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Why is cloud data security important?
Data security in cloud computing is critical, regardless of whether it is in public clouds or private clouds. Compliance and privacy violations, cloud service provider (CSP) breaches or exposure and accidental misconfigurations of cloud services and data storage objects that could lead to data breaches and illicit data access are just a few of the many data security issues enterprises confront when they deploy applications and sensitive information into the cloud. Other threats that also affect on-premises environments, such as insider threats, also affect cloud computing security.
In order for organizations to reap the benefits of the cloud, they must be aware of the top cloud data security threats and challenges and how to mitigate them, as well as general and SaaS-, PaaS- and IaaS-specific cloud security considerations.
Definition:
Cloud security, also known as cloud computing security, is a collection of security measures designed to protect cloud-based infrastructure, applications, and data. These measures ensure user and device authentication, data and resource access control, and data privacy protection. They also support regulatory data compliance. Cloud security is employed in cloud environments to protect a company’s data from distributed denial of service (DDoS) attacks, malware, hackers, and unauthorized user access or use.
Cloud data security ensures that unauthorized servers are unable to access the data stored in the cloud. Because a third-party service provider provides cloud services over the internet, cloud security or cloud cyber security and enterprise cloud security require effort from both the organization and the cloud service provider.
Key components of cloud-based security include:
- Data security
- Policies and procedures for threat detection and prevention
- Identity and access management (IAM)
- Plan for data retention
- Legal compliance
- insufficient credential and key management
- accidental cloud data disclosure/exposure
- cloud storage data exfiltration
Recomandation for Multifactor authentication for every cloud:
For all cloud environments, require multifactor authentication (MFA) for any privileged users accessing cloud services or performing administrative activities, at minimum. Ideally, require MFA for any end user accessing the cloud. Keep permissions and security controls up to date, and ensure security measures are documented in a cloud security policy.
- Ideally, all SaaS cloud access should be brokered through a cloud access security broker, if possible, to enable DLP, content filtering, malware protection and other controls.
- Cloud security posture management (CSPM) and SaaS security posture management (SSPM) tools can help enterprises keep a close eye on data storage configurations and whether data is being exposed.
What are Cloud Access Security Broker (CASB) Tools?
Cloud Access Security Broker (CASB) tools encapsulate your on-campus or cloud-hosted security solutions. CASB can be both physical and digital solutions, which function as a stop-gap and gateway between users and cloud service providers.
This extends to IaaS, PaaS, and some (a limited amount) of SaaS environments. Boiled down, CASB plugs security holes by allowing organizations to extend their security policies beyond just the campus to the cloud and create cloud-only security controls as well. CASB tools are based on four base concepts:
- Data Protection
- Threat Protection
- Identity
- Visibility
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