Nightfall DLP vs Whispers
On the evidence we track, Nightfall DLP leads this comparison with a composite score of 70/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for secrets scanning. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Nightfall DLP
LeaderNightfall is a data loss prevention platform that uses machine learning to discover, classify, and block sensitive data exfiltration across SaaS applications, endpoints, and AI tools. It integrates with existing cloud infrastructure, identity systems, and security tools to enforce real-time data protection policies without disrupting user productivity.
Whispers
Whispers analyzes code and common configuration formats to identify hardcoded credentials, authentication tokens, and sensitive information. It runs as a CLI tool or integrates into CI/CD pipelines with support for custom detection rules.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Nightfall DLP
LeaderAnnual per-user pricing. Free 7-day proof of value. Contact sales for quote.
- Hooks & Compliance APIContact sales
- IDE/CLI hooks for secure AI development
- Claude Compliance API monitoring
- Detectors for PII, PHI, PCI, secrets, source code
- Complete + AI StackContact sales
- AI/MCP agent stack monitoring
- MCP server discovery and shadow-MCP detection
- OpenTelemetry audit trail
- Claude Compliance API
Whispers
Free, open source
- Open SourceFree
- CLI usage
- CI/CD pipeline integration
- Detects passwords, API tokens, AWS keys, sensitive files
- Supports YAML, conf/ini, Dockercfg, shell scripts, Python3
- Configurable rules and filters
- +1 more
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Nightfall DLP
Leader- Slack
- Microsoft 365
- Jira
- Confluence
- GitHub
- Gmail
- Exchange Online
- Google Drive
- Salesforce
- Notion
- Zendesk
- Asana
- ChatGPT
- Google Workspace
- Okta
- Microsoft Teams
- Microsoft OneDrive
- ChatGPT Enterprise
- Anthropic Claude
- Google Directory
- Microsoft Entra ID
- Splunk
- Panther
- Sumo Logic
- +4 more
Whispers
Not documented yet.
Nightfall DLP or Whispers: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.