Proofpoint DLP vs Zscaler DLP: Data Loss Prevention Comparison (2026)

An independent side-by-side comparison of Proofpoint DLP and Zscaler DLP for data loss prevention buyers — pricing, features, integrations, and how often each is cited by major AI engines.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask data loss prevention questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

Proofpoint DLP leads overall47% cited vs Zscaler DLP 13% across 60 probes.
ChatGPT
Proofpoint DLPLeads
3 / 6 probes
50%
Excellent
Zscaler DLP
0 / 6 probes
0%
Invisible
Perplexity
Proofpoint DLPLeads
6 / 6 probes
100%
Excellent
Zscaler DLP
0 / 6 probes
0%
Invisible
Gemini
Proofpoint DLPLeads
3 / 6 probes
50%
Excellent
Zscaler DLP
0 / 6 probes
0%
Invisible
Claude
Proofpoint DLP
1 / 6 probes
17%
Average
Zscaler DLPLeads
4 / 6 probes
67%
Excellent
Copilot
Proofpoint DLPLeads
1 / 6 probes
17%
Average
Zscaler DLP
0 / 6 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

Proofpoint DLP
Starting price
Free tier
proofpoint.com
Zscaler DLP
Starting price
Free tier
zscaler.com

Key Features

Proofpoint DLP

Feature data is being indexed.

Zscaler DLP
  • Secure Internet Access (SWG)
  • Data Security (inline web, all apps)
  • Private Access (for all users)
  • Advanced Threat Protection
  • Zero Trust for Workloads
  • Inline data security
  • SaaS Security Advanced
  • Digital Experience Monitoring

When to choose Proofpoint DLP

Choose Proofpoint DLP if your team prioritizes its strengths over Zscaler DLP's. Full guidance populates as Proofpoint DLP's feature data is indexed.

When to choose Zscaler DLP

Choose Zscaler DLP if your team prioritizes its strengths over Proofpoint DLP's. Full guidance populates as Zscaler DLP's feature data is indexed.

More Data Loss Prevention Comparisons