Data Security
The practice of protecting digital data from unauthorized access, corruption, or theft throughout its lifecycle.
Related terms
Workflow Automation
Using AI and software to perform repetitive, multi-step business processes automatically while maintaining data security.
Data Governance
The framework of policies and accountability that determines how data is collected, protected, and used across an organization.
Data Leakage
Unintended or unauthorized exposure of sensitive data, often occurring when confidential files are pasted into public AI tools.
Data Loss Prevention (DLP)
Technology and policies designed to detect and prevent sensitive data from being lost, misused, or accessed by unauthorized users, including AI tools.
Data Masking
Replacing sensitive data elements with realistic but fictional values, preserving usability while hiding the real information.
Data Minimization
The principle of collecting and processing only the data strictly necessary for a task, reducing exposure risk.
See Data Security in practice
Questa AI anonymizes sensitive data before it reaches any AI model — across documents and live prompts, with governance and data-residency control.