{"id":21851,"date":"2025-03-26T20:28:21","date_gmt":"2025-03-26T18:28:21","guid":{"rendered":"https:\/\/masterbase.com\/es\/es\/es\/?p=21851"},"modified":"2025-03-26T20:31:01","modified_gmt":"2025-03-26T18:31:01","slug":"cyberbezpieczenstwo-e-mail-jak-uniknac-atakow-phishingowych-zlosliwego-oprogramowania-i-oszustw-dzieki-zaawansowanemu-uwierzytelnianiu","status":"publish","type":"post","link":"https:\/\/masterbase.com\/pl\/ciberseguridad-en-correos-electronicos-como-evitar-ataques-de-phishing-malware-y-fraudes-con-autenticacion-avanzada\/masterbase\/","title":{"rendered":"Cyberbezpiecze\u0144stwo poczty e-mail: jak zapobiega\u0107 atakom phishingowym, z\u0142o\u015bliwemu oprogramowaniu i oszustwom dzi\u0119ki zaawansowanemu uwierzytelnianiu"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Ponad 90% cyberatak\u00f3w rozpoczyna si\u0119 od z\u0142o\u015bliwej wiadomo\u015bci e-mail, phishingu, z\u0142o\u015bliwego oprogramowania lub ukierunkowanego oszustwa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Istnieje jednak spos\u00f3b na zwi\u0119kszenie bezpiecze\u0144stwa poczty e-mail i zminimalizowanie tego ryzyka: <strong>zaawansowane uwierzytelnianie<\/strong>. Protoko\u0142y takie jak <strong>SPF, DKIM i DMARC<\/strong> Chroni\u0105 one firmy przed oszustwami i phishingiem, a tak\u017ce poprawiaj\u0105 dostarczalno\u015b\u0107 legalnych wiadomo\u015bci e-mail, zapewniaj\u0105c, \u017ce docieraj\u0105 one do skrzynki odbiorczej, a nie do folderu spamu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">W tym artykule zbadamy <strong>g\u0142\u00f3wne zagro\u017cenia zwi\u0105zane z poczt\u0105 elektroniczn\u0105, kluczowa rola uwierzytelniania oraz spos\u00f3b dzia\u0142ania MasterBase\u00ae w celu zapewnienia bezpiecze\u0144stwa i skuteczno\u015bci przesy\u0142ek biznesowych<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Najcz\u0119stsze zagro\u017cenia zwi\u0105zane z poczt\u0105 e-mail<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\udce9<\/strong><strong> 1) Phishing: najcz\u0119stsze oszustwo<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Phishing to metoda ataku, w kt\u00f3rej cyberprzest\u0119pcy podszywaj\u0105 si\u0119 pod zaufane firmy lub osoby w celu oszukania u\u017cytkownik\u00f3w i kradzie\u017cy po\u015bwiadcze\u0144 lub poufnych danych.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd39 <strong>Przyk\u0142ad:<\/strong> Wiadomo\u015b\u0107 e-mail, kt\u00f3ra wydaje si\u0119 pochodzi\u0107 z banku i prosi o zaktualizowanie danych logowania za pomoc\u0105 fa\u0142szywego linku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83c\udfaf<\/strong><strong> 2) Spear Phishing: ataki ukierunkowane<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">W przeciwie\u0144stwie do masowego phishingu, spear phishing jest ukierunkowany na konkretne osoby i wykorzystuje spersonalizowane informacje, aby oszustwo by\u0142o bardziej przekonuj\u0105ce.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd39 <strong>Przyk\u0142ad:<\/strong> Pracownik otrzymuje fa\u0142szyw\u0105 wiadomo\u015b\u0107 e-mail, w kt\u00f3rej CEO rzekomo prosi o pilne przelewy lub dost\u0119p do poufnych informacji.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\udcbc<\/strong><strong> 3. Business Email Compromise (BEC): Oszustwa korporacyjne<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Atakuj\u0105cy atakuj\u0105 legalne firmowe konto e-mail i wykorzystuj\u0105 je do wysy\u0142ania fa\u0142szywych instrukcji do pracownik\u00f3w lub dostawc\u00f3w.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd39 <strong>Przyk\u0142ad:<\/strong> Cyberprzest\u0119pca podszywa si\u0119 pod dzia\u0142 finansowy i wysy\u0142a wiadomo\u015b\u0107 e-mail z pro\u015bb\u0105 o dokonanie p\u0142atno\u015bci na fa\u0142szywe konto.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83e\udda0<\/strong><strong> 4. Z\u0142o\u015bliwe oprogramowanie i oprogramowanie ransomware w za\u0142\u0105cznikach<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wiele atak\u00f3w rozpoczyna si\u0119 od pozornie nieszkodliwego za\u0142\u0105cznika, kt\u00f3ry po otwarciu instaluje z\u0142o\u015bliwe oprogramowanie lub oprogramowanie ransomware w systemie ofiary.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd39 <strong>Przyk\u0142ad:<\/strong> Pracownik otrzymuje plik Word zawieraj\u0105cy z\u0142o\u015bliwe makra, kt\u00f3re instaluj\u0105 oprogramowanie ransomware w sieci firmowej.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Kluczowa rola SPF, DKIM i DMARC w bezpiecze\u0144stwie poczty elektronicznej<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Aby ograniczy\u0107 to ryzyko, konieczne jest <strong>uwierzytelnianie wiadomo\u015bci e-mail i zapobieganie podszywaniu si\u0119 os\u00f3b trzecich pod domeny firmowe<\/strong>. W tym miejscu do gry wchodz\u0105 trzy kluczowe protoko\u0142y:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\udd39<\/strong><strong> SPF (Sender Policy Framework): Pierwszy filtr zaufania<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SPF uniemo\u017cliwia cyberprzest\u0119pcom wysy\u0142anie wiadomo\u015bci e-mail z fa\u0142szywej domeny poprzez weryfikacj\u0119, kt\u00f3re serwery s\u0105 upowa\u017cnione do wysy\u0142ania wiadomo\u015bci e-mail w imieniu firmy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd39 <strong>Przyk\u0142ad:<\/strong> Je\u015bli otrzymasz wiadomo\u015b\u0107 e-mail z domeny swojego banku, SPF sprawdza, czy zosta\u0142a ona faktycznie wys\u0142ana z autoryzowanego serwera.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\udd39<\/strong><strong> DKIM (DomainKeys Identified Mail): cyfrowy podpis wiadomo\u015bci e-mail.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DKIM dodaje warstw\u0119 bezpiecze\u0144stwa poprzez do\u0142\u0105czenie unikalnego podpisu cyfrowego do ka\u017cdej wys\u0142anej wiadomo\u015bci e-mail, zapewniaj\u0105c, \u017ce wiadomo\u015b\u0107 nie zosta\u0142a zmieniona podczas przesy\u0142ania.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd39 <strong>Przyk\u0142ad:<\/strong> Je\u015bli haker spr\u00f3buje zmodyfikowa\u0107 wiadomo\u015b\u0107 e-mail w drodze do skrzynki odbiorczej, DKIM wykryje to i zablokuje.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\udd39<\/strong><strong> DMARC (Domain-based Message Authentication, Reporting &amp; Conformance): ostatnia linia obrony<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DMARC opiera si\u0119 na SPF i DKIM, aby zdecydowa\u0107, jak traktowa\u0107 podejrzane wiadomo\u015bci e-mail i zapobiega\u0107 atakom typu phishing i spoofing. Zapewnia r\u00f3wnie\u017c raporty o pr\u00f3bach phishingu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd39 <strong>Przyk\u0142ad:<\/strong> Je\u015bli atakuj\u0105cy spr\u00f3buje wys\u0142a\u0107 fa\u0142szywe wiadomo\u015bci e-mail z domeny firmowej, DMARC mo\u017ce odrzuci\u0107 te wiadomo\u015bci lub oznaczy\u0107 je jako spam.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Przyk\u0142ad spoofingu adresu e-mail<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><strong>Bez odpowiednich zabezpiecze\u0144, takich jak SPF, DKIM i DMARC, niezwykle \u0142atwo jest sfa\u0142szowa\u0107 wiadomo\u015b\u0107 e-mail i udawa\u0107, \u017ce pochodzi ona od legalnej i godnej zaufania firmy.<\/strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Udokumentowany przypadek pokazuje, co nast\u0119puje:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zidentyfikowano jedn\u0105 znan\u0105 firm\u0119 lotnicz\u0105 (Dassault-Aviation), kt\u00f3ra nie mia\u0142a skonfigurowanego protoko\u0142u DMARC.<\/li>\n\n\n\n<li>Mo\u017cna by\u0142o publicznie dowiedzie\u0107 si\u0119, kto jest dyrektorem generalnym i jaki jest zwyk\u0142y format korporacyjnych adres\u00f3w e-mail.<\/li>\n\n\n\n<li>Dzi\u0119ki tym informacjom wygenerowano fa\u0142szyw\u0105 wiadomo\u015b\u0107 e-mail z adresu na\u015bladuj\u0105cego adres cz\u0142onka Komitetu Wykonawczego. Wiadomo\u015b\u0107 zosta\u0142a pomy\u015blnie wys\u0142ana i odebrana, nie zosta\u0142a zablokowana ani oznaczona jako podejrzana.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Czy SPF, DKIM i DMARC mog\u0105 ca\u0142kowicie zapobiec phishingowi? Nie ca\u0142kowicie.<\/strong><br>Nadal mo\u017cliwe jest oszukiwanie u\u017cytkownik\u00f3w poprzez u\u017cywanie wizualnie podobnych adres\u00f3w (np. customer-amazon.com, Linkedln.com z ma\u0142\u0105 liter\u0105 \"L\" zamiast \"i\" lub service-dashlane.com). R\u00f3\u017cnice te s\u0105 trudne do wykrycia go\u0142ym okiem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jednak\u017ce, <strong>SPF, DKIM i DMARC uniemo\u017cliwiaj\u0105 atakuj\u0105cym wysy\u0142anie poczty przy u\u017cyciu prawdziwej domeny firmy bez autoryzacji.<\/strong>Pozwala to unikn\u0105\u0107 bezpo\u015bredniego podszywania si\u0119 i chroni reputacj\u0119 marki.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Technologie te maj\u0105 kluczowe znaczenie dla budowania bezpieczniejszego \u015brodowiska cyfrowego. Bez nich atakuj\u0105cy mog\u0105 \u0142atwo wykorzysta\u0107 zaufanie do marki, aby oszuka\u0107 pracownik\u00f3w, klient\u00f3w lub partner\u00f3w.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>MasterBase\u00ae i bezpiecze\u0144stwo poczty e-mail<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Przy <strong>MasterBase\u00ae<\/strong>Rozumiemy, \u017ce uwierzytelnianie wiadomo\u015bci e-mail jest niezb\u0119dne do ochrony naszych klient\u00f3w przed atakami i poprawy dostarczalno\u015bci ich kampanii.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2714 <strong>Od wszystkich naszych klient\u00f3w wymagamy prawid\u0142owej konfiguracji SPF, DKIM i DMARC.<\/strong> przed wys\u0142aniem, zapewniaj\u0105c, \u017ce wiadomo\u015bci e-mail s\u0105 legalne i dotr\u0105 do skrzynki odbiorczej.<br>\u2714 <strong>Zapewniamy szczeg\u00f3\u0142owe wsparcie i wskaz\u00f3wki<\/strong> aby pom\u00f3c naszym klientom skonfigurowa\u0107 te protoko\u0142y w prosty spos\u00f3b.<br>\u2714 <strong>Stale monitorujemy pr\u00f3by phishingu.<\/strong> w celu zwi\u0119kszenia bezpiecze\u0144stwa i zapobiegania oszustwom.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Je\u015bli jeste\u015b klientem MasterBase\u00ae, skontaktuj si\u0119 ze swoim <strong>Customer Success Manager<\/strong> aby upewni\u0107 si\u0119, \u017ce domena jest odpowiednio uwierzytelniona i chroniona.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Najlepsze praktyki ochrony skrzynki odbiorczej<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Opr\u00f3cz uwierzytelniania istniej\u0105 dodatkowe \u015brodki, kt\u00f3re mo\u017cna podj\u0105\u0107, aby nie pa\u015b\u0107 ofiar\u0105 atak\u00f3w e-mailowych:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd39 <strong>Nie otwieraj wiadomo\u015bci e-mail od nieznanych nadawc\u00f3w.<\/strong><br>\ud83d\udd39 <strong>Zawsze sprawdzaj linki przed klikni\u0119ciem.<\/strong><br>\ud83d\udd39 <strong>W\u0142\u0105cz uwierzytelnianie wielosk\u0142adnikowe (MFA) na wszystkich swoich kontach.<\/strong><br>\ud83d\udd39 <strong>Przeszkol swoich pracownik\u00f3w w zakresie wykrywania phishingu.<\/strong><br>\ud83d\udd39 <strong>U\u017cywaj zaawansowanych rozwi\u0105za\u0144 bezpiecze\u0144stwa do filtrowania z\u0142o\u015bliwych wiadomo\u015bci e-mail.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Wnioski<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Poczta elektroniczna pozostaje jednym z g\u0142\u00f3wnych wektor\u00f3w atak\u00f3w w cyberbezpiecze\u0144stwie, ale <strong>z zaawansowanym uwierzytelnianiem i dobrymi praktykami bezpiecze\u0144stwa<\/strong>ryzyko mo\u017cna zminimalizowa\u0107.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SPF, DKIM i DMARC nie tylko chroni\u0105 przed oszustwami i kradzie\u017c\u0105 to\u017csamo\u015bci, ale tak\u017ce <strong>poprawi\u0107 reputacj\u0119 i dostarczalno\u015b\u0107 legalnych mailing\u00f3w<\/strong>. Przy <strong>MasterBase\u00ae, zapewniamy, \u017ce ka\u017cda wys\u0142ana wiadomo\u015b\u0107 e-mail spe\u0142nia nast\u0119puj\u0105ce standardy<\/strong>Gwarantujemy bezpiecze\u0144stwo i skuteczno\u015b\u0107 kampanii naszych klient\u00f3w.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nie pozw\u00f3l cyberprzest\u0119pcom przej\u0105\u0107 kontroli nad Twoj\u0105 skrzynk\u0105 odbiorcz\u0105. <strong>Chro\u0144 swoj\u0105 poczt\u0119 e-mail dzi\u0119ki zaawansowanemu uwierzytelnianiu i wzmocnij bezpiecze\u0144stwo swojej firmy.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><a href=\"https:\/\/masterbase.com\/pl\/es\/es\/lp-mba-labs\/\"><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"220\" data-attachment-id=\"20466\" data-permalink=\"https:\/\/masterbase.com\/pl\/mb\/labs\/\" data-orig-file=\"https:\/\/i0.wp.com\/masterbase.com\/wp-content\/uploads\/2025\/01\/labs.png?fit=1280%2C351&amp;ssl=1\" data-orig-size=\"1280,351\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"MB Labs\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/masterbase.com\/wp-content\/uploads\/2025\/01\/labs.png?fit=800%2C220&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/masterbase.com\/es\/es\/es\/wp-content\/uploads\/2025\/01\/labs-1024x281.png?resize=800%2C220&#038;ssl=1\" alt=\"MB Labs\" class=\"wp-image-20466\" srcset=\"https:\/\/i0.wp.com\/masterbase.com\/wp-content\/uploads\/2025\/01\/labs.png?resize=1024%2C281&amp;ssl=1 1024w, https:\/\/i0.wp.com\/masterbase.com\/wp-content\/uploads\/2025\/01\/labs.png?resize=300%2C82&amp;ssl=1 300w, https:\/\/i0.wp.com\/masterbase.com\/wp-content\/uploads\/2025\/01\/labs.png?resize=768%2C211&amp;ssl=1 768w, https:\/\/i0.wp.com\/masterbase.com\/wp-content\/uploads\/2025\/01\/labs.png?resize=18%2C5&amp;ssl=1 18w, https:\/\/i0.wp.com\/masterbase.com\/wp-content\/uploads\/2025\/01\/labs.png?w=1280&amp;ssl=1 1280w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Poczta elektroniczna pozostaje jednym z g\u0142\u00f3wnych kana\u0142\u00f3w komunikacji w firmach, dlatego tak wa\u017cne jest zapewnienie jej bezpiecze\u0144stwa. <\/p>","protected":false},"author":239642484,"featured_media":21869,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[1391],"tags":[],"class_list":["post-21851","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciberseguridad"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - 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