{"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":"elektroninio-pasto-kibernetinis-saugumas-kaip-isvengti-sukciavimo-ataku-kenkejisku-programu-ir-sukciavimo-naudojant-pazangu-autentifikavima","status":"publish","type":"post","link":"https:\/\/masterbase.com\/lt\/ciberseguridad-en-correos-electronicos-como-evitar-ataques-de-phishing-malware-y-fraudes-con-autenticacion-avanzada\/masterbase\/","title":{"rendered":"Kibernetinis el. pa\u0161to saugumas: kaip i\u0161vengti suk\u010diavimo atak\u0173, kenk\u0117ji\u0161k\u0173 program\u0173 ir suk\u010diavimo naudojant pa\u017eang\u0173 autenti\u0161kumo nustatym\u0105"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Daugiau nei 90% kibernetini\u0173 atak\u0173 prasideda nuo kenk\u0117ji\u0161ko elektroninio lai\u0161ko - suk\u010diavimo, kenk\u0117ji\u0161k\u0173 program\u0173 arba tikslinio suk\u010diavimo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ta\u010diau yra b\u016bdas sustiprinti el. pa\u0161to saugum\u0105 ir suma\u017einti \u0161i\u0105 rizik\u0105: <strong>i\u0161pl\u0117stinis autentifikavimas<\/strong>. Protokolai, pvz. <strong>SPF, DKIM ir DMARC<\/strong> Jos apsaugo \u012fmones nuo suk\u010diavimo ir suk\u010diavimo apgaule, taip pat pagerina teis\u0117t\u0173 el. lai\u0161k\u0173 pristatomum\u0105, u\u017etikrindamos, kad jie pasiekt\u0173 pa\u0161to d\u0117\u017eut\u0119, o ne \u0161lam\u0161to aplank\u0105.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160iame straipsnyje nagrin\u0117sime <strong>pagrindines el. pa\u0161to gr\u0117smes, pagrindin\u012f autenti\u0161kumo nustatymo vaidmen\u012f ir kaip MasterBase\u00ae u\u017etikrina verslo lai\u0161k\u0173 saugum\u0105 ir veiksmingum\u0105.<\/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>Da\u017eniausiai pasitaikan\u010dios el. pa\u0161to gr\u0117sm\u0117s<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\udce9<\/strong><strong> 1. \"Phishing\": labiausiai paplitusi apgaul\u0117<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\"Phishing\" - tai atakos b\u016bdas, kai kibernetiniai nusikalt\u0117liai apsimeta patikimomis \u012fmon\u0117mis ar asmenimis, kad apgaut\u0173 naudotojus ir priverst\u0173 juos pavogti prisijungimo duomenis ar slaptus duomenis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd39 <strong>Pavyzdys:<\/strong> El. lai\u0161kas, kuris atrodo kaip i\u0161 banko ir kuriame pra\u0161oma atnaujinti prisijungimo duomenis naudojant apgauling\u0105 nuorod\u0105.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83c\udfaf<\/strong><strong> 2. \"Spear Phishing\": tikslin\u0117s atakos<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Skirtingai nei masin\u0117s apgaul\u0117s atveju, \"spear phishing\" nukreiptas \u012f konkre\u010dius asmenis ir naudoja asmenin\u0119 informacij\u0105, kad apgaul\u0117 b\u016bt\u0173 \u012ftikinamesn\u0117.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd39 <strong>Pavyzdys:<\/strong> Darbuotojas gauna suklastot\u0105 el. lai\u0161k\u0105, kuriame generalinis direktorius tariamai pra\u0161o skubiai pervesti arba suteikti prieig\u0105 prie konfidencialios informacijos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\udcbc<\/strong><strong> 3. Verslo elektroninio pa\u0161to pa\u017eeidimai (BEC): \u012fmoni\u0173 suk\u010diavimas<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">U\u017epuolikai k\u0117sinasi \u012f teis\u0117t\u0105 \u012fmon\u0117s el. pa\u0161to paskyr\u0105 ir naudoja j\u0105 si\u0173sdami apgaulingus nurodymus darbuotojams ar tiek\u0117jams.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd39 <strong>Pavyzdys:<\/strong> Kibernetinis nusikalt\u0117lis apsimeta finans\u0173 skyriaus darbuotoju ir i\u0161siun\u010dia el. lai\u0161k\u0105 su pra\u0161ymu atlikti mok\u0117jim\u0105 \u012f apgauling\u0105 s\u0105skait\u0105.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83e\udda0<\/strong><strong> 4. Kenk\u0117ji\u0161ka programin\u0117 \u012franga ir i\u0161pirkos reikalaujanti programin\u0117 \u012franga prieduose<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Daugelis atak\u0173 prasideda nuo i\u0161 pa\u017ei\u016bros nekenksmingo priedo, kur\u012f atidarius \u012f aukos sistem\u0105 \u012fdiegiama kenk\u0117ji\u0161ka programin\u0117 \u012franga arba i\u0161pirkos reikalaujanti programin\u0117 \u012franga.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd39 <strong>Pavyzdys:<\/strong> Darbuotojas gauna \"Word\" fail\u0105 su kenk\u0117ji\u0161komis makrokomandomis, kurios \u012fmon\u0117s tinkle \u012fdiegia i\u0161pirkos reikalaujan\u010di\u0105 programin\u0119 \u012frang\u0105.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Svarbiausias SPF, DKIM ir DMARC vaidmuo el. pa\u0161to saugumui<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Norint suma\u017einti \u0161i\u0105 rizik\u0105, b\u016btina <strong>patvirtinti el. lai\u0161k\u0173 autenti\u0161kum\u0105 ir neleisti tre\u010diosioms \u0161alims suklastoti \u012fmon\u0117s domen\u0173.<\/strong>. \u010cia svarb\u016bs trys pagrindiniai protokolai:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\udd39<\/strong><strong> SPF (Sender Policy Framework): pirmasis pasitik\u0117jimo filtras<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SPF neleid\u017eia kibernetiniams nusikalt\u0117liams si\u0173sti el. lai\u0161k\u0173 i\u0161 suklastoto domeno, nes tikrina, kurie serveriai yra \u012fgalioti si\u0173sti el. lai\u0161kus \u012fmon\u0117s vardu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd39 <strong>Pavyzdys:<\/strong> Jei gaunate el. lai\u0161k\u0105 i\u0161 banko domeno, SPF patikrina, ar jis i\u0161 tikr\u0173j\u0173 buvo i\u0161si\u0173stas i\u0161 autorizuoto serverio.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\udd39<\/strong><strong> DKIM (DomainKeys Identified Mail): elektroninio pa\u0161to skaitmeninis para\u0161as.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DKIM suteikia papildom\u0105 saugumo lyg\u012f, nes prie kiekvieno siun\u010diamo el. lai\u0161ko pridedamas unikalus skaitmeninis para\u0161as, u\u017etikrinantis, kad siun\u010diant lai\u0161k\u0105 jis nebuvo pakeistas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd39 <strong>Pavyzdys:<\/strong> Jei \u012fsilau\u017e\u0117lis bando modifikuoti el. lai\u0161k\u0105 pakeliui \u012f j\u016bs\u0173 el. pa\u0161to d\u0117\u017eut\u0119, DKIM j\u012f aptinka ir blokuoja.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\udd39<\/strong><strong> DMARC (domeno prane\u0161im\u0173 autenti\u0161kumo nustatymas, ataskait\u0173 teikimas ir atitiktis): paskutin\u0117 gynybos linija<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DMARC remiasi SPF ir DKIM, kad nuspr\u0119st\u0173, kaip elgtis su \u012ftartinais el. pa\u0161to lai\u0161kais, ir u\u017ekirst\u0173 keli\u0105 suk\u010diavimo ir klastojimo atakoms. Ji taip pat teikia ataskaitas apie bandymus suk\u010diauti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd39 <strong>Pavyzdys:<\/strong> Jei u\u017epuolikas bando si\u0173sti netikrus el. lai\u0161kus i\u0161 \u012fmon\u0117s domeno, DMARC gali juos atmesti arba pa\u017eym\u0117ti kaip \u0161lam\u0161t\u0105.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>El. pa\u0161to adreso suklastojimo pavyzdys<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><strong>Be tinkam\u0173 apsaugos priemoni\u0173, toki\u0173 kaip SPF, DKIM ir DMARC, labai lengva suklastoti el. lai\u0161k\u0105 ir apsimesti, kad jis siun\u010diamas i\u0161 teis\u0117tos ir patikimos \u012fmon\u0117s.<\/strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dokumentuotas atvejis rodo, kad:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Buvo nustatyta viena gerai \u017einoma aviacijos ir kosmoso bendrov\u0117 (\"Dassault-Aviation\"), kurioje nebuvo sukonfig\u016bruotas DMARC protokolas.<\/li>\n\n\n\n<li>Buvo galima vie\u0161ai su\u017einoti, kas yra generalinis direktorius ir koks yra \u012fprastas \u012fmoni\u0173 el. pa\u0161to adres\u0173 formatas.<\/li>\n\n\n\n<li>Turint \u0161i\u0105 informacij\u0105, i\u0161 adreso, imituojan\u010dio Vykdomojo komiteto nario adres\u0105, buvo sukurtas netikras el. lai\u0161kas. Lai\u0161kas buvo s\u0117kmingai i\u0161si\u0173stas ir gautas, neu\u017eblokuotas ir nepa\u017eym\u0117tas kaip \u012ftartinas.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ar SPF, DKIM ir DMARC gali visi\u0161kai apsaugoti nuo suk\u010diavimo? Ne visi\u0161kai.<\/strong><br>Vis dar \u012fmanoma apgauti naudotojus naudojant vizualiai pana\u0161ius adresus (pvz., customer-amazon.com, Linkedln.com su ma\u017e\u0105ja raide \"L\" vietoj \"i\" arba service-dashlane.com). \u0160iuos variantus sunku aptikti plika akimi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ta\u010diau, <strong>SPF, DKIM ir DMARC u\u017ekerta keli\u0105 \u012fsilau\u017e\u0117liams si\u0173sti lai\u0161kus naudojant tikr\u0105j\u012f \u012fmon\u0117s domen\u0105 be leidimo.<\/strong>Taip i\u0161vengiama tiesioginio apsimetin\u0117jimo ir apsaugoma prek\u0117s \u017eenklo reputacija.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160ios technologijos yra labai svarbios kuriant saugesn\u0119 skaitmenin\u0119 aplink\u0105. Be j\u0173 \u012fsilau\u017e\u0117liai gali lengvai pasinaudoti pasitik\u0117jimu prek\u0117s \u017eenklu ir apgauti darbuotojus, klientus ar partnerius.<\/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 ir el. pa\u0161to saugumas<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Svetain\u0117je <strong>MasterBase\u00ae<\/strong>Suprantame, kad el. pa\u0161to autenti\u0161kumo patvirtinimas yra labai svarbus siekiant apsaugoti klientus nuo atak\u0173 ir pagerinti j\u0173 kampanij\u0173 pasiekiamum\u0105.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2714 <strong>Reikalaujame, kad visi m\u016bs\u0173 klientai tinkamai sukonfig\u016bruot\u0173 SPF, DKIM ir DMARC.<\/strong> prie\u0161 i\u0161si\u0173sdami, taip u\u017etikrindami, kad j\u016bs\u0173 el. lai\u0161kai b\u016bt\u0173 teis\u0117ti ir patekt\u0173 \u012f gaunam\u0173j\u0173 lai\u0161k\u0173 d\u0117\u017eut\u0119.<br>\u2714 <strong>Teikiame i\u0161sami\u0105 pagalb\u0105 ir rekomendacijas<\/strong> pad\u0117ti klientams paprastai konfig\u016bruoti \u0161iuos protokolus.<br>\u2714 <strong>Nuolat stebime bandymus suk\u010diauti.<\/strong> sustiprinti saugum\u0105 ir u\u017ekirsti keli\u0105 suk\u010diavimui.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jei esate MasterBase\u00ae klientas, kreipkit\u0117s \u012f savo <strong>Klient\u0173 s\u0117km\u0117s vadybininkas<\/strong> u\u017etikrinti, kad j\u016bs\u0173 domenas b\u016bt\u0173 tinkamai autentifikuotas ir apsaugotas.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Geriausia pa\u0161to d\u0117\u017eut\u0117s apsaugos praktika<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Be autenti\u0161kumo patvirtinimo, galite imtis papildom\u0173 priemoni\u0173, kad netaptum\u0117te el. pa\u0161to atak\u0173 aukomis:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd39 <strong>Neatidarin\u0117kite lai\u0161k\u0173 i\u0161 ne\u017einom\u0173 siunt\u0117j\u0173.<\/strong><br>\ud83d\udd39 <strong>Prie\u0161 spustel\u0117dami visada patikrinkite nuorodas.<\/strong><br>\ud83d\udd39 <strong>Visose paskyrose \u012fjunkite daugiafaktorin\u012f autentifikavim\u0105 (MFA).<\/strong><br>\ud83d\udd39 <strong>Apmokykite darbuotojus aptikti suk\u010diavimo atvejus.<\/strong><br>\ud83d\udd39 <strong>Naudokite pa\u017eangius saugumo sprendimus kenk\u0117ji\u0161kiems el. lai\u0161kams filtruoti.<\/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>I\u0161vada<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Elektroninis pa\u0161tas teb\u0117ra vienas pagrindini\u0173 kibernetinio saugumo atak\u0173 vektori\u0173, ta\u010diau <strong>naudojant pa\u017eang\u0173 autentifikavim\u0105 ir ger\u0105 saugumo praktik\u0105.<\/strong>galima suma\u017einti rizik\u0105.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SPF, DKIM ir DMARC ne tik apsaugo nuo suk\u010diavimo ir tapatyb\u0117s vagys\u010di\u0173, bet ir <strong>pagerinti teis\u0117t\u0173 lai\u0161k\u0173 reputacij\u0105 ir pristatymo galimybes.<\/strong>. Svetain\u0117je <strong>MasterBase\u00ae, u\u017etikriname, kad kiekvienas siun\u010diamas el. lai\u0161kas atitikt\u0173 \u0161iuos standartus<\/strong>Garantuojame savo klient\u0173 kampanij\u0173 saugum\u0105 ir veiksmingum\u0105.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Neleiskite kibernetiniams nusikalt\u0117liams u\u017evaldyti j\u016bs\u0173 pa\u0161to d\u0117\u017eut\u0117s. <strong>Apsaugokite el. pa\u0161t\u0105 naudodami pa\u017eang\u0173 autentifikavim\u0105 ir sustiprinkite savo \u012fmon\u0117s saugum\u0105.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><a href=\"https:\/\/masterbase.com\/lt\/es\/es\/lp-mba-laboratorijos\/\"><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"220\" data-attachment-id=\"20466\" data-permalink=\"https:\/\/masterbase.com\/lt\/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=\"&quot;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>El. pa\u0161tas teb\u0117ra vienas i\u0161 pagrindini\u0173 \u012fmoni\u0173 bendravimo kanal\u0173, tod\u0117l labai svarbu u\u017etikrinti jo saugum\u0105. 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