Nightfall Documentation
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  • Data Detection and Response
  • Posture Management
  • Data Exfiltration Prevention
  • Data Encryption
  • Developer APIs
  • Data Classification and Discovery
  • Frequently Asked Questions (FAQs)
  • Welcome to Nightfall Documentation
  • Release Notes 2024
    • Release Notes 2024
  • Release Notes Archives
    • Product Updates 2021-2023
  • Introduction
    • Why Cloud DLP?
    • Introduction to Nightfall
      • Nightfall Overview
      • Cloud-native DLP vs. CASB
      • How Nightfall Works
      • Reasons to Choose Nightfall
      • Benefits of Nightfall
  • Compliance
    • How Nightfall Fits into Compliance Frameworks
    • ISO 27001 Compliance + DLP
    • SOC 2 Compliance + DLP
    • PCI Compliance + DLP
    • PHI Detector - More on Nightfall's HIPAA Compliance Detector
  • Getting Started
    • Installing Nightfall
  • Nightfall Detection Engine
    • Nightfall Detection Engine
    • Detectors
    • Choosing a Nightfall Detector
      • Compliance Use Cases
      • Data Protection Use Cases
      • Nightfall Detector Glossary
    • Creating Custom Detectors
      • Creating Dictionary Detector
      • Create File Type Detector
      • Create File Fingerprint Detector
      • Create Regular Expression Detector
      • Extend a Nightfall Detector
    • Creating Detection Rules
    • How Detection Works
    • Evaluating Detection
    • Creating Policies
    • Historical Scan Detection Rules
    • Regex Library
    • Detection Engine FAQs
      • How can I reduce false positives in my findings?
      • What do different “Confidence Levels” mean?
      • What file types will Nightfall scan for sensitive data? What are the limitations?
      • How do I use Context Rules?
      • How do I use Exclusion Rules?
      • Does Nightfall have a regex library I can choose from?
      • Why does Nightfall sometimes miss to report SSN, credit card number, and so on?
      • Why does the Password Detector Report False Positive Zoom Password Findings?
  • Nightfall Detection & Policy Templates
    • Detection Rule Wizard
    • Nightfall Sample Data Sets
  • Dashboards and Violations
    • Nightfall Dashboard
      • Understanding Nightfall's Actions
        • Ignore
        • Acknowledge
        • Notify Slack
        • Notify Email
        • Send to Jira
        • Redact
        • Quarantine
        • Change Link Settings
        • Mark as Private
        • Disable Download
        • Delete Attachment
        • Delete
    • Nightfall Violations
      • Filtering Violations
      • Violation Filter Operators
      • Violation Actions
  • Setting up Alert Platforms
    • Nightfall Alert Platforms
    • Setting Up Slack As an Alert Platform in Nightfall
    • Setting up MS Teams as an Alert Platform
    • Setting Up JIRA as an Alert Platform
  • Operationalizing DLP
    • Operationalization Playbook
    • Informing & Coaching Business Users
    • Alert Management Guiding Principles
    • Integrating with Security Tools
      • Integrating with SIEM
      • Creating Dashboards for Nightfall Alerts in Splunk
      • Creating Dashboards for Nightfall Alerts in Sumo Logic
      • Sending Alerts to Microsoft Teams
    • End-User FAQs
  • Nightfall Integrations
  • Nightfall for Slack
    • Nightfall for Slack: Quick Start
    • Getting Started
      • Requirements
        • Requirements for Nightfall DLP for Slack Enterprise
        • Requirements for Nightfall DLP for Slack Pro and Slack Business+
      • Installing Nightfall for Slack
        • Installing Nightfall DLP for Slack Enterprise
        • Installing Nightfall DLP for Slack Pro and Business+
    • Configuring Policies for Slack Pro and the Slack Business+ Editions
      • Integration
      • Scope
      • Detection Rules
      • Automated Actions
      • Advanced Settings
      • Creating Policies
      • Managing Slack Violations
    • Configuring Policies for the Slack Enterprise Edition
      • Integration
      • Scope
      • Detection Rules
      • Automated Actions
      • Advanced Settings
      • Creating Policies
      • Managing Slack Violations
    • Configuring Alerts
      • Slack Alerts
      • Email Alerts
      • Webhooks
      • Jira Tickets
    • Remediation on Nightfall for Slack
      • Notify
      • Delete
      • Redact
      • Quarantine
    • FAQs
      • Can I redact sensitive message content in Slack?
      • Nightfall for Slack Pro vs Enterprise
        • Upgrading from Slack Pro to Enterprise
      • Can I scan my historical content in Slack?
      • Can we customize the alert messages sent in Slack?
      • Can I Disable Detection in Private Channels or DMs?
      • What types of channels does Nightfall scan? Does Nightfall scan shared channels?
      • I am unable to view a sensitive message or file from the Nightfall alert channel.
      • Upon Slack installation, why am I seeing a 400 error mentioning a "Restricted Action"?
  • Nightfall for GitHub
    • Getting Started
      • Requirements
      • Installing Nightfall for GitHub
      • Configuring Integration Level Alerts
    • Configuring Policies
      • Integration
      • Scope
        • Using Regular Expressions to Exclude GitHub Directories
      • Detection Rules
      • Advanced Settings
      • Creating the Policy
    • Managing GitHub Violations
    • Integrating with Jira
    • Remediation on Nightfall for Github
  • NIGHTFALL FOR GOOGLE DRIVE
    • Getting Started
      • Requirements
      • Installing Nightfall for Google Drive
      • Configuring Integration Level Alerts
    • Configuring Policies
      • Integration
      • Defining Policy Scope
      • Defining Detection Rules
      • Configuring Automated Actions
      • Creating the Policy
      • Managing Google Drive Violations
    • Remediation on Nightfall for Google Drive
      • Notify File Owner
      • Change Link Settings
      • Remove Sharing
      • Disable Download
  • Nightfall for Confluence
    • Getting Started
    • Installing Nightfall for Confluence
    • Configuring Policies
      • Creating Policies
      • Defining Policy Scope
      • Defining Detection Rules
      • Configuring Permissions
      • Configuring Automated Actions
    • Configuring Alerts
      • Slack Alerts
      • Email Alerts
      • Webhook
      • Jira Tickets
      • Customizing Notifications
      • Alerts Metadata
    • Remediation on Nightfall for Confluence
      • Notify File Owner
      • Redact Findings
      • Delete Attachments
    • FAQs
      • Page Restrictions
  • Nightfall for Jira
    • Getting Started
    • Installing Nightfall for Jira
      • Configuring Integration Level Alerts
    • Configuring Policies
      • Creating Policies
      • Defining Policy Scope
      • Defining Detection Rules
      • Configuring Advanced Settings
      • Creating Policy
      • Managing JIRA Violations
    • Configuring Alerts
      • Slack Alerts
      • Email Alerts
      • Webhook Alerts
      • Jira Tickets
      • Customizing Notifications
      • Alerts Metadata
    • Remediation on Nightfall for Jira
      • Notify Ticket Editor
      • Redact
      • Delete Attachment
  • Nightfall for Microsoft 365
    • Getting Started
      • Requirements
      • Setting up Directory Sync
      • Setting up Microsoft Tenant
        • Updating App Selection for a Registered Tenant
    • Nightfall for OneDrive
      • Configuring Integration Alerts
      • OneDrive Policies
        • Integration
        • Scope
        • Detection Rules
        • Advanced Settings
        • Creating Policy
        • Managing OneDrive Violations
    • Nightfall for Microsoft Teams
      • Configuring Integration Alerts
      • Configuring Policies
        • Integration
        • Scope
          • Scope for Personal Chats
          • Scope for Team Channels
        • Detection Rules
        • Advanced Settings
        • Creating the Policy
        • Managing Microsoft 365 Violations
  • Nightfall for Gmail
    • Nightfall for Gmail
    • Installing Nightfall for Gmail
      • Configure Compliance Rules
        • Configure Scan Rule
        • Configure Quarantine Rule
        • Configure Block Rule
      • Whitelist Nightfall IP Addresses
      • Configure Google Workspace Domain in Nightfall
    • Configuring Integration Alerts
    • Gmail Policies
      • Integration
      • Detection Rules
      • Advanced Settings
      • Creating Policy
      • Managing Gmail Violations
    • Remediation on Nightfall for Gmail
  • Nightfall For Salesforce
    • Nightfall DLP for Salesforce
    • Getting Started
      • Installing Nightfall DLP for Salesforce
      • Upgrading Nightfall DLP
    • Configuring Policies
      • Integration
      • Defining Policy Scope
      • Defining Detection Rules
      • Configuring Automated Actions
      • Creating the Policy
      • Managing Salesforce Violations
    • Configuring Alerts
      • Slack Alerts
      • Email Alerts
      • Webhook Alerts
      • Jira Tickets
    • Remediation on Nightfall for Salesforce
      • Redact
      • Delete
    • FAQs
  • Nightfall for Zendesk
    • Getting Started
      • Requirements
      • Installing Nightfall for Zendesk
    • Configuring Policies
      • Integration
      • Scope
      • Detection Rules
      • Advanced Settings
      • Creating Policy
      • Managing Zendesk Violations
    • Configuring Alerts
    • Remediation on Nightfall for Zendesk
      • Redact
      • Mark as Private
      • Delete Attachment
  • Nightfall for Notion
    • Getting Started
      • Requirements
      • Steps
    • Installing Nightfall for Notion
      • Verify Notion Integration
    • Configuring Policies
      • Integration
      • Detection Rules
      • Advanced Settings
      • Creating Policies
      • Managing Notion Violations
  • NIGHTFALL FOR CHATGPT
    • Getting Started
    • Installing Nightfall for ChatGPT Browser Plugin
    • Configuring Nightfall for ChatGPT
    • Creating Policies from Nightfall Console
    • ChatGPT Deployment Guide
    • ChatGPT Safe Usage and Data Protection Policy
    • ChatGPT Installation Instructions
  • Developer Section
    • Nightfall Developer Platform
    • Nightfall Playground
  • Settings
    • User Management
      • User Administration
      • Authentication Options
    • Directory Sync
      • Adding Microsoft Entra ID to Nightfall
      • Google Workspace Directory Service
  • FAQs
    • How long does it take to deploy Nightfall?
    • How do I deploy Nightfall?
    • What are some unique points about Nightfall that I should know?
    • Which languages does Nightfall support?
    • How does Nightfall yield time savings for my team?
    • Nightfall vs Legacy DLP: What's the difference?
    • How does Nightfall make my organization more secure?
    • Nightfall vs CASB: What's the difference?
    • Nightfall vs E-Discovery: What's the difference?
    • How does Nightfall classify data?
    • What types of data does Nightfall classify?
    • Does Nightfall scan unstructured data?
    • Does Nightfall require data to be already tagged?
    • How do I learn more about and test out Nightfall?
    • Using Service Accounts with Nightfall
    • Which permissions are required for each integration?
    • Where can I find active user counts for each SaaS application protected by Nightfall?
    • In the Atlassian Marketplace, why does it show that the Nightfall app is not approved in security?
    • How can I estimate the data volume that Nightfall needs to scan?
  • Login to Nightfall
  • Platform Status
  • Contact Us
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  1. Nightfall Detection Engine

Detection Engine FAQs

Please find links to our Detection Engine FAQs below:

What do different “Confidence Levels” mean?What file types will Nightfall scan for sensitive data? What are the limitations?How do I use Context Rules?How do I use Exclusion Rules?Does Nightfall have a regex library I can choose from?How can I reduce false positives in my findings?Why does Nightfall sometimes miss to report SSN, credit card number, and so on?Why does the Password Detector Report False Positive Zoom Password Findings?
PreviousRegex LibraryNextHow can I reduce false positives in my findings?

Last updated 1 year ago

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