Security & Data Integrity in Sortio

Overview

At Sortio, we understand that your files represent valuable data, memories, and work. That's why we've implemented comprehensive security and data integrity measures to ensure your files remain safe, private, and protected during every operation.

Enterprise-Grade Security

End-to-End Encryption

Your file metadata is encrypted end-to-end using state-of-the-art industry standard encryption protocols, ensuring that only you can access the details of your sorted files. This means your data is secured both during transmission and at rest.

Secure Authentication

We use Auth0, a leader in identity management, to ensure secure login and protect your account from unauthorized access. This robust authentication system is used for all non-Apple App Store communication, providing an additional layer of security for your Sortio account.

Privacy-Preserving AI

Our AI-powered sorting algorithms work with encrypted file metadata and content, ensuring your data remains private while delivering smart organization. Sortio never stores your content, and with our offline mode, your data optionally never even leaves your device.

Multi-layered Data Protection Approach

Two-phase Backup System

Before Sortio performs any file operations, it creates comprehensive backups:

Primary backup stored in a hidden .ss_backup folder
Secondary backup in a separate .ss_backup_secondary folder
Automatic fallback system that activates if the primary backup becomes corrupted

Atomic File Operations

We use techniques that minimize the risk of file corruption during operations:

Atomic rename operations where possible to ensure safe file transfers
Comprehensive integrity verification for all copy+delete operations
Transaction-like validation ensures operations complete fully or not at all

Extensive Verification

We verify file integrity at multiple stages:

File Checksumming - Content-based verification before and after operations
Directory Checksumming - Recursive verification of directory contents
Pre/Post Operation Validation - Ensures complete transfers with integrity checks

Operation Journaling

We maintain detailed records of all file operations:

Persistent logging in a .ss_journal directory
Complete operation history with timestamps and checksums
Audit trail for troubleshooting and verification

File Safety Measures

Additional Safety Precautions

We take extra precautions to protect your files:

Trash Instead of Delete - Files are moved to your system's trash/recycle bin rather than permanently deleted
File Locking - Prevents concurrent modifications to the same file
Permission Validation - Pre-operation checks ensure proper access rights

Fail-Safe Recovery

In the unlikely event of an operation failure:

Automatic restoration from backup
Smart selection of the best available backup source
Comprehensive error handling with recovery strategies

Why This Matters

These security and data integrity measures mean that when you use Sortio to organize your files:

Your data remains private and secure at all times
Your original files remain safe and recoverable
File operations complete reliably or safely roll back
The risk of data corruption or loss is minimized
You can undo operations with confidence

For developers and technical users interested in implementation details, our integration tests demonstrate how these features work together to ensure data integrity.

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