Managing Data Security Risks in Cloud Computing

With sharing of data comes the risk of security and virus attacks and it becomes a responsible task to manage and safeguard the data.

Cloud Computing faces the following problems:

• Security, Reliability
• Selection of perfect cloud solution is essential for efficient use of cloud services
• Real-time supervising requirements is required in Governmental Departments such as Banks
• Finance Management with changing demands and seasons
• Lack of knowledge in the field of Cloud Computing
• Lock-in issues
• Compliance
• Dealing with downtime
• Managing complex functions of hybrid and multi-cloud environment
• Lack of Transparency

Type of Cloud

Public Cloud

Benefits:

• IT services are provided by service providers
• can be accessed via the internet
• possess amazing potential
• IaaS will be up surging public cloud service in coming four years
• publically accessible
• distributable storage
• economizing
• easy to purchase
• flexible
• interconnected servers and data centers at multiple locations
• gives upgraded hardware
• frequent pen testing

Drawbacks:

• no maintenance responsibility
• compliance
• security issues
• lack of control over data

Private Cloud

Benefits:

• used by a specific organization
• dedicated storage
• also called Enterprise Clouds
• can be further classified as Virtual Private Cloud, Managed Private Cloud, Hosted Private Cloud, On-Premise Private Cloud
• more secure than public clouds
• enhanced performance
• complete control over resources

Drawbacks:

• costly than public clouds
• limited scalability
• more support requirements needed

Hybrid Cloud

Benefits:

• combine use of private and public clouds
• provides balance of accessibility and security
• confidential data can be internally managed
• scalable
• cost-effective
• flexible
• solves data sovereignty issues

Community cloud

Benefits:

• infrastructure is shared within organizations of the same industry
• best alternative for joint businesses, ventures, etc.
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• scalable
• cost-effective
• flexible

Cloud Computing Architecture

Cloud Services incorporate an ample scope of resources such as Business Application infrastructure, security, digital online sales, etc.

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that a service provider provides to the users through the internet. There are 3 layers of Cloud Services: SaaS, PaaS, and laaS.

Abbreviation:

• SaaS (Software as a Service)
• PaaS (Platform as a Service)
• IaaS (Infrastructure as a Service)

Features:

• most frequent used alternative employed by businesses
• SaaS applications are managed via web browser
• collaborative working
• also called Cloud Software Services
• pay only for the services used
• provides virtual platform to develop and run apps
• Also known as Cloud Platform Services
• Third-party owns the equipment
• Third-party manages and maintains the equipment
• Also called Cloud Infrastructure Service or Managed Infrastructure Services

Advantages:

• no downloads or installations required for the users
• globally accessed
• allows multi-ownership
• allows high-level programming
• less complex
• provides Encapsulation
• cost-effective
• multi-functional option
• location independence
• scalability
• flexibility
• improved compliance
• disaster recovery options
• reduced IT staff
• decreased IT structure
• customization
• least likely of 3 models to have lock-in issues

Challenges:

• execution depends on the internet
• portability issues
• browser issues
• compliance
• lock-in issues
• migration issues
• limited scalability
• reliability
• security risks
• performance
• unwillingness to retreat controls