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How data is stored in cloud?

Question asked by supriya VN gowda in #Big Data on Jan 18, 2020
supriya VN gowda
supriya VN gowda · Jan 18, 2020
Rank C2 - EXPERT

I have learnt that data received from social media or through various ways is stored in clouds. But i want to know how data is stored in clouds and security is provided for that data.

Posted in: #Big Data
Chebet Sarah
Chebet Sarah · Jan 19, 2020
Rank D1 - MASTER

Storing information in the cloud will involve at least one data server that a client will connect with through the internet. Files can be sent in an automated way or manually to the data server. The sent information is forwarded to multiple servers. All that stored data can be accessed through a web-based interface. These systems involve very many data servers. These many serves ensure availability. This means that your data has been replicated somewhere else in case one server requires maintenance.

Significant threats to Cloud security include DDoS attacks, data breaches, data loss, account hijacking, service traffic hijacking, insecure APIs, poor choice of cloud storage providers, and shared technology that can compromise cloud security. Cloud security involves the protection of your data stored online from theft, leakage, and deletion. Security strategies include firewalls, penetration testing, obfuscation, tokenization, virtual private networks (VPN), and avoiding public internet connections.

Cloud storage providers have to follow certain regulatory requirements for storage of sensitive information such as health information and credit card numbers. Security audits carried out by third parties ensure that the users' data is safe.

Durgesh Srivastava
Durgesh Srivastava · Jan 19, 2020
Rank C1 - EXPERT

Cloud storage involves at least one data server that a user connects to via the internet. The user sends files manually or in an automated  over the Internet to the data server which forwards the information to multiple servers. The stored data is then accessible through a web-based interface.

Cloud storage systems involve vast numbers of data servers to ensure their availability. That way, if one server requires maintenance or fails, the user can rest assured that the data has been replicated elsewhere to ensure availability.

Kaustubh Katdare
Kaustubh Katdare · Jan 19, 2020
Rank A1 - PRO

The cloud is basically a large number of physical servers (computers) connected with each other via a "virtualisation" layer. That is imagine a computer that has a software that controls large number of physical computers - and that's cloud. 

So when data is uploaded to "cloud" it actually is stored on hard drives (either HDD or SSD). Services like Amazon AWS and DigitalOcean offer "cloud" services. These companies own large datacenters at various locations throughout the world - like United States, Europe, Singapore, India etc. 

Uploading and downloading files to the cloud is generally controlled by APIs. These APIs allow interaction with the virtual layer and makes it really easy to handle these operations securely and quickly. 

I hope this helps. 

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