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Secure Direct Storage of Encrypted Data in AWS S3

Overview

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The Secure Direct Storage of Encrypted Data in AWS S3 feature ensures that all data stored in UnoLock CybVault is securely uploaded to Amazon Web Services (AWS) Simple Storage Service (S3), leveraging robust encryption and direct access controls to maintain privacy and integrity. By integrating with UnoLock’s client-side encryption, this feature guarantees that data remains encrypted during transit and at rest, accessible only to the user with the decryption key. AWS S3’s scalable, durable infrastructure provides a reliable foundation for storing sensitive information, such as cryptocurrency keys, documents, or personal records, while UnoLock’s security measures prevent unauthorized access, even in the event of a server breach.

How It Works

  • Client-Side Encryption: Data is encrypted locally on the user’s device using AES-256 GCM before being uploaded to AWS S3, ensuring that only encrypted data is transmitted and stored.
  • Secure Upload Process: UnoLock uses direct, authenticated API calls to upload encrypted data to AWS S3 buckets, protected by TLS to prevent interception during transit.
  • AWS S3 Bucket Security: Data is stored in private S3 buckets with strict access controls, including IAM policies and bucket-level encryption, to prevent unauthorized access.
  • Data Durability: AWS S3’s high durability (99.999999999% annually) ensures that encrypted data remains intact and available, with automatic replication across multiple availability zones.

Security Implications

  • Zero-Knowledge Storage: Since data is encrypted client-side, AWS S3 servers cannot access or decrypt user data, maintaining UnoLock’s zero-knowledge model.
  • Protection Against Server Breaches: Even if AWS S3 servers are compromised, the encrypted data remains inaccessible without the user’s decryption key.
  • Reliable Data Availability: AWS S3’s durability and redundancy ensure that encrypted data is always available, protecting against data loss due to hardware failures or disasters.

Use Cases

  • Cryptocurrency Key Storage: Users can securely store encrypted private keys or mnemonic phrases in AWS S3, ensuring they are protected and accessible only to the owner.
  • Confidential Document Archiving: Businesses or individuals can archive sensitive documents, such as legal or financial records, with confidence in their security and availability.
  • Global Data Access: Users who need to access their vault from multiple locations benefit from AWS S3’s global infrastructure, ensuring fast and secure data retrieval.

Why It Matters

Secure storage is critical for protecting digital assets in the cloud, where server breaches and unauthorized access are constant threats. By combining client-side encryption with AWS S3’s robust infrastructure, UnoLock provides a secure, reliable, and scalable solution for storing sensitive data, ensuring user privacy and data integrity in all scenarios.

FAQs

How does UnoLock ensure data security in AWS S3?

UnoLock encrypts data client-side with AES-256 GCM before uploading it to private S3 buckets, ensuring that only the user can decrypt and access their data.

What happens if AWS S3 is hacked?

Since data is encrypted client-side, a breach of AWS S3 would not expose user data, as it remains inaccessible without the user’s decryption key.

Can I access my data if an AWS data center goes offline?

AWS S3’s replication across multiple availability zones ensures that your encrypted data remains available, even if a single data center experiences an outage.

Compliance & Privacy Regulations

  • GDPR & HIPAA Compliance: Secure direct storage in AWS S3, combined with client-side encryption, supports compliance with GDPR, HIPAA, and other data protection regulations by ensuring data privacy and security.

Integration with Other Features

  • Client-Side Encryption Using AES-256 GCM: Works seamlessly with client-side encryption to ensure that all data stored in AWS S3 is encrypted locally, maintaining zero-knowledge privacy.
  • Dual-Layer Encryption with AWS S3 Server-Side Encryption (SSE): Enhances security by adding server-side encryption to client-side encrypted data, providing an additional layer of protection.