Securing Cloud Environments with Bastion Hosts

Satish Kumar Malaraju

Securing Cloud Environments with Bastion Hosts

Author(s)	Satish Kumar Malaraju
Country	United States
Abstract	As organizations increasingly migrate to cloud environments, securing cloud-based resources becomes paramount to protect sensitive data, critical applications, and infrastructure from unauthorized access and malicious attacks. Among the various security measures available, the implementation of a bastion host, or jump server, plays a pivotal role in fortifying cloud defenses. A bastion host acts as a controlled access point, providing secure entry to internal cloud resources, such as private instances within a Virtual Private Cloud (VPC), by mediating communication between external users and the cloud infrastructure. This paper delves into the concept and significance of bastion hosts in cloud security, examining how they serve as a gateway that allows authorized users to access private resources while minimizing the attack surface and reducing direct exposure to the internet. The research highlights key principles such as the enforcement of strict access controls, multi-factor authentication, role-based access policies, and continuous monitoring as essential components in configuring and managing bastion hosts securely. Additionally, the paper explores various best practices for bastion host deployment, including network segmentation, secure protocols, and logging, to mitigate vulnerabilities and enhance the resilience of cloud environments. By examining potential security risks, common challenges, and evolving trends in bastion host design and management, this paper provides actionable insights and recommendations for organizations to effectively implement bastion hosts as part of their comprehensive cloud security strategy. The study ultimately aims to offer a deeper understanding of bastion hosts' critical role in safeguarding cloud infrastructure and ensuring robust security in modern cloud environments. Keywords: Bastion host, cloud security, jump server, Virtual Private Cloud (VPC), access control, encryption, multi-factor authentication, role-based access, network segmentation, cloud infrastructure, secure protocols, logging, cloud security best practices.
Keywords	Bastion host, cloud security, jump server, Virtual Private Cloud (VPC), access control, encryption, multi-factor authentication, role-based access, network segmentation, cloud infrastructure, secure protocols, logging, cloud security best practices.
Field	Computer Applications
Published In	Volume 7, Issue 2, March-April 2025
Published On	2025-04-02

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Securing Cloud Environments with Bastion Hosts

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