Cloud computing security refers practice of protecting cloud computing environment, applications and information. Cloud security involves in security cloud environments against unauthorized usage and various cyber-attacks. While cloud security Cloud-based security also referred as delivery mode of security services that are hosted in the cloud.
There are three types of cloud environments that includes: -
Private Clouds – It is usually accessible and dedicated to single enterprise. Although, such enterprise is still vulnerable to social engineering, data breaches and other cyber-attacks.
Public Cloud Services – Such cloud service is hosted by third party cloud service. For example – AWS (Amazon Web Services), Microsoft Azure, Google Cloud and generally accessible via web browsers.
Hybrid Clouds – Aspects of public and private clouds allows organizations to handle more control on data and on resources rather than using public clouds.
Cloud Service Models fall into three main categories: -
Infrastructure as a Service (IaaS) – It enables on demand model for pre-configured data center computing. i.e. operating system and network storage. This can also involve automation in creating virtual machines. It is critical to consider how these virtual machines are span down, provisioned and managed.
Platform as a Service (PaaS) – Provides computing infrastructure and tools, enabling organizations to focus on developing services and web applications. PaaS environment primarily support DevOps teams, developers and operations. Management and configuration of self-service is the key to control risk.
Software as a Service (SaaS) – Applications hosted by third party are delivered as software as a service that are accessed on the client side. SaaS eliminates need of manage and deploy applications on end-user devices. Any employee can access web services and can download the content. Hence, proper visibility and access controls are required to monitor all type of SaaS applications.
Practice to keep Cloud Data secure: -
Implementing cloud computing using above model is not enough to protect cloud data. For additional security practices follow below points: -
Proper configuration of security for cloud server – If company is not setting proper security. It will result into data breach. Misconfiguration of cloud servers can expose data to unauthorized user. Configuring cloud security settings requires good amount of team members who are highly experts and capable in working with cloud and is also capable in collaboration with cloud vendor.
Consistent in implementing security policies – Security measures should be applied across the company’s infrastructure including public and private clouds and on premises infrastructure. If one aspect company’s cloud infrastructure is not protected by encryption. Most likely attackers will find and target the weak link.
Backup Plans – There must be a always backup plan if anything goes wrong. To prevent data from getting tampered and lost, make sure to create regular backups. There should be a failover plan so that businesses are not interrupted and if anything fails. Multi-cloud and hybrid cloud deployments can be used as backups. For example – data storage in cloud can be backup on premises database.
User and Employee Education – Large percentage of data breaches occur because employees don’t understand the latest or on-going cyber-attacks. They unknowingly install malware and do not updates their devices. Poor password policies, using same password and writing their password in visible location of your organization. By educating internal employees about security. You can reduce the risk of cyber security.
Conclusion: -
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