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Cloud Storage Security Best Practices & AWS S3 Security Best Practices

Cloud Storage Security Best Practices & AWS S3 Security Best Practices. We've established a basic set of cloud security best practices that...

Written by Enteris Cloud · 4 min read >
Cloud storage security best practices

Cloud Storage Security Best Practices & AWS S3 Security Best Practices. We’ve established a basic set of cloud security best practices that may help businesses build a safe cloud and manage cloud security concerns in the stages.

In business contexts, cloud services are utilized for a variety of purposes, including storing information in services like Box, accessing authoring tools through Microsoft Office 365, and installing IT architecture via Amazon Web Services (AWS).

Cloud services enable companies to move quicker, speeding their organization with more agile technology, typically at a cheaper cost, in all of these applications. However, using any cloud service comes with its own set of problems and risks in terms of data security. The cloud client is always responsible for the security of data generated in the cloud, sent to the cloud, and retrieved from the cloud. Cloud data protection necessitates visibility and control.

We’ve established a basic set of cloud security best practices that may help businesses build a safe cloud and manage cloud security concerns in the stages below.

Phase 1: Understand Cloud Usage and Risk

Understanding your present status and analyzing risk is the initial part of cloud software development security. The following steps may be completed using cloud-based security programs that enable for cloud monitoring:

  • Step 1: Determine which data is sensitive or controlled. The loss or theft of data, which might result in regulation penalties or the loss of intellectual property, is your most significant risk. Data categorization engines can help you categorise your information so you can analyse the risk completely.
  • Step 2: Gain a deeper knowledge of how sensitive data is shared and accessed. Information that is sensitive can be safely kept on the cloud, but you must maintain track of who has direct exposure to it and where it goes. Examine file and folder rights, as well as access context such as user roles, user location, and device information, in your cloud infrastructure.
  • Step 3: Identify shadow IT (unknown cloud use). Before signing up for a cloud services account or translating a PDF online, most consumers do not consult their IT department. Identify what cloud hosting are being used that you aren’t aware of using your web proxy, firewall, or SIEM logs, then analyse their risk profile.
  • Step 4: Audit transportation system (IaaS) settings such as AWS or Azure. Your IaaS setups contain dozens of essential parameters, many of which, if mismanaged, might result in an exploitable flaw. Begin by reviewing your authentication and authorization, network setup, and encryption credentials.
  • Step 5: Investigate suspicious user activity. Employees who aren’t paying attention and third-party hackers can both act in ways that signal malicious usage of cloud data. User behaviour analytics (UBA) can detect abnormalities and prevent data loss both internally and outside.

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Phase 2: Protect Your Cloud

You may strategically deploy protection to your cloud services based on their level of risk after you understand your cloud security risk posture. Several cloud security tools are available to assist you in implementing the following recommended practices:

  • Step 1: Implement data security policies. You may apply policies that control what data can be kept in the cloud, quarantine or delete sensitive data located in the cloud, and coach users if they make a mistake and breach one of your regulations now that your data has been designated as sensitive or regulated.
  • Step 2: Using your own keys, encrypt important data. Although the encryption provided by a cloud service protects your data from third parties, the cloud service provider retains access to your cryptographic algorithms. Instead, encrypt your data with your own keys so that you have complete control over who has access to it. Users can continue to work with the data uninterrupted.
  • Step 3: Define the conditions under which data can be shared. From the time data enters the cloud, enforce your access control policies across one or more services. Begin by designating persons or groups as viewers or editors, and restricting the information that may be shared with others via shared links.
  • Step 4: Prevent data from being sent to unmanaged devices that you are unaware of. Access to cloud services is available from anyplace with an internet connection, but access from unmanaged devices such as a mobile phone provides a security blind spot. By demanding device security verification before downloading, you may prevent downloads to misconfigured devices.
  • Step 5: Protect infrastructure-as-a-service (IaaS) such as AWS or Azure with sophisticated malware protection. In an IaaS environment, one of the responsible is the security of your operating systems, network traffic, and applications. To secure your infrastructure, anti-malware technology may be deployed to the operating system and virtual network. For single-purpose workloads, use application whitelisting and memory exploit prevention, while for general-purpose workloads and file storage, use machine-learning-based security.

Phase 3: Respond to Cloud Security Issues

Just like any other IT infrastructure, there will be issues needing either automatic or supervised responses when your cloud computing services are accessed and used. To get started with cloud security incident response, use these best practices:

  • Step 1: For high-risk access circumstances, need extra verification. When a user accesses sensitive data in a cloud provider from a new device, for example, two-factor verification is automatically required to confirm their identity.
  • Step 2: As new cloud services emerge, adjust your cloud access settings. You can’t anticipate which cloud services will be used, but you may use information about a cloud service’s risk profile to regularly update web access restrictions, such as those imposed by a secure web gateway, to prevent access or display a warning message. Integrate a cloud risk database with your https gateway or firewall to do this.
  • Step 3: Scan a cloud service for malware. The virus infects a shared folder that syncs with a cloud storage service on a regular basis, replicating the malware without the user’s awareness in the cloud. Scans your files in cloud services using anti-malware software to avert ransomware or information theft attempts.

The problems and dangers you encounter while employing cloud services evolve as well. Always remain up to speed on security-related cloud provider feature upgrades so you can adapt your policy properly. To stay up, security companies will modify their threat intelligence and machine learning algorithms. Several important technologies may be utilized to complete each step in the stages and best practices listed above, typically in connection with the cloud provider’s inherent security capabilities.

  • Cloud Access Security Broker (CASB): Protects data in the cloud by preventing data loss, controlling access, and analysing user activity. CASB is also used to track IaaS settings and identify shadow IT.
  • Cloud Workload Protection: Detects workloads and containers in IaaS settings, protects them from malware, and simplifies security administration.
  • Virtual Network Security: Examines network traffic between virtual instances in IaaS settings, as well as the ports of entrance and departure.

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