Arexdata Data Classification vs Protegrity Data Discovery: Side-by-Side Comparison (2026)

Arexdata Data Classification

Mid-market and enterprise teams managing data sprawl across on-premises, cloud, and endpoints will get the most from Arexdata Data Classification because it actually tracks sensitive data movement instead of just tagging it at rest. The hybrid deployment model and built-in audit trails across all three environments address NIST ID.AM and PR.DS without requiring separate tools per location. Skip this if your primary concern is detecting exfiltration in motion; Arexdata excels at classification and lifecycle governance, not real-time breach prevention.

Protegrity Data Discovery

Mid-market and enterprise teams protecting generative AI applications will get the most from Protegrity Data Discovery, specifically for preventing PII leakage into LLM prompts before they reach foundation models. The dual-model architecture using RoBERTa and Presidio catches context-dependent sensitive data that single classifiers miss, and real-time chatbot redaction means you're blocking exposures at inference time, not just in batch scans. Skip this if you need a data governance platform that handles retention policies and access controls; Protegrity stops at classification and hands off the enforcement layer to your existing tools.