Nightfall DLP vs Whispers
No leader: the top candidate Whispers has only 0.13 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
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
Identifies and prevents exposure of sensitive data like personally identifiable information and credentials across SaaS applications, cloud storage, email services, and AI tools using machine learning-based detection and automated remediation.
Whispers
A security-focused command-line tool that scans various file formats (YAML, shell scripts, Python, configuration files) to identify embedded passwords, API tokens, AWS keys, and other hardcoded secrets. It can be run independently or integrated into CI/CD pipelines.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Nightfall DLP
Subscription-based pricing with free tier for API and LLM applications. Enterprise plans use per-employee annual billing; exact costs require sales contact.
- Firewall for AIFree
- Sensitive Data ProtectionContact sales
- Email Security EssentialsContact sales
- Data Exfiltration PreventionContact sales
- Nightfall CompleteContact sales
- Nightfall for SaaSContact sales
- Nightfall for LLMs and Custom AppsFree
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
- Slack
- Microsoft 365
- Jira
- Confluence
- GitHub
- Gmail
- Exchange Online
- Google Drive
- Salesforce
- Notion
- Zendesk
- Asana
- ChatGPT
- Google Workspace
- Okta
Whispers
Not documented yet.
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.