# Nightfall Nyx vs SecureIntent Browser DLP Chrome Extension: side-by-side comparison (2026)

[Nightfall Nyx](https://cybersectools.com/tools/nightfall-nyx) is a commercial [data loss prevention](https://cybersectools.com/categories/dlp) solution by [Nightfall AI](https://cybersectools.com/companies/nightfall-ai). [SecureIntent Browser DLP Chrome Extension](https://cybersectools.com/tools/secureintent-browser-dlp-chrome-extension) is a commercial [data loss prevention](https://cybersectools.com/categories/dlp) solution by [SecureIntent](https://cybersectools.com/companies/secureintent). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Nightfall Nyx | SecureIntent Browser DLP Chrome Extension |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Data Loss Prevention | Data Loss Prevention |
| Verified | No | Verified |
| Deployment type | Cloud | On-Premises |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise, Startup |
| Company | Nightfall AI | SecureIntent |
| Headquarters | – | – |

### Use cases and capabilities

| | Nightfall Nyx | SecureIntent Browser DLP Chrome Extension |
|---|---|---|
| Data Exfiltration | Yes | – |
| AI DLP | – | Yes |
| Secret Detection | – | Yes |
| Browser Security | – | Yes |
| LLM Security | – | Yes |
| GenAI Security | – | Yes |
| Sensitive Data | – | Yes |
| Shadow AI | – | Yes |
| PII | – | Yes |
| MCP Security | – | Yes |

### Core features

**Nightfall Nyx**

10 features listed. Sign in on the page to see them.

**SecureIntent Browser DLP Chrome Extension**

- On-device secret detection using regex pattern matching and Shannon entropy scoring
- Clipboard paste interception with cancel, proceed, or anonymize options
- Dehydrate & Rehydrate: anonymizes tokens before LLM submission and rehydrates locally in RAM
- Ghost Log Sanitiser for sanitizing sensitive data from logs
- Cloud Console Session Lock
- Team Policy Sync for pushing organizational rules to employees
- Zero-retention webhook security alerts for critical incidents
- Detection of AWS keys, OpenAI/Anthropic/Stripe/GitHub/Slack tokens, JWTs, credit cards, and high-entropy zero-day keys

### Integrations

**Nightfall Nyx**

12 integrations listed. Sign in on the page to see them.

**SecureIntent Browser DLP Chrome Extension**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Nightfall Nyx](https://cybersectools.com/tools/nightfall-nyx) fits if you want a cloud product.
- [SecureIntent Browser DLP Chrome Extension](https://cybersectools.com/tools/secureintent-browser-dlp-chrome-extension) fits if you need to run it on your own servers and you are a startup.

## Nightfall Nyx vs SecureIntent Browser DLP Chrome Extension FAQ

Common questions when comparing Nightfall Nyx vs SecureIntent Browser DLP Chrome Extension for data loss prevention.

### What is the difference between Nightfall Nyx and SecureIntent Browser DLP Chrome Extension?

**Nightfall Nyx**: AI-powered DLP analyst that investigates incidents and reduces data exposure risk. Built by Nightfall AI.

**SecureIntent Browser DLP Chrome Extension**: Chrome extension that intercepts secrets/credentials before pasting into AI/LLMs. Built by SecureIntent. Core capabilities include On-device secret detection using regex pattern matching and Shannon entropy scoring, Clipboard paste interception with cancel, proceed, or anonymize options, Dehydrate & Rehydrate: anonymizes tokens before LLM submission and rehydrates locally in RAM.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Nightfall Nyx and SecureIntent Browser DLP Chrome Extension?

**Nightfall Nyx** is made by Nightfall AI. **SecureIntent Browser DLP Chrome Extension** is made by SecureIntent. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Nightfall Nyx a good alternative to SecureIntent Browser DLP Chrome Extension?

Often, yes. Nightfall Nyx and SecureIntent Browser DLP Chrome Extension are both Data Loss Prevention products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Nightfall Nyx vs Rockfort Orion](https://cybersectools.com/compare/nightfall-nyx-vs-rockfort-orion)
- [Nightfall Nyx vs Jazz](https://cybersectools.com/compare/jazz-security-vs-nightfall-nyx)
- [Nightfall Nyx vs Bold Endpoint Security](https://cybersectools.com/compare/bold-endpoint-security-vs-nightfall-nyx)
- [SecureIntent Browser DLP Chrome Extension vs Rockfort Orion](https://cybersectools.com/compare/rockfort-orion-vs-secureintent-browser-dlp-chrome-extension)
- [SecureIntent Browser DLP Chrome Extension vs Jazz](https://cybersectools.com/compare/jazz-security-vs-secureintent-browser-dlp-chrome-extension)
- [SecureIntent Browser DLP Chrome Extension vs Bold Endpoint Security](https://cybersectools.com/compare/bold-endpoint-security-vs-secureintent-browser-dlp-chrome-extension)

## Alternatives to each

- [See all Nightfall Nyx alternatives](https://cybersectools.com/alternatives/nightfall-nyx)
- [See all SecureIntent Browser DLP Chrome Extension alternatives](https://cybersectools.com/alternatives/secureintent-browser-dlp-chrome-extension)

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Source: https://cybersectools.com/compare/nightfall-nyx-vs-secureintent-browser-dlp-chrome-extension

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/nightfall-nyx.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Nightfall Nyx and SecureIntent Browser DLP Chrome Extension: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md
