# Sec1 ZeroDefender

Sec1 ZeroDefender is a Threat Intel Feeds product by Sec1. It runs in the cloud. Pricing is commercial (contact sales).

Real-time zero-day vulnerability detection and alerting platform

Checked October 2026.

## What is Sec1 ZeroDefender?

Sec1 ZeroDefender is a threat intelligence platform focused on zero-day vulnerability detection and notification. The platform monitors for newly discovered zero-day vulnerabilities and delivers alerts through multiple communication channels.

The system provides severity-based categorization of vulnerabilities to help prioritize response efforts. Alerts can be configured with different frequency options including real-time, daily, or weekly notifications. The platform covers vulnerabilities across various product ecosystems.

ZeroDefender delivers notifications through multiple channels including email, Slack, Microsoft Teams, ServiceNow, Jira, Zoom Chat, and Trello. The platform includes API access for integration with existing security tools and workflows.

The system analyzes zero-day vulnerabilities and provides automated remediation suggestions based on the vulnerability characteristics and system configuration. Different subscription tiers offer varying levels of channel access, severity level filtering, and support options ranging from free plans with limited features to enterprise plans with full access to all channels and capabilities.

Tags: Alerting, Zero Day, Cyber Threat Intelligence

## Where it fits in your security program (NIST CSF 2.0)

- [Detect](https://cybersectools.com/guides/building-detect-program-small-team): helps you spot attacks and unusual activity.

## Quick facts

- Category: [Threat Intelligence](https://cybersectools.com/categories/threat-intelligence) · [Threat Intel Feeds](https://cybersectools.com/categories/threat-intel-feeds)
- Vendor: [Sec1](https://cybersectools.com/companies/sec1)
- Deployment: Cloud
- Company size fit: Startup, SMB, Mid-Market, Enterprise
- Pricing: Contact sales
- Features: 8 listed
- Integrations: 7 listed
- Website: sec1.io

The full feature and integration lists are on the page for signed-in visitors.

## Where it ranks

No shortlist covers this product's category yet. The closest is [Best Threat Intelligence Platform Solutions for Business](https://cybersectools.com/shortlists/best-threat-intelligence-platforms).

## Sec1 ZeroDefender FAQ

### What is Sec1 ZeroDefender?

Sec1 ZeroDefender is a product by Sec1 in the Threat Intel Feeds category. It covers Alerting, Zero Day and Cyber Threat Intelligence.

### What is the pricing for Sec1 ZeroDefender?

Sec1 ZeroDefender is a commercial product. For pricing, visit https://sec1.io/products/zerodefender/ or contact Sec1.

### What are alternatives to Sec1 ZeroDefender?

Alternatives to Sec1 ZeroDefender listed on CybersecTools:

1. [Webz.io](https://cybersectools.com/tools/webzio) - Web data platform providing open, deep & dark web APIs and monitoring. (Commercial)
2. [Nozomi Networks Threat Intelligence](https://cybersectools.com/tools/nozomi-networks-threat-intelligence) - OT/IoT threat intelligence feed for vulnerability and malware detection (Commercial)
3. [Previdian](https://cybersectools.com/tools/previdian) - Early-warning feed of exploited CVEs with sensor evidence, compared against CISA KEV. (Commercial)
4. [CyberCure Advanced Cyber Threat Intelligence](https://cybersectools.com/tools/cybercure-advanced-cyber-threat-intelligence) - Free cyber threat intelligence feeds for proactive threat detection (Free)
5. [CTIChef.com Detection Feeds](https://cybersectools.com/tools/ctichefcom-detection-feeds) - A tiered cyber threat intelligence service providing detection rules from public repositories with varying levels of analysis, processing, and guidance for security teams. (Commercial)

Compare all Sec1 ZeroDefender alternatives at [https://cybersectools.com/alternatives/sec1-zerodefender](https://cybersectools.com/alternatives/sec1-zerodefender)

### What deployment and organization size does Sec1 ZeroDefender fit?

Sec1 ZeroDefender is available as a cloud service. It is listed for startups, small businesses, mid-market companies and enterprises. Pricing is commercial. Ask Sec1 for pricing and support terms.

## Compare Sec1 ZeroDefender with similar solutions

- [Sec1 ZeroDefender vs Webz.io](https://cybersectools.com/compare/sec1-zerodefender-vs-webzio)
- [Sec1 ZeroDefender vs Nozomi Networks Threat Intelligence](https://cybersectools.com/compare/nozomi-networks-threat-intelligence-vs-sec1-zerodefender)
- [Sec1 ZeroDefender vs Previdian](https://cybersectools.com/compare/previdian-vs-sec1-zerodefender)

All alternatives to Sec1 ZeroDefender: [/alternatives/sec1-zerodefender](https://cybersectools.com/alternatives/sec1-zerodefender)

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Source: https://cybersectools.com/tools/sec1-zerodefender

For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any compare page has a Markdown copy too (add .md to its URL).

More on Sec1 ZeroDefender and Sec1: 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=product-md