{"id":4247,"date":"2020-10-30T23:34:28","date_gmt":"2020-10-30T22:34:28","guid":{"rendered":"https:\/\/webhosting.de\/?p=4247"},"modified":"2020-10-30T23:34:28","modified_gmt":"2020-10-30T22:34:28","slug":"hacked-wifi-hack-you-with-preset-passwords","status":"publish","type":"post","link":"https:\/\/webhosting.de\/da\/gehacktes-wlan-haften-sie-bei-voreingestellten-passwoertern\/","title":{"rendered":"Hacket WLAN - er du ansvarlig for forudindstillede adgangskoder?"},"content":{"rendered":"

Internettet bliver brugt mere og mere. Flere og flere mennesker bruger ogs\u00e5 den WLAN<\/a>Routeren bruger en privat n\u00f8gle til at bestemme, hvem der kan bruge internettet via routeren, og hvem der ikke kan. Routeren bruger en privat n\u00f8gle til at bestemme, hvem der kan bruge internettet via routeren, og hvem der ikke kan. Hvis n\u00f8glen udleveres eller kn\u00e6kkes, kan den p\u00e5g\u00e6ldende bruger oprette forbindelse til internettet. Men hvordan st\u00e5r det til med den Ansvar<\/a> slukket?<\/p>\n

Sikring af WLAN - nogle grundl\u00e6ggende ting<\/h2>\n

For at besvare ovenst\u00e5ende sp\u00f8rgsm\u00e5l skal du f\u00f8rst v\u00e6re opm\u00e6rksom p\u00e5 nogle grundl\u00e6ggende ting. Routere anvender forskellige sikkerhedsforanstaltninger. Disse kan konfigureres via routeren. Desuden leveres mange routere allerede med en kode tildelt af producenten eller genererer den under installationen. De mest almindelige metoder er WPA eller WPA2-PSK. Her genereres en n\u00f8gle best\u00e5ende af flere tegn for at sikre internettet. En anden - men nu for\u00e6ldet - metode er WEP-kryptering. Alternativt kan du helt undv\u00e6re kryptering og f\u00e5 adgang til forskellige ekstrafunktioner, f.eks. sikring af adgang via MAC-adressen eller forkl\u00e6dning af ID'et.<\/p>\n

WPA2-PSK-kryptering - den nuv\u00e6rende standard<\/h3>\n

WPA2-PSK anses for at v\u00e6re den aktuelle og mest sikre krypteringsstandard. Alle moderne routere og enheder underst\u00f8tter krypteringen. Koden genereres normalt under installationen eller er specificeret individuelt for routeren af producenten. Hvis dette er tilf\u00e6ldet, kan det antages, at krypteringen er sikker. Derfor skal du i tvivlstilf\u00e6lde ikke v\u00e6re ansvarlig, hvis din router alligevel hakket<\/a> vil.<\/p>\n

WPA- og WEP-kryptering<\/h3>\n

Begge krypteringsforanstaltninger bestemmes af brugeren. Det betyder, at du selv v\u00e6lger en kode eller f\u00e5r den genereret. WPA-standarden anvendes sj\u00e6ldent i dag og er blevet erstattet af WPA2-standarden. WEP anses nu for at v\u00e6re usikkert og let at hacke og b\u00f8r derfor ikke l\u00e6ngere anvendes. Ansvarssituationen er anderledes her og kan variere fra sag til sag. Sp\u00f8rgsm\u00e5let her er, hvilken n\u00f8gle du udleverede, og hvor let var det at g\u00e6tte den?<\/p>\n

Offentligt WLAN uden kryptering<\/h3>\n

Denne metode g\u00f8r dit WLAN offentligt og brugbart for alle. Der er ingen sikkerhedsn\u00f8gle. Det betyder, at hvis du bruger denne form for forbindelse til dit WLAN, kan alle forhindre sig selv i at bruge din router. Dette betragtes som grov uagtsomhed, og du kan n\u00e6sten v\u00e6re sikker p\u00e5, at du vil blive stillet til ansvar i disse tilf\u00e6lde af misbrug. \u00c5bent WLAN er derfor normalt sikret af andre faktorer. Hvis du f.eks. bruger en adgangsliste med de enkelte enheders MAC-adresser, kan kun disse enheder f\u00e5 adgang til routeren - s\u00e5 har du opfyldt din forpligtelse. Det er ogs\u00e5 muligt at kryptere SSID'et, dvs. identifikatoren for WLAN, s\u00e5 du ikke kun skal kende koden, men ogs\u00e5 SSID'et for forbindelsen. Som en yderligere sikkerhedsfaktor kan du ogs\u00e5 skjule SSID'et. Derefter skal du oprette forbindelse til netv\u00e6rket helt manuelt, indtaste SSID'et, og f\u00f8rst derefter kan du oprette forbindelse.<\/p>\n

Disse tre varianter fungerer uafh\u00e6ngigt af krypteringen. Det betyder, at du nemt kan kombinere disse mekanismer med de andre krypteringsmetoder, ikke kun med den \u00e5bne forbindelse. Det eneste vigtige er, at der er en rimelig sikkerhed for netv\u00e6rket, og at du ikke giver adgang til netv\u00e6rket p\u00e5 uforsvarlig vis.<\/p>\n

Den juridiske situation i Tyskland<\/h3>\n

Den juridiske situation i Tyskland p\u00e5 dette omr\u00e5de blev for nylig endnu en gang bekr\u00e6ftet af forbundsdomstolen. Denne dom viser, at ejeren af et WLAN ikke er ansvarlig, hvis han har truffet de n\u00f8dvendige rimelige foranstaltninger til at beskytte sit WLAN mod uautoriseret adgang. Dette g\u00e6lder ogs\u00e5, hvis det kan antages, at producenten har tildelt en individuel og sikker krypteringskode i henhold til de g\u00e6ldende standarder (i \u00f8jeblikket WPA2). I denne sag skulle en kvinde betale for de skader, som en ukendt person havde forvoldt ved ulovligt at uploade en video til et fildelingssted. I dette tilf\u00e6lde var krypteringsgenerationen fejlagtig, s\u00e5 enheden kunne hackes. Den f\u00f8derale h\u00f8jesteret gav - ligesom de tidligere instanser - kvinden medhold. Der har tidligere v\u00e6ret flere domme med et lignende resultat.<\/p>\n

Den \"Stoererhaftung<\/h3>\n

Generelt er det vanskeligt at p\u00e5gribe en lovovertr\u00e6der efter brug af internettet. Selv i en simpel husstand er der ofte flere personer, der bruger internettet. Hvis der er tale om et universitet eller en delebolig, er gruppen af mennesker normalt endnu st\u00f8rre. De forurettede parter p\u00e5ber\u00e5ber sig ofte den s\u00e5kaldte \"Stoererhaftung\" (tilsides\u00e6ttelse af omsorgspligt), som g\u00f8r det muligt at holde operat\u00f8ren ansvarlig i stedet for at kontakte den p\u00e5g\u00e6ldende gerningsmand direkte. P\u00e5 denne m\u00e5de har skadelidte en chance for at f\u00e5 erstatning for deres skader. Men desv\u00e6rre er der ogs\u00e5 her mange muligheder, og de skadelidte har ikke altid ret.<\/p>\n

Konklusion<\/h3>\n

Internettet, og is\u00e6r sikkerhed og kryptering, betragtes generelt som et komplekst emne. Hvert \u00e5r er der mange sager og problemer p\u00e5 grund af advarsler og ulovlig brug af internettet. Ofte er der ogs\u00e5 forskellige m\u00e5der, du kan g\u00e5 videre p\u00e5. De er forskellige alt efter situationen og afh\u00e6nger bl.a. af, om du er privatperson eller erhvervsdrivende. F.eks. skal du ofte betale advarselsomkostningerne, men ikke skadeserstatning. Det er en forskel, der kan spare dig mange penge. Du b\u00f8r derfor under alle omst\u00e6ndigheder kontakte en professionel advokat i disse situationer, som er bekendt med sagen og kan repr\u00e6sentere dig i overensstemmelse hermed.<\/p>","protected":false},"excerpt":{"rendered":"

Das Internet wird immer h\u00e4ufiger genutzt. Dabei wird immer mehr auch \u00fcber das WLAN, also per Funk \u00fcber einen Router auf das Internet zugegriffen. Dieser nutzt einen privaten Schl\u00fcssel, um zu bestimmten wer das Internet \u00fcber den Router nutzen kann und wer nicht. Wird der Schl\u00fcssel herausgegeben oder geknackt, dann sich der entsprechende Nutzer mit 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