SaaS apps

AI-powered Data Loss Prevention (DLP) for Slack

Automatically detect and secure secrets and credentials, sensitive PII, PHI, PCI data anywhere in Slack, with a certified Slack Marketplace partner.

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The Data Loss Prevention Challenges in Slack

Slack transforms workplace communication but creates unique security blind spots that alternative solutions cannot address:

Sensitive data everywhere

PII, PHI, PCI and credentials flow freely through conversations, often disguised in screenshots, attachments, snippets, or conversational context that pattern-matching tools miss completely.

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Intelligent, automated policy enforcement.

DMs, public, private, Connect channels, Slack Canvases multiply faster than security teams can monitor, leaving years of sensitive data exposed at rest while new risks emerge daily.

Failed traditional approaches

Current solutions force impossible tradeoffs between security, accuracy, and productivity with clunky interfaces, constant false positives, and frustrating user experiences that drive employees to create workarounds.

Key Benefits

AI-powered

Pre-trained LLM and Computer Vision models classify content such as Secrets & Credentials (NHI), Protected Health Information (PHI), Financial Information (PCI), and Personally Identifiable Information (PII) with 95% precision.

Ease of use

Direct API integration with Slack - no agents, or proxies - to . Simple policy to monitor all DM’s, private, that actually works across all channel types without IT overhead. Extremely simple, intuitive, modern workflows with no policy tuning needed.

Comprehensive coverage

Monitor DMs, private, public, and connect channels in minutes with a few clicks. Scan real-time communications and historical messages to eliminate legacy risks. Support for 150+ file types including PDFs, Images, compressed files, and more.

Streamline Security Operations

Instantly redact, delete, or quarantine violations automatically per policy. Schedule delayed actions for sensitive contexts. Rich dashboards reveal risk trends, violation patterns, and remediation effectiveness over time.

Human Firewall

Coach employees with immediate notifications via Slack or Email. Customize notifications per policy. Allow self-remediation, overrides with business justification directly from Slack.

Case studies

Loved by innovative security teams

95%

precision

10x

lower TCO

80%

self-resolution

Testimonials

“Nightfall is reliable. When it says there’s a detection, we trust that detection. For people in my field, that’s a big factor. You don’t want to waste time chasing ghosts.”

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Victor Sogaolu

Staff Security Engineer @Snyk

Testimonials

“By preventing sensitive data from reaching our code repositories, we reduce the chances of data exposure. For us, DLP is the ability to reduce risk for the company and allows us to build customer trust.”

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Shaun DeWitt

Director of Security Operations @Klaviyo

Testimonials

“Nightfall protects us from outside threats and inside vulnerabilities. It has been fantastic in helping us identify programmatic and procedural issues on our teams so that we can remediate them, rather than simply mitigate them.”

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Robert Former

CISO @Acquia

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Nightfall AI DLP for Slack

Schedule a personalized demo to discover how we protect sensitive data wherever it lives or moves - across SaaS apps, Generative AI platforms, and endpoints.