{"id":1650,"date":"2023-04-03T17:43:22","date_gmt":"2023-04-03T17:43:22","guid":{"rendered":"https:\/\/securitybriefing.net\/?p=1650"},"modified":"2023-04-03T17:43:22","modified_gmt":"2023-04-03T17:43:22","slug":"gepi-tanulasi-technikak-alkalmazasa-a-szamitogepes-kiberbiztonsag-teruleten","status":"publish","type":"post","link":"https:\/\/securitybriefing.net\/hu\/mesterseges-intelligencia\/gepi-tanulasi-technikak-alkalmazasa-a-szamitogepes-kiberbiztonsag-teruleten\/","title":{"rendered":"G\u00e9pi tanul\u00e1si technik\u00e1k alkalmaz\u00e1sa a sz\u00e1m\u00edt\u00f3g\u00e9pes kiberbiztons\u00e1gban"},"content":{"rendered":"<p>Sokat hallani a mesters\u00e9ges intelligenci\u00e1r\u00f3l, k\u00fcl\u00f6n\u00f6sen annak egyik legkiemelked\u0151bb \u00e1g\u00e1r\u00f3l, mint p\u00e9ld\u00e1ul a \u201cg\u00e9pi tanul\u00e1sr\u00f3l\u201d. Azonban a mesters\u00e9ges intelligencia nem \u00faj kelet\u0171; az 50-es \u00e9vek v\u00e9g\u00e9n van vel\u00fcnk, amikor a tud\u00f3sok Darthmoudban tal\u00e1lkoztak, \u00e9s 1956-ban megalkott\u00e1k a kifejez\u00e9st. Ma m\u00e1r hat\u00e1sa sz\u00e1mos szektorra \u00e9s ter\u00fcletre kiterjedt, t\u00f6bbek k\u00f6z\u00f6tt: az aut\u00f3iparra, az energi\u00e1ra, az iparra, a bankszektorra, az eg\u00e9szs\u00e9g\u00fcgyre, a kiberbiztons\u00e1gra \u00e9s a kiberbiztons\u00e1gra.<\/p>\n\n\n\n<p>A g\u00e9pi tanul\u00e1s modellek vagy algoritmusok l\u00e9trehoz\u00e1s\u00e1b\u00f3l \u00e1ll, amelyek elemzik az adatokat, tanulnak bel\u0151l\u00fck, \u00e9s el\u0151rejelzik azok lehets\u00e9ges viselked\u00e9s\u00e9t az id\u0151ben vagy becs\u00fclt helyzetekben. Emiatt a kiberbiztons\u00e1gi ipar sem maradt mentes a technik\u00e1k n\u00f6veked\u00e9s\u00e9t\u0151l, terjeszt\u00e9s\u00e9t\u0151l \u00e9s telep\u00edt\u00e9s\u00e9t\u0151l a sz\u00e1m\u00edt\u00f3g\u00e9pes biztons\u00e1g jav\u00edt\u00e1sa \u00e9rdek\u00e9ben, g\u00e9pi tanul\u00e1si modellek \u00e9s technik\u00e1k alkalmaz\u00e1s\u00e1val, amelyek lehet\u0151v\u00e9 teszik a jelenlegi k\u00f6vetelm\u00e9nyeknek megfelel\u0151bb v\u00e1laszt. Ezek a gyakorlatok jav\u00edtj\u00e1k \u00e9s lehet\u0151v\u00e9 teszik a fenyeget\u00e9sek elemz\u00e9s\u00e9t, \u00e9s \u00edg\u00e9retesen hat\u00e9konyabbak a biztons\u00e1gi incidensek meg\u00e1ll\u00edt\u00e1s\u00e1ban vagy megel\u0151z\u00e9s\u00e9ben. Jelenleg sz\u00e1mos alkalmaz\u00e1st tal\u00e1lunk a mesters\u00e9ges intelligencia ter\u00e9n, a g\u00e9pi tanul\u00e1s r\u00e9v\u00e9n, a sz\u00e1m\u00edt\u00f3g\u00e9pes kiberbiztons\u00e1gban, t\u00f6bbek k\u00f6z\u00f6tt: a bankk\u00e1rtya-csal\u00e1sok \u00e9szlel\u00e9se, a behatol\u00e1s\u00e9rz\u00e9kel\u00e9s, a rosszindulat\u00fa programok oszt\u00e1lyoz\u00e1sa \u00e9s a szolg\u00e1ltat\u00e1smegtagad\u00e1si t\u00e1mad\u00e1sok \u00e9szlel\u00e9se. Sorolj fel n\u00e9h\u00e1nyat k\u00f6z\u00fcl\u00fck.<\/p>\n\n\n\n<p>Tagadhatatlan, hogy az internet megjelen\u00e9se sz\u00e1mos el\u0151nyt \u00e9s javul\u00e1st hozott sok ember \u00e9letk\u00f6r\u00fclm\u00e9nyeiben. P\u00e9ld\u00e1ul a t\u00e1vmunka \u00e9s a virtu\u00e1lis oktat\u00e1s k\u00e9t olyan ter\u00fclet vagy szektor, amely hasznot h\u00fazott az otthoni munkav\u00e9gz\u00e9shez vagy tanul\u00e1shoz sz\u00fcks\u00e9ges eszk\u00f6z\u00f6kb\u0151l \u00e9s platformokb\u00f3l, an\u00e9lk\u00fcl, hogy elmer\u00fcln\u00e9nek a nagyv\u00e1rosaink k\u00f6zleked\u00e9si \u00e9s biztons\u00e1gi probl\u00e9m\u00e1inak k\u00e1osz\u00e1ban \u00e9s \u00e1lland\u00f3s\u00e1g\u00e1ban.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"machine-learning-and-ecommerce\"><strong>G\u00e9pi tanul\u00e1s \u00e9s e-kereskedelem<\/strong><\/h2>\n\n\n<p>Egy m\u00e1sik szektor, amely k\u00e9ts\u00e9gtelen\u00fcl hasznot h\u00fazott az internet fejl\u0151d\u00e9s\u00e9b\u0151l \u00e9s elterjed\u00e9s\u00e9b\u0151l, az elektronikus kereskedelem. A v\u00e1llalatoknak sz\u00fcks\u00e9g\u00fck van \u00faj m\u00e9dia- \u00e9s kommunik\u00e1ci\u00f3s strat\u00e9gi\u00e1k kidolgoz\u00e1s\u00e1ra \u00fcgyfeleikkel, amelyek lehet\u0151v\u00e9 teszik sz\u00e1mukra, hogy megszerezz\u00e9k a sz\u00fcks\u00e9ges \u00e9rt\u00e9kes\u00edt\u00e9si volument a nyeres\u00e9g jav\u00edt\u00e1sa \u00e9rdek\u00e9ben; Ilyen okok miatt az e-kereskedelem felbecs\u00fclhetetlen eszk\u00f6z a v\u00e1llalatok \u00e9rt\u00e9kes\u00edt\u00e9si oszt\u00e1lya sz\u00e1m\u00e1ra. M\u00e1sr\u00e9szt, ahogy az internet haszn\u00e1lat\u00e1nak el\u0151nyei \u00e9s el\u0151nyei n\u00f6vekedtek sz\u00e1mos eszk\u00f6zben, platformon, konzult\u00e1ci\u00f3s oldalon, p\u00e9nz\u00fcgyi \u00e9s banki port\u00e1lon stb., az is igaz, hogy a kock\u00e1zatok, fenyeget\u00e9sek \u00e9s lehet\u0151s\u00e9gek is n\u00f6vekedtek a behatol\u00e1sokra, g\u00e1tl\u00e1stalan \u00e9s rosszindulat\u00fa emberek \u00e1ltal.<\/p>\n\n\n\n<p>A kommunik\u00e1ci\u00f3 terjed\u00e9se \u00e9s gyors fejl\u0151d\u00e9se, a mobil \u00e9s intelligens eszk\u00f6z\u00f6k elterjed\u00e9se, valamint az olyan technol\u00f3gi\u00e1k fejl\u0151d\u00e9se, mint az Internet of Things (IoT), n\u00f6velt\u00e9k jelent\u0151s\u00e9g\u00fcket \u00e9s \u00f6sszetetts\u00e9g\u00fcket; itt \u00e1ll a helyzet, ahol az adattudom\u00e1ny lehet\u0151s\u00e9get k\u00edn\u00e1l a sz\u00e1m\u00edt\u00f3g\u00e9pes rendszerek k\u00f6vetelm\u00e9ny-elemz\u00e9si mechanizmusainak optimaliz\u00e1l\u00e1s\u00e1ra, \u00e9s jobb lehet\u0151s\u00e9get gener\u00e1l a mai biztons\u00e1gi kock\u00e1zatok k\u00fcl\u00f6nb\u00f6z\u0151 t\u00edpusai ellen.<\/p>\n\n\n\n<p>M\u00e1sr\u00e9szt a sz\u00e1m\u00edt\u00f3g\u00e9pes rendszerek, webhelyek \u00e9s alkalmaz\u00e1sok elleni t\u00e1mad\u00e1sok \u00e9s behatol\u00e1sok egyre gyakrabban n\u00f6vekednek, ami sz\u00fcks\u00e9gess\u00e9 teszi az auton\u00f3m mechanizmusok alkalmaz\u00e1s\u00e1t a k\u00e1rok vagy az inform\u00e1ci\u00f3veszt\u00e9s megel\u0151z\u00e9se \u00e9rdek\u00e9ben. Az \u00fczleti adatok, szem\u00e9lyes adatok \u00e9s k\u00fcldet\u00e9skritikus alkalmaz\u00e1sok biztons\u00e1ga olyan szempontok, amelyeket a szervezeteknek minden \u00e1ron el kell ker\u00fclni\u00fck, hogy vesz\u00e9lybe ker\u00fcljenek. Itt j\u00f6n k\u00e9pbe a g\u00e9pi tanul\u00e1si technik\u00e1k folyamatos fejl\u0151d\u00e9se \u00e9s jav\u00edt\u00e1sa, mivel figyelembe veszik a t\u00f6rt\u00e9nelmi vagy aktu\u00e1lis adatokat, azzal a c\u00e9llal, hogy el\u0151rejelz\u00e9seket vagy vet\u00edt\u00e9seket k\u00e9sz\u00edtsenek egy bizonyos adatk\u00f6rre, vagy bizonyos id\u0151szakokra, hogy hasonl\u00f3s\u00e1gokat \u00e1llap\u00edthassanak meg, a viselked\u00e9si mint\u00e1k vagy jellemz\u0151k tekintet\u00e9ben. <\/p>\n\n\n\n<p>Figyelembe kell venni, hogy a g\u00e9pi tanul\u00e1snak k\u00f6sz\u00f6nhet\u0151en egy sz\u00e1m\u00edt\u00f3g\u00e9pes rendszer k\u00e9pes furcsa viselked\u00e9seket \u00e9s rendellenes helyzeteket lokaliz\u00e1lni nagy mennyis\u00e9g\u0171 adatban, amelyeket mint\u00e1knak neveznek. A g\u00e9pi tanul\u00e1s \u00e9szleli azokat a szokatlan helyzeteket, amelyek be akarnak sziv\u00e1rogni egy rendszerh\u00e1l\u00f3zatba. K\u00e9t lehets\u00e9ges megold\u00e1st tal\u00e1lhatunk: Heurisztikus IDS \u00e9s szab\u00e1lyalap\u00fa IDS.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"heuristic-ids\"><strong>Heurisztikus IDS<\/strong><\/h2>\n\n\n<p>Az IDS a behatol\u00e1s\u00e9rz\u00e9kel\u0151 rendszer, amely felel\u0151s egy webhely bej\u00f6v\u0151 \u00e9s kiemelt forgalm\u00e1nak figyel\u00e9s\u00e9\u00e9rt \u00e9s viselked\u00e9s\u00e9nek r\u00f6gz\u00edt\u00e9s\u00e9\u00e9rt. Lehet\u0151v\u00e9 teszi a fel\u00fcgyeletet, amely \u00e9szleli a gyan\u00fas tev\u00e9kenys\u00e9geket, \u00e9s riaszt\u00e1sokat gener\u00e1l az \u00e9szlel\u00e9skor. Ezek alapj\u00e1n a riaszt\u00e1sok alapj\u00e1n egy biztons\u00e1gi m\u0171veleti k\u00f6zpont (SOC) elemz\u0151je vagy incidensreag\u00e1l\u00f3ja kivizsg\u00e1lhatja a probl\u00e9m\u00e1t, \u00e9s megteheti a megfelel\u0151 int\u00e9zked\u00e9seket a fenyeget\u00e9s elh\u00e1r\u00edt\u00e1s\u00e1ra. Az IDS-eket k\u00fcl\u00f6nb\u00f6z\u0151 k\u00f6rnyezetekben val\u00f3 telep\u00edt\u00e9sre tervezt\u00e9k. \u00c9s mint sok kiberbiztons\u00e1gi megold\u00e1s, az IDS lehet gazdaalap\u00fa vagy h\u00e1l\u00f3zatalap\u00fa. Most ismerj\u00fck meg egy kicsit jobban az IDS k\u00fcl\u00f6nb\u00f6z\u0151 t\u00edpusait.<\/p>\n\n\n\n<p><strong>Gazdaalap\u00fa IDS (HIDS):<\/strong> A HIDS egy adott v\u00e9gpontn\u00e1l van telep\u00edtve, amelyet bels\u0151 \u00e9s k\u00fcls\u0151 fenyeget\u00e9sek elleni v\u00e9delemre terveztek. Ez a fajta IDS k\u00e9pes lehet a sz\u00e1m\u00edt\u00f3g\u00e9p bej\u00f6v\u0151 \u00e9s kimen\u0151 h\u00e1l\u00f3zati forgalm\u00e1nak figyel\u00e9s\u00e9re, a fut\u00f3 folyamatok megfigyel\u00e9s\u00e9re \u00e9s a rendszer napl\u00f3inak ellen\u0151rz\u00e9s\u00e9re. A HIDS l\u00e1that\u00f3s\u00e1ga a gazdasz\u00e1m\u00edt\u00f3g\u00e9pre korl\u00e1toz\u00f3dik, ami cs\u00f6kkenti a d\u00f6nt\u00e9shozatal kontextus\u00e1t. Ennek ellen\u00e9re m\u00e9ly betekint\u00e9st ny\u00fajt a gazdasz\u00e1m\u00edt\u00f3g\u00e9p bels\u0151 \u00f6sszetev\u0151ibe.<\/p>\n\n\n\n<p><strong>H\u00e1l\u00f3zatalap\u00fa IDS (NIDS):<\/strong> A NIDS-t egy teljes v\u00e9dett h\u00e1l\u00f3zat figyel\u00e9s\u00e9re tervezt\u00e9k. L\u00e1that\u00f3s\u00e1ggal rendelkezik a h\u00e1l\u00f3zaton \u00e1raml\u00f3 \u00f6sszes forgalomra, \u00e9s a csomagok metaadatai \u00e9s tartalma alapj\u00e1n hoz d\u00f6nt\u00e9seket. Ez a sz\u00e9lesebb k\u00f6r\u0171 n\u00e9zet nagyobb kontextust biztos\u00edt, \u00e9s lehet\u0151s\u00e9get ad az \u00e1that\u00f3 fenyeget\u00e9sek \u00e9szlel\u00e9s\u00e9re. Ezek a rendszerek azonban nem l\u00e1tnak bele az \u00e1ltaluk v\u00e9dett v\u00e9gpontok bels\u0151 \u00f6sszetev\u0151ibe. Egy egys\u00e9ges fenyeget\u00e9skezel\u00e9si megold\u00e1s aj\u00e1nlott, amely integr\u00e1lja a technol\u00f3gi\u00e1kat egyetlen rendszerbe, hogy \u00e1tfog\u00f3bb biztons\u00e1got ny\u00fajtson. A k\u00fcl\u00f6nb\u00f6z\u0151 szint\u0171 l\u00e1that\u00f3s\u00e1g miatt egy elk\u00fcl\u00f6n\u00edtett HIDS vagy NIDS megval\u00f3s\u00edt\u00e1sa hi\u00e1nyos v\u00e9delmet ny\u00fajt a szervezet fenyeget\u00e9si rendszer\u00e9nek.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"ids-detection-methods\"><strong>IDS \u00e9szlel\u00e9si m\u00f3dszerek<\/strong><\/h2>\n\n\n<p>Az IDS megold\u00e1sok k\u00fcl\u00f6nb\u00f6znek abban, ahogyan azonos\u00edtj\u00e1k a potenci\u00e1lis behatol\u00e1sokat:<\/p>\n\n\n\n<p><strong>Al\u00e1\u00edr\u00e1s alap\u00fa \u00e9szlel\u00e9s \u2013<\/strong> Az al\u00e1\u00edr\u00e1s alap\u00fa behatol\u00e1s\u00e9rz\u00e9kel\u0151 rendszer megold\u00e1sok ismert kiberfenyeget\u00e9sek ujjlenyomatait haszn\u00e1lj\u00e1k azok azonos\u00edt\u00e1s\u00e1ra. Miut\u00e1n a rosszindulat\u00fa programokat vagy m\u00e1s rosszindulat\u00fa tartalmat azonos\u00edtott\u00e1k, al\u00e1\u00edr\u00e1st gener\u00e1lnak, \u00e9s hozz\u00e1adj\u00e1k az IDS megold\u00e1s \u00e1ltal a bej\u00f6v\u0151 tartalom \u00e1tvizsg\u00e1l\u00e1s\u00e1ra haszn\u00e1lt list\u00e1hoz. Ez lehet\u0151v\u00e9 teszi az IDS sz\u00e1m\u00e1ra, hogy magas fenyeget\u00e9s\u00e9szlel\u00e9si ar\u00e1nyt \u00e9rjen el hamis pozit\u00edvok n\u00e9lk\u00fcl, mivel minden riaszt\u00e1s az ismert rosszindulat\u00fa tartalom \u00e9szlel\u00e9s\u00e9n alapul. Az al\u00e1\u00edr\u00e1s alap\u00fa IDS azonban csak az ismert kiberfenyeget\u00e9sek \u00e9szlel\u00e9s\u00e9re korl\u00e1toz\u00f3dik, \u00e9s nem k\u00e9pes \u00e9szlelni a sebezhet\u0151s\u00e9geket.<\/p>\n\n\n\n<p><strong>Anom\u00e1lia alap\u00fa \u00e9szlel\u00e9s \u2013<\/strong> Az anom\u00e1lia alap\u00fa behatol\u00e1s\u00e9rz\u00e9kel\u0151 rendszer megold\u00e1sok l\u00e9trehoznak egy modellt a v\u00e9dett rendszer \u201cnorm\u00e1lis\u201d viselked\u00e9s\u00e9r\u0151l. Minden j\u00f6v\u0151beli viselked\u00e9st \u00f6sszehasonl\u00edtanak ezzel a modellel, \u00e9s minden anom\u00e1li\u00e1t potenci\u00e1lis kiberfenyeget\u00e9sk\u00e9nt c\u00edmk\u00e9znek meg, \u00e9s riaszt\u00e1sokat v\u00e1ltanak ki. B\u00e1r ez a megk\u00f6zel\u00edt\u00e9s k\u00e9pes \u00faj kiberfenyeget\u00e9sek \u00e9szlel\u00e9s\u00e9re, a \u201cnorm\u00e1lis\u201d viselked\u00e9s pontos modellj\u00e9nek l\u00e9trehoz\u00e1s\u00e1nak neh\u00e9zs\u00e9ge azt jelenti, hogy ezeknek a rendszereknek egyens\u00falyt kell tal\u00e1lniuk a hamis pozit\u00edv \u00e9s a hamis negat\u00edv eredm\u00e9nyek k\u00f6z\u00f6tt.<\/p>\n\n\n\n<p><strong>Hibrid \u00e9szlel\u00e9s \u2013<\/strong> A hibrid IDS mind az al\u00e1\u00edr\u00e1s alap\u00fa, mind az anom\u00e1lia alap\u00fa \u00e9szlel\u00e9st haszn\u00e1lja. Ez lehet\u0151v\u00e9 teszi sz\u00e1m\u00e1ra, hogy t\u00f6bb potenci\u00e1lis t\u00e1mad\u00e1st \u00e9szleljen alacsonyabb hibaar\u00e1nnyal, mintha b\u00e1rmelyik rendszert \u00f6n\u00e1ll\u00f3an haszn\u00e1ln\u00e1k.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"ids-and-firewalls\"><strong>IDS \u00e9s t\u0171zfalak<\/strong><\/h2>\n\n\n<p>Az IDS rendszerek \u00e9s a t\u0171zfalak kiberbiztons\u00e1gi megold\u00e1sok, amelyeket egy v\u00e9gpont vagy h\u00e1l\u00f3zat v\u00e9delm\u00e9re lehet bevezetni. Azonban jelent\u0151sen k\u00fcl\u00f6nb\u00f6znek c\u00e9ljaikban. Az IDS egy passz\u00edv megfigyel\u0151 eszk\u00f6z, amely \u00e9szleli a potenci\u00e1lis kiberfenyeget\u00e9seket, \u00e9s riaszt\u00e1sokat gener\u00e1l, lehet\u0151v\u00e9 t\u00e9ve az incidensreag\u00e1l\u00f3 SOC elemz\u0151inek, hogy kivizsg\u00e1lj\u00e1k \u00e9s reag\u00e1ljanak a potenci\u00e1lis incidensre. Azonban nem ny\u00fajt abszol\u00fat v\u00e9delmet a v\u00e9gpont vagy a h\u00e1l\u00f3zat sz\u00e1m\u00e1ra. M\u00e1sr\u00e9szt a t\u0171zfalat \u00fagy tervezt\u00e9k, hogy v\u00e9delmi rendszerk\u00e9nt m\u0171k\u00f6dj\u00f6n, amely elemzi a h\u00e1l\u00f3zati csomagok metaadatait, \u00e9s el\u0151re meghat\u00e1rozott szab\u00e1lyok alapj\u00e1n enged\u00e9lyezi vagy blokkolja a forgalmat, ami korl\u00e1tot hoz l\u00e9tre, amelyet bizonyos t\u00edpus\u00fa forgalom vagy protokollok nem l\u00e9phetnek \u00e1t.<\/p>\n\n\n\n<p>M\u00e1s szavakkal, a t\u0171zfal egy akt\u00edv v\u00e9delmi eszk\u00f6z, ink\u00e1bb egy behatol\u00e1smegel\u0151z\u0151 rendszerhez (IPS) hasonl\u00edt. Az IPS olyan, mint egy IDS, kiv\u00e9ve, hogy akt\u00edvan blokkolja az azonos\u00edtott kiberfenyeget\u00e9seket, ahelyett, hogy egyszer\u0171en riaszt\u00e1st adna. Az IDS kieg\u00e9sz\u00edti a t\u0171zfal funkcionalit\u00e1s\u00e1t, \u00e9s sok k\u00f6vetkez\u0151 gener\u00e1ci\u00f3s t\u0171zfal (NGFW) be\u00e9p\u00edtett IDS\/IPS k\u00e9pess\u00e9gekkel rendelkezik, lehet\u0151v\u00e9 t\u00e9ve az el\u0151re meghat\u00e1rozott sz\u0171r\u00e9si szab\u00e1lyok alkalmaz\u00e1s\u00e1t, valamint a kifinomultabb kiberfenyeget\u00e9sek \u00e9szlel\u00e9s\u00e9t \u00e9s kezel\u00e9s\u00e9t (IDS\/IPS).<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"rulebased-ids\"><strong>Szab\u00e1lyalap\u00fa IDS<\/strong><\/h2>\n\n\n<p>Ez a megold\u00e1s a mint\u00e1kkal val\u00f3 egyez\u00e9sb\u0151l indul ki, hogy a rendszer k\u00e9pes legyen automatikusan \u00e9szlelni azokat, \u00e9s figyelmeztet\u00e9st ind\u00edtson. N\u00e9h\u00e1ny p\u00e9lda: Snort, Suricata, Ossec, Samhain, Bro vagy Kismet. Mindezek a rendszerek szab\u00e1lyokon alapulnak, amelyeket el\u0151re kell konfigur\u00e1lni ahhoz, hogy automatikusan \u00e9s fel\u00fcgyelet n\u00e9lk\u00fcl m\u0171k\u00f6djenek. Fontos megjegyezni azt is, hogy annyira hat\u00e9konyak lesznek, amennyire az ismert fenyeget\u00e9sekr\u0151l sz\u00f3l\u00f3 adatb\u00e1zisaik friss\u00edtettek.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"how-to-choose-an-ids-solution\"><strong>Hogyan v\u00e1lasszunk IDS megold\u00e1st?<\/strong><\/h2>\n\n\n<p>Az IDS rendszer olyan komponens, amelynek jelen kell lennie b\u00e1rmely szervezet kiberbiztons\u00e1gi megval\u00f3s\u00edt\u00e1s\u00e1ban. Egy egyszer\u0171 t\u0171zfal biztos\u00edtja a h\u00e1l\u00f3zati biztons\u00e1g alapj\u00e1t, de sok fejlett kiberfenyeget\u00e9s \u00e9szrev\u00e9tlen maradhat. Az IDS egy tov\u00e1bbi kiberbiztons\u00e1gi vonalat ad, megnehez\u00edtve a kiber t\u00e1mad\u00f3k sz\u00e1m\u00e1ra, hogy \u00e9szrev\u00e9tlen\u00fcl hozz\u00e1f\u00e9rjenek a szervezet h\u00e1l\u00f3zat\u00e1hoz.<\/p>\n\n\n\n<p>Az IDS kiv\u00e1laszt\u00e1sakor fontos figyelembe venni a telep\u00edt\u00e9si forgat\u00f3k\u00f6nyvet. Bizonyos esetekben egy behatol\u00e1s\u00e9rz\u00e9kel\u0151 rendszer lehet a legjobb megold\u00e1s a feladatra, m\u00edg m\u00e1s esetekben az IPS be\u00e9p\u00edtett v\u00e9delme lehet a jobb megold\u00e1s. Egy NGFW integr\u00e1lt IDS\/IPS funkci\u00f3kkal integr\u00e1lt megold\u00e1st ny\u00fajt, \u00e9s egyszer\u0171s\u00edti a kiberfenyeget\u00e9sek \u00e9szlel\u00e9s\u00e9t \u00e9s a biztons\u00e1g kezel\u00e9s\u00e9t.<\/p>\n\n\n\n<p><strong>K\u00f6vetkeztet\u00e9s<\/strong><\/p>\n\n\n\n<p>A kibert\u00e1mad\u00e1sok nem sz\u0171nnek meg, \u00e9s a v\u00e1llalatoknak k\u00fcl\u00f6nb\u00f6z\u0151 biztons\u00e1gi int\u00e9zked\u00e9seket kell bevezetni\u00fck az inform\u00e1ci\u00f3k integrit\u00e1s\u00e1nak \u00e9s el\u00e9rhet\u0151s\u00e9g\u00e9nek, valamint az eg\u00e9sz rendszer megfelel\u0151 m\u0171k\u00f6d\u00e9s\u00e9nek biztos\u00edt\u00e1sa \u00e9rdek\u00e9ben. Az elfogadhat\u00f3 biztons\u00e1gi int\u00e9zked\u00e9sek k\u00f6z\u00f6tt szerepel a behatol\u00e1s\u00e9rz\u00e9kel\u0151 rendszer. Sokszor a v\u00e1llalat \u00e1ltal haszn\u00e1lt biztons\u00e1gi eszk\u00f6z\u00f6k k\u00f6z\u00f6tt tal\u00e1lunk vegyes rendszereket, amelyek egy IDS-t kombin\u00e1lnak egy t\u0171zfallal.<\/p>\n\n\n\n<p>B\u00e1r mindk\u00e9t rendszer figyeli \u00e9s elemzi a h\u00e1l\u00f3zatot \u00e9s az eszk\u00f6z\u00f6ket az anom\u00e1lis kiberfenyeget\u00e9sek szempontj\u00e1b\u00f3l, az IDS \u00e9s az IPS k\u00f6z\u00f6tti f\u0151 k\u00fcl\u00f6nbs\u00e9g az, hogy az ut\u00f3bbi k\u00e9pes blokkolni a t\u00e1mad\u00e1sokat, mivel megel\u0151z\u0151 \u00e9s proakt\u00edv szerepet t\u00f6lt be.<\/p>\n\n\n\n<p>Ami a t\u0171zfalat illeti, az blokkolja az \u00f6sszes forgalmat, csak azt a forgalmat vagy adatcsomagokat sz\u0171ri, amelyeket a konfigur\u00e1ci\u00f3j\u00e1ban enged\u00e9lyeztek. Az IDS ezzel ellent\u00e9tesen m\u0171k\u00f6dik; minden forgalmat \u00e1tenged, \u00e9s \u00e1tvizsg\u00e1lja azt rosszindulat\u00fa adatok vagy tev\u00e9kenys\u00e9gek ut\u00e1n kutatva. Ez\u00e9rt az IDS-nek \u00e9s a t\u0171zfalnak egy\u00fctt kell m\u0171k\u00f6dnie, a m\u00e1sodiknak sz\u0171rnie kell az enged\u00e9lyezett forgalmat, az els\u0151nek pedig elemeznie kell a fenyeget\u00e9sek vagy anom\u00e1li\u00e1k szempontj\u00e1b\u00f3l.<\/p>","protected":false},"excerpt":{"rendered":"<p>Sokat hallani a mesters\u00e9ges intelligenci\u00e1r\u00f3l, k\u00fcl\u00f6n\u00f6sen annak egyik legkiemelked\u0151bb \u00e1g\u00e1r\u00f3l, mint p\u00e9ld\u00e1ul a \u201cg\u00e9pi tanul\u00e1s\u201d. Azonban a mesters\u00e9ges intelligencia nem \u00faj; vel\u00fcnk van m\u00e1r az\u00f3ta, hogy\u2026 <a class=\"more-link\" href=\"https:\/\/securitybriefing.net\/hu\/mesterseges-intelligencia\/gepi-tanulasi-technikak-alkalmazasa-a-szamitogepes-kiberbiztonsag-teruleten\/\">Folytat\u00e1s <span class=\"screen-reader-text\">G\u00e9pi tanul\u00e1si technik\u00e1k alkalmaz\u00e1sa a sz\u00e1m\u00edt\u00f3g\u00e9pes kiberbiztons\u00e1gban<\/span><\/a><\/p>","protected":false},"author":3,"featured_media":1654,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-1650","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Machine Learning in Cybersecurity: Applications and 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