Privacy Preserving Big Data Streaming and Secure Cryptographic Architectures for Cloud Native Applications
DOI:
https://doi.org/10.15680/2hn6xm32Keywords:
Privacy-Preserving Computing, Big Data Streaming, Cloud-Native Architecture, Homomorphic Encryption, Secure Multi-Party Computation, Differential Privacy, Zero-Knowledge ProofsAbstract
The proliferation of cloud-native applications and real-time analytics platforms has transformed the way organizations process, analyze, and derive value from large-scale streaming data. Industries such as finance, healthcare, telecommunications, and smart infrastructure increasingly rely on continuous data streams generated from IoT devices, user interactions, transactional systems, and distributed sensors. While big data streaming frameworks enable high-throughput, low-latency analytics, they also introduce substantial privacy and security challenges. Sensitive personal, financial, and operational data often traverse distributed cloud environments, making them vulnerable to breaches, unauthorized access, and regulatory non-compliance.
Privacy-preserving big data streaming systems integrate advanced cryptographic mechanisms with scalable cloud-native architectures to ensure data confidentiality, integrity, and availability without sacrificing performance. This research proposes a comprehensive framework that combines secure stream processing, cryptographic data protection techniques, and cloud-native orchestration models. The framework incorporates encryption-in-transit and encryption-at-rest, homomorphic encryption for secure computation, secure multi-party computation (SMPC) for collaborative analytics, differential privacy for anonymization, and zero-knowledge proofs for authentication and verification.
The architecture leverages event-driven microservices deployed through container orchestration platforms and integrates distributed messaging systems such as Apache Kafka for high-throughput ingestion. Secure key management, identity federation, and role-based access controls enforce policy-driven governance across cloud-native environments. Furthermore, privacy-preserving machine learning models are integrated within the streaming pipeline to enable encrypted inference and federated analytics.
A comprehensive evaluation methodology assesses performance metrics including throughput, latency, cryptographic overhead, scalability, and privacy budget guarantees. Simulation results demonstrate that optimized cryptographic acceleration and selective encryption strategies can significantly reduce performance penalties while maintaining robust privacy guarantees. The proposed model achieves secure real-time analytics suitable for regulatory-compliant cloud deployments.
This study concludes that integrating cryptographic safeguards directly into cloud-native big data streaming architectures provides a resilient foundation for secure digital transformation. By balancing privacy protection with scalable performance, organizations can enable trustworthy real-time intelligence in increasingly interconnected cloud ecosystems
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