e\u0148uje napsat do p\u0159\u00edslu\u0161n\u00e9 li\u0161ty nap\u0159\u00edklad adresu www.seznam.cz nam\u00edsto p\u0159\u00edslu\u0161n\u00e9 IP adresy.P\u0159edt\u00edm ne\u017e konkr\u00e9tn\u00ed informace zam\u00ed\u0159\u00ed z\u00a0va\u0161eho po\u010d\u00edta\u010de do jin\u00e9ho se v\u0161ak rozd\u011bl\u00ed do n\u011bkolika d\u00edl\u010d\u00edch segment\u016f, z\u00a0nich\u017e ka\u017ed\u00fd m\u016f\u017ee na m\u00edsto ur\u010den\u00ed doputovat odli\u0161nou cestou. Tyto segmenty toti\u017e putuj\u00ed pomoc\u00ed internetov\u00e9ho p\u0159ipojen\u00ed od jednoho po\u010d\u00edta\u010de ke druh\u00e9mu, a to do t\u00e9 doby, ne\u017e doraz\u00ed do c\u00edle. Snadno se tedy m\u016f\u017ee st\u00e1t, \u017ee se n\u011bkter\u00fd z\u00a0t\u011bchto segment\u016f ztrat\u00ed.P\u0159i nakupov\u00e1n\u00ed v\u00a0e-shopech tedy sm\u011b\u0159uj\u00ed \u00fadaje z\u00a0va\u0161\u00ed kreditn\u00ed karty skrze hustou s\u00ed\u0165 protkanou kabely a dal\u0161\u00edmi po\u010d\u00edta\u010di. Snadno se tak m\u016f\u017ee st\u00e1t, \u017ee se \u010dlov\u011bk se \u0161patn\u00fdmi \u00famysly maj\u00edc\u00ed p\u0159\u00edstup k\u00a0n\u011bkter\u00e9mu z\u00a0t\u011bchto kabel\u016f nebo po\u010d\u00edta\u010d\u016f dostane k\u00a0informaci obsahuj\u00edc\u00ed tato citliv\u00e1 data.Je tedy nakupov\u00e1n\u00ed na internetu bezpe\u010dn\u00e9? P\u0159i p\u0159esunu citliv\u00fdch \u00fadaj\u016f, jak\u00fdm je nap\u0159\u00edklad \u010d\u00edslo kreditn\u00ed karty, prohl\u00ed\u017ee\u010d p\u0159\u00edslu\u0161n\u00e9 \u00fadaje za\u0161ifruje, co\u017e lze poznat podle zna\u010dky v\u00a0podob\u011b visac\u00edho z\u00e1mku na horn\u00ed li\u0161t\u011b prohl\u00ed\u017ee\u010de. Pokud zde tato zna\u010dka chyb\u00ed, jedn\u00e1 se o ned\u016fv\u011bryhodnou webovou str\u00e1nku. Nen\u00ed se proto t\u0159eba ob\u00e1vat. I kdyby se n\u011bkomu poda\u0159ilo z\u00edskat takov\u00fdto \u00fadaj, bylo by nesm\u00edrn\u011b slo\u017eit\u00e9 jej de\u0161ifrovat, co\u017e by vy\u017eadovalo mnoho jednotliv\u00fdch po\u010d\u00edta\u010d\u016f a tak\u00e9 \u010dasu.\u00a0 \u00a0                                                                                                                                                                                                                                                                                                                                                                                        5\/5 - (1 vote)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Kam a\u017e se dost\u00e1vaj\u00ed p\u0159i online nakupov\u00e1n\u00ed \u00fadaje o va\u0161\u00ed kreditn\u00ed kart\u011b?","item":"https:\/\/www.cajovinka.cz\/kam-az-se-dostavaji-pri-online-nakupovani-udaje-o-vasi-kreditni-karte\/#breadcrumbitem"}]}]