{"id":4880,"date":"2025-11-20T09:10:01","date_gmt":"2025-11-20T07:10:01","guid":{"rendered":"https:\/\/www.interlink.ro\/blog\/?p=4880"},"modified":"2025-11-20T09:10:02","modified_gmt":"2025-11-20T07:10:02","slug":"vulnerabilitate-majora-whatsapp-ce-trebuie-sa-stii","status":"publish","type":"post","link":"https:\/\/www.interlink.ro\/blog\/vulnerabilitate-majora-whatsapp-ce-trebuie-sa-stii","title":{"rendered":"Vulnerabilitate major\u0103 WhatsApp: ce trebuie s\u0103 \u0219tii"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">Cuprins:<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.interlink.ro\/blog\/vulnerabilitate-majora-whatsapp-ce-trebuie-sa-stii\/#Ce_s-a_intamplat_cu_WhatsApp\" >Ce s-a \u00eent\u00e2mplat cu WhatsApp?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.interlink.ro\/blog\/vulnerabilitate-majora-whatsapp-ce-trebuie-sa-stii\/#De_ce_aceasta_vulnerabilitate_este_o_problema_grava\" >De ce aceast\u0103 vulnerabilitate este o problem\u0103 grav\u0103?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.interlink.ro\/blog\/vulnerabilitate-majora-whatsapp-ce-trebuie-sa-stii\/#Ce_spune_Meta_si_ce_s-a_remediat\" >Ce spune Meta \u0219i ce s-a remediat?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.interlink.ro\/blog\/vulnerabilitate-majora-whatsapp-ce-trebuie-sa-stii\/#Probleme_suplimentare_criptarea_si_securitatea\" >Probleme suplimentare: criptarea \u0219i securitatea<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.interlink.ro\/blog\/vulnerabilitate-majora-whatsapp-ce-trebuie-sa-stii\/#De_ce_este_folosit_numarul_de_telefon_ca_identificator\" >De ce este folosit num\u0103rul de telefon ca identificator?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.interlink.ro\/blog\/vulnerabilitate-majora-whatsapp-ce-trebuie-sa-stii\/#Cum_iti_protejezi_datele_pe_WhatsApp\" >Cum \u00ee\u021bi protejezi datele pe WhatsApp?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.interlink.ro\/blog\/vulnerabilitate-majora-whatsapp-ce-trebuie-sa-stii\/#O_vulnerabilitate_cu_risc_major\" >O vulnerabilitate cu risc major<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Timp de citit: <\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>\n<p>WhatsApp, una dintre cele mai folosite aplica\u021bii de mesagerie din lume, se confrunt\u0103 cu o problem\u0103 grav\u0103 de securitate care a expus <strong>3,5 miliarde de numere de telefon<\/strong> ale utilizatorilor din \u00eentreaga lume. O echip\u0103 de cercet\u0103tori austrieci a descoperit o vulnerabilitate major\u0103. Printr-o metod\u0103 extrem de simpl\u0103 &#8211; introducerea automat\u0103 a unui num\u0103r mare de combina\u021bii de numere de telefon \u00een sistemul de <em>contact discovery<\/em> &#8211; se poate afla dac\u0103 un num\u0103r folose\u0219te WhatsApp, precum \u0219i profilul public al utilizatorului: poz\u0103, nume \u0219i textul din profil.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Ce_s-a_intamplat_cu_WhatsApp\"><\/span>Ce s-a \u00eent\u00e2mplat cu WhatsApp?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>WhatsApp permite ad\u0103ugarea rapid\u0103 a unui contact: introduci num\u0103rul de telefon, iar aplica\u021bia \u00ee\u021bi arat\u0103 dac\u0103 persoana folose\u0219te platforma \u0219i ce informa\u021bii publice are. Acela\u0219i mecanism, folosit la scar\u0103 uria\u0219\u0103, a devenit \u00eens\u0103 o <strong>metod\u0103 de colectare a datelor personale<\/strong>.<\/p>\n\n\n\n<p>Cercet\u0103torii de la Universitatea din Viena au introdus <strong>zeci de miliarde de combina\u021bii de numere<\/strong>, iar <a href=\"https:\/\/github.com\/sbaresearch\/whatsapp-census\/blob\/main\/Hey_there_You_are_using_WhatsApp.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">rezultatul<\/a> a fost \u0219ocant:<\/p>\n\n\n\n<ul><li>3,5 miliarde de numere de telefon extrase<\/li><li>57% dintre profiluri aveau fotografii publice<\/li><li>29% aveau text public \u00een zona  de status &#8220;about&#8221;.<\/li><\/ul>\n\n\n\n<p>Ei au reu\u0219it s\u0103 verifice aproximativ <strong>100 de milioane de numere pe or\u0103<\/strong>, f\u0103r\u0103 ca WhatsApp s\u0103 limiteze aceste cereri. Aceast\u0103 lips\u0103 de limitare a permis ob\u021binerea unei baze de date gigantice cu utilizatori reali.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"De_ce_aceasta_vulnerabilitate_este_o_problema_grava\"><\/span>De ce aceast\u0103 vulnerabilitate este o problem\u0103 grav\u0103?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Expunerea numerelor de telefon poate facilita:<\/p>\n\n\n\n<ul><li>atacuri de phishing \u0219i scam<\/li><li>monitorizarea utilizatorilor din \u021b\u0103ri unde WhatsApp este interzis<\/li><li>identificarea persoanelor prin recunoa\u0219tere facial\u0103 folosind pozele de profil<\/li><li>crearea de baze de date pentru v\u00e2nz\u0103ri sau spam<\/li><\/ul>\n\n\n\n<p>De exemplu, cercet\u0103torii au g\u0103sit <strong>2,3 milioane de utilizatori \u00een China<\/strong> \u0219i <strong>1,6 milioane \u00een Myanmar<\/strong>, de\u0219i WhatsApp este interzis oficial \u00een aceste state. Autorit\u0103\u021bile ar fi putut folosi datele pentru a identifica utilizatori &#8220;ilegali&#8221;.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Ce_spune_Meta_si_ce_s-a_remediat\"><\/span>Ce spune Meta \u0219i ce s-a remediat?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Meta (compania-mam\u0103 WhatsApp) a fost informat\u0103 \u00een aprilie 2024. Abia \u00een octombrie au fost implementate m\u0103suri mai stricte de control al traficului (<a href=\"https:\/\/en.wikipedia.org\/wiki\/Rate_limiting\" target=\"_blank\" rel=\"noreferrer noopener\">rate-limiting<\/a>). Meta a afirmat c\u0103 nu exist\u0103 dovezi c\u0103 acest exploit a fost folosit \u00een scopuri malicioase.<\/p>\n\n\n\n<p>Totu\u0219i, cercet\u0103torii afirm\u0103 c\u0103 <strong>nu au \u00eent\u00e2lnit nicio protec\u021bie real\u0103<\/strong> \u0219i c\u0103 problema era cunoscut\u0103 din 2017. Atunci, un alt cercet\u0103tor a raportat aceea\u0219i vulnerabilitate dar Meta nu a considerat-o eligibil\u0103 pentru <a href=\"https:\/\/en.wikipedia.org\/wiki\/Bug_bounty_program\" target=\"_blank\" rel=\"noreferrer noopener\">bug bounty<\/a>.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Probleme_suplimentare_criptarea_si_securitatea\"><\/span>Probleme suplimentare: criptarea \u0219i securitatea<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Pe l\u00e2ng\u0103 numerele de telefon, au fost analizate \u0219i <strong>cheile criptografice ale conturilor WhatsApp<\/strong>. Au fost g\u0103site:<\/p>\n\n\n\n<ul><li>chei duplicate folosite de mai multe conturi<\/li><li>20 de numere din SUA cu o cheie &#8220;zero&#8221; &#8211; extrem de suspect<\/li><li>indicii c\u0103 anumite aplica\u021bii WhatsApp neoficiale pot avea criptare defectuoas\u0103<\/li><\/ul>\n\n\n\n<p>Aceste date pot indica activit\u0103\u021bi ilegale sau tentative de fraud\u0103 \u00een mas\u0103.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"De_ce_este_folosit_numarul_de_telefon_ca_identificator\"><\/span>De ce este folosit num\u0103rul de telefon ca identificator?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Cercet\u0103torii subliniaz\u0103 un aspect crucial: numerele de telefon nu sunt suficient de &#8220;aleatorii&#8221; pentru a servi ca identificatori siguri. Dac\u0103 un serviciu are peste o treime din popula\u021bia lumii ca utilizatori, folosirea num\u0103rului de telefon drept ID devine un risc. WhatsApp testeaz\u0103 deja op\u021biunea de <a href=\"https:\/\/wabetainfo.com\/whatsapp-is-working-on-a-new-username-reservation-system-for-upcoming-early-access\/\" target=\"_blank\" rel=\"noreferrer noopener\">username<\/a>, care ar putea fi o solu\u021bie mai sigur\u0103.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Cum_iti_protejezi_datele_pe_WhatsApp\"><\/span>Cum \u00ee\u021bi protejezi datele pe WhatsApp?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>Intr\u0103 \u00een Set\u0103ri \u2192 Confiden\u021bialitate \u0219i modific\u0103:<\/strong><\/p>\n\n\n\n<ul><li>Cine poate vedea poza de profil \u2192 <em>Doar contactele<\/em><\/li><li>Cine poate vedea statusul &#8220;about&#8221; \u2192 <em>Doar contactele<\/em><\/li><li>Dezactiveaz\u0103 &#8220;Last Seen&#8221; \u0219i &#8220;Online&#8221; pentru necunoscu\u021bi<\/li><li>Nu folosi aplica\u021bii WhatsApp neoficiale.<\/li><\/ul>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"O_vulnerabilitate_cu_risc_major\"><\/span>O vulnerabilitate cu risc major<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Aceast\u0103 vulnerabilitate este unul dintre <strong>cele mai mari riscuri de expunere a datelor personale din istorie<\/strong>. Chiar dac\u0103 Meta a remediat problema, nu exist\u0103 garan\u021bia c\u0103 al\u021bi actori nu au profitat deja de ea. Siguran\u021ba digital\u0103 depinde, \u00een final, de op\u021biunile noastre de confiden\u021bialitate.<\/p>\n\n\n\n<p><strong>Protejeaz\u0103-\u021bi profilul. Verific\u0103 set\u0103rile acum.<\/strong><\/p>\n\n\n\n<p>Surse: <a href=\"https:\/\/www.wired.com\/story\/a-simple-whatsapp-security-flaw-exposed-billions-phone-numbers\/\" target=\"_blank\" rel=\"noreferrer noopener\">wired.com<\/a>, <a href=\"https:\/\/github.com\/sbaresearch\/whatsapp-census\" target=\"_blank\" rel=\"noreferrer noopener\">github.com<\/a><\/p>\n\t<div class=\"quickshare-container\">\r\n\t<ul class=\"quickshare-icons quickshare-effect-expand quickshare-small\">\r\n\t\t<li class=\"quickshare-share\">Distribuie:<\/li> \r\n\t\t<li><a href=\"https:\/\/facebook.com\/sharer.php?u=https%3A%2F%2Fwww.interlink.ro%2Fblog%2Fvulnerabilitate-majora-whatsapp-ce-trebuie-sa-stii&amp;t=Vulnerabilitate+major%C4%83+WhatsApp%3A+ce+trebuie+s%C4%83+%C8%99tii+<+Blog+Interlink\" target=\"_blank\" title=\"Share on Facebook\"><span class=\"quickshare-facebook\">Facebook<\/span><\/a><\/li>\t\t<li><a 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2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>WhatsApp, una dintre cele mai folosite aplica\u021bii de mesagerie din lume, se confrunt\u0103 cu o problem\u0103 grav\u0103 de securitate care a expus 3,5 miliarde de numere de telefon ale utilizatorilor din \u00eentreaga lume. O echip\u0103 de cercet\u0103tori austrieci a descoperit o vulnerabilitate major\u0103. Printr-o metod\u0103 extrem de simpl\u0103 &#8211; introducerea automat\u0103 a unui num\u0103r mare &hellip; <a href=\"https:\/\/www.interlink.ro\/blog\/vulnerabilitate-majora-whatsapp-ce-trebuie-sa-stii\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Vulnerabilitate major\u0103 WhatsApp: ce trebuie s\u0103 \u0219tii<\/span><\/a><\/p>\n","protected":false},"author":11805,"featured_media":4885,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[2708,3111,3534,1633],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Vulnerabilitate major\u0103 WhatsApp: ce trebuie s\u0103 \u0219tii - Interlink.ro<\/title>\n<meta name=\"description\" content=\"O echip\u0103 de cercet\u0103tori austrieci a descoperit o vulnerabilitate WhatsApp major\u0103, cu mare risc de expunere a datelor personale.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.interlink.ro\/blog\/vulnerabilitate-majora-whatsapp-ce-trebuie-sa-stii\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vulnerabilitate major\u0103 WhatsApp: ce trebuie s\u0103 \u0219tii - 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