






A REPUTATION FOR ACCURACY
Threat Feeds
Leading global organizations use Netcraft’s preeminent collection of threat intelligence feeds to power secure activity across the internet.
Decades of experience you can trust
Building on years of curated sources, Netcraft ingests 23B+ proprietary data points annually.
Validated threats with accurate detection
.02% False Positive Rate and 3 to 5 million live block patterns across 100 attack types.
Data quality at scale
Enhanced protection, boasting 220M+ attacks blocked to date.
Quickly take action for downstream users
Publish delta every 5 minutes with new blocks and unblocks.
Decades of experience you can trust
Building on years of curated sources, Netcraft ingests 23B+ proprietary data points annually.
Decades of experience you can trust
Building on years of curated sources, Netcraft ingests 23B+ proprietary data points annually.
Decades of experience you can trust
Building on years of curated sources, Netcraft ingests 23B+ proprietary data points annually.
Validated threats with accurate detection
.02% False Positive Rate and 3 to 5 million live block patterns across 100 attack types.
Data quality at scale
Enhanced protection, boasting 220M+ attacks blocked to date.
Quickly take action for downstream users
Publish delta every 5 minutes with new blocks and unblocks.
Actionable Intelligence at Scale
Delivering high-quality insights across 100+ attack types empowers your security team with protection that is both robust and measurably effective.


Namecheap collaborates with Netcraft, a company we identified as a leader in identifying and disrupting cybercrime.




Netcraft Supported Feeds
Netcraft’s malicious site and threat intelligence feeds are published delta with new blocks/unblocks every 5 minutes.
Scams
Scams
Scams
Scams
Website-Based
Website-Based
Website-Based
Website-Based
Email-Based
Email-Based
Email-Based
Email-Based
Infrastructure-Based
Infrastructure-Based
Infrastructure-Based
Infrastructure-Based




Blocking Threats to Downstream Users
Step 1
FRAUDCASTING
Malicious URLs are sent to:
Major web browser anti-phishing programs
Leading anti-virus, firewall, intrusion detection, and content filtering companies

Step 1
FRAUDCASTING
Malicious URLs are sent to:
Major web browser anti-phishing programs
Leading anti-virus, firewall, intrusion detection, and content filtering companies

Step 1
FRAUDCASTING
Malicious URLs are sent to:
Major web browser anti-phishing programs
Leading anti-virus, firewall, intrusion detection, and content filtering companies

Step 1
FRAUDCASTING
Malicious URLs are sent to:
Major web browser anti-phishing programs
Leading anti-virus, firewall, intrusion detection, and content filtering companies

Step 2
IMMEDIATE BLOCKING
URLs are blocked, restricting access for billions of downstream users.

Step 2
IMMEDIATE BLOCKING
URLs are blocked, restricting access for billions of downstream users.

Step 2
IMMEDIATE BLOCKING
URLs are blocked, restricting access for billions of downstream users.

Step 2
IMMEDIATE BLOCKING
URLs are blocked, restricting access for billions of downstream users.

Step 3
CONTINUOUS MONITORING
Netcraft monitors infected sites to detect and inform feed subscribers when a compromised site has been remediated so access can be restored.

Step 3
CONTINUOUS MONITORING
Netcraft monitors infected sites to detect and inform feed subscribers when a compromised site has been remediated so access can be restored.

Step 3
CONTINUOUS MONITORING
Netcraft monitors infected sites to detect and inform feed subscribers when a compromised site has been remediated so access can be restored.

Step 3
CONTINUOUS MONITORING
Netcraft monitors infected sites to detect and inform feed subscribers when a compromised site has been remediated so access can be restored.

Frequently Asked Questions
What makes Netcraft’s threat intelligence feeds more reliable than others?
Netcraft’s reputation for accuracy is backed by a proven false positive rate of just 0.02% — one of the lowest in the industry. With 23 billion+ proprietary data points analyzed annually and validation against 100+ attack types, our feeds deliver trusted intelligence you can act on with confidence.
How often are threat feeds updated, and why does that matter?
Our feeds are published delta every 5 minutes, reflecting new blocks and unblocks in near real-time. This rapid cadence ensures that downstream users — whether browsers, AV tools, or firewalls — are protected against emerging threats without delay.
What types of attacks are covered by Netcraft’s feeds?
Netcraft provides comprehensive coverage across website-based, email-based, and infrastructure-based threats. These include phishing, support scams, fake shops, web-inject malware, malicious email addresses, cryptominers, and more — spanning over 100 distinct attack types.
How does Netcraft ensure threats are blocked effectively for end users?
Our fraudcasting process distributes threat intelligence directly to major web browsers and security vendors. Malicious URLs are blocked at scale, protecting billions of users worldwide. We also monitor infected sites post-blocking to inform subscribers when it’s safe to restore access.
What makes Netcraft’s threat intelligence feeds more reliable than others?
Netcraft’s reputation for accuracy is backed by a proven false positive rate of just 0.02% — one of the lowest in the industry. With 23 billion+ proprietary data points analyzed annually and validation against 100+ attack types, our feeds deliver trusted intelligence you can act on with confidence.
How often are threat feeds updated, and why does that matter?
Our feeds are published delta every 5 minutes, reflecting new blocks and unblocks in near real-time. This rapid cadence ensures that downstream users — whether browsers, AV tools, or firewalls — are protected against emerging threats without delay.
What types of attacks are covered by Netcraft’s feeds?
Netcraft provides comprehensive coverage across website-based, email-based, and infrastructure-based threats. These include phishing, support scams, fake shops, web-inject malware, malicious email addresses, cryptominers, and more — spanning over 100 distinct attack types.
How does Netcraft ensure threats are blocked effectively for end users?
Our fraudcasting process distributes threat intelligence directly to major web browsers and security vendors. Malicious URLs are blocked at scale, protecting billions of users worldwide. We also monitor infected sites post-blocking to inform subscribers when it’s safe to restore access.
What makes Netcraft’s threat intelligence feeds more reliable than others?
Netcraft’s reputation for accuracy is backed by a proven false positive rate of just 0.02% — one of the lowest in the industry. With 23 billion+ proprietary data points analyzed annually and validation against 100+ attack types, our feeds deliver trusted intelligence you can act on with confidence.
How often are threat feeds updated, and why does that matter?
Our feeds are published delta every 5 minutes, reflecting new blocks and unblocks in near real-time. This rapid cadence ensures that downstream users — whether browsers, AV tools, or firewalls — are protected against emerging threats without delay.
What types of attacks are covered by Netcraft’s feeds?
Netcraft provides comprehensive coverage across website-based, email-based, and infrastructure-based threats. These include phishing, support scams, fake shops, web-inject malware, malicious email addresses, cryptominers, and more — spanning over 100 distinct attack types.
How does Netcraft ensure threats are blocked effectively for end users?
Our fraudcasting process distributes threat intelligence directly to major web browsers and security vendors. Malicious URLs are blocked at scale, protecting billions of users worldwide. We also monitor infected sites post-blocking to inform subscribers when it’s safe to restore access.
What makes Netcraft’s threat intelligence feeds more reliable than others?
Netcraft’s reputation for accuracy is backed by a proven false positive rate of just 0.02% — one of the lowest in the industry. With 23 billion+ proprietary data points analyzed annually and validation against 100+ attack types, our feeds deliver trusted intelligence you can act on with confidence.
How often are threat feeds updated, and why does that matter?
Our feeds are published delta every 5 minutes, reflecting new blocks and unblocks in near real-time. This rapid cadence ensures that downstream users — whether browsers, AV tools, or firewalls — are protected against emerging threats without delay.
What types of attacks are covered by Netcraft’s feeds?
Netcraft provides comprehensive coverage across website-based, email-based, and infrastructure-based threats. These include phishing, support scams, fake shops, web-inject malware, malicious email addresses, cryptominers, and more — spanning over 100 distinct attack types.
How does Netcraft ensure threats are blocked effectively for end users?
Our fraudcasting process distributes threat intelligence directly to major web browsers and security vendors. Malicious URLs are blocked at scale, protecting billions of users worldwide. We also monitor infected sites post-blocking to inform subscribers when it’s safe to restore access.
Resources & Insights
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Learn more about Netcraft’s powerful brand protection, external threat intelligence, and digital risk protection platform.
Book a Demo Today
Learn more about Netcraft’s powerful brand protection, external threat intelligence, and digital risk protection platform.
Book a Demo Today
Learn more about Netcraft’s powerful brand protection, external threat intelligence, and digital risk protection platform.