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* LA SICUREZZA CLOUD È UNA ...

# LA SICUREZZA CLOUD È UNA RESPONSABILITÀ CONDIVISA

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By [Palo Alto Networks](https://www.paloaltonetworks.com/blog/author/palo-alto-networks-staff/?lang=it&ts=markdown "Posts by Palo Alto Networks")  
Nov 19, 2018  
3 minutes  
[Non categorizzato](https://www.paloaltonetworks.com/blog/category/non-categorizzato/?lang=it&ts=markdown)

This post is also available in: [Nederlands (Olandese)](https://www2.paloaltonetworks.com/blog/2018/10/cloudsecurity-een-gedeelde-verantwoordelijkheid/?lang=nl "Passa a Olandese(Nederlands)") [Deutsch (Tedesco)](https://www2.paloaltonetworks.com/blog/2018/11/gemeinsame-verantwortung-fuer-staerkere-cloud-sicherheit/?lang=de "Passa a Tedesco(Deutsch)") [Español (Spagnolo)](https://www2.paloaltonetworks.com/blog/2018/11/la-seguridad-en-la-nube-es-una-responsabilidad-compartida/?lang=es "Passa a Spagnolo(Español)") [Türkçe (Turco)](https://www2.paloaltonetworks.com/blog/2018/11/bulut-guvenligi-ortak-bir-sorumluluktur/?lang=tr "Passa a Turco(Türkçe)")

**Per sicurezza cloud si intende l'insieme delle misure volte a proteggere dati, applicazioni e infrastruttura intrinseche all'uso del cloud computing, incluse policy, tecnologie e controlli.**

Le applicazioni basate su cloud e i dati che le accompagnano sono distribuiti sempre più spesso in diversi ambienti per migliorare l'agilità dell'organizzazione e ridurre i costi. Tra questi ambienti si distinguono i cloud privati, i cloud pubblici (ibridi o dedicati) e le applicazioni SaaS (Software As A Service), ciascuno con i suoi vantaggi in termini di agilità e i suoi problemi di sicurezza.

Il tema della protezione dei dati ha reso la sicurezza cloud una priorità. L'obiettivo è ormai quello di coniugare le esigenze di agilità dell'azienda con la messa in sicurezza delle applicazioni e dei dati che si spostano tra i vari cloud. Per prevenire potenziali furti di dati, originati da attacchi esterni o laterali, diventa quindi fondamentale acquisire visibilità su tutte le aree in cui risiedono applicazioni e dati.

Diversi gruppi all'interno di un'organizzazione sono responsabili della sicurezza cloud: i team che si occupano di rete, di sicurezza, delle app, della conformità e dell'infrastruttura. Tuttavia, la sicurezza cloud è anche una responsabilità condivisa tra l'azienda e il fornitore del cloud.

**Cloud privato**-- Le aziende sono responsabili di tutti gli aspetti della sicurezza del cloud ospitato nei propri data center. Tali aspetti comprendono la rete fisica, l'infrastruttura, l'hypervisor, la rete virtuale, i sistemi operativi, i firewall, la configurazione dei servizi, la gestione delle identità e degli accessi, ecc. L'azienda, inoltre, è interamente responsabile dei dati e della loro sicurezza.

**Cloud pubblico** -- Nei cloud pubblici, come AWS^®^ o Microsoft^®^ Azure™, i fornitori cloud sono proprietari dell'infrastruttura, della rete fisica e dell'hypervisor. L'azienda possiede il sistema operativo, la rete virtuale, le app, i dati, l'accesso all'ambiente/account che li ospita.

**SaaS**-- I fornitori SaaS sono direttamente responsabili per la sicurezza della loro piattaforma, sia sul versante fisico che su quello di applicazioni e infrastruttura. Tuttavia, i fornitori non possiedono i dati dei clienti e non sono responsabili del modo in cui i clienti utilizzano le applicazioni. Anche l'azienda, pertanto, è responsabile di una parte della sicurezza, ossia di prevenire e ridurre al minimo il rischio di una sottrazione illegale dei dati, di una loro esposizione accidentale e dell'introduzione di malware.

Con la transizione dal cloud privato a quello pubblico e alle applicazioni SaaS, la responsabilità di proteggere dati, applicazioni e infrastruttura ricade meno nelle mani delle aziende e più in quelle dei fornitori cloud. Tuttavia, a prescindere dalla piattaforma utilizzata, l'azienda sarà sempre responsabile di garantire la sicurezza dei suoi stessi dati.

![](https://www.paloaltonetworks.com/blog/wp-content/uploads/2018/10/Shared-Responsibility-Model-Cloud.png)

Per eseguire le applicazioni in totale tranquillità, la sicurezza IT deve avere la garanzia che i fornitori cloud abbiano implementato le misure appropriate per rendere sicuri dati e applicazioni. Per compensare eventuali mancanze dei fornitori cloud in termini di sicurezza, l'azienda deve possedere i corretti strumenti per gestire e limitare i rischi in maniera efficace, al fine di proteggere i propri dati. Tali strumenti devono offrire piena visibilità sulle attività interne all'applicazione SaaS, un'analisi dettagliata di utilizzo per prevenire rischi e violazioni di conformità, controlli delle policy coerenti con il contesto in grado di applicare contromisure o quarantene in caso di violazione, un'intelligence delle minacce in tempo reale che rilevi minacce note e sconosciute e che prevenga l'infiltrazione di nuovo malware.

*** ** * ** ***

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