NETWORK SECURITY

Intel is real-time, or it’s too late

GreyNoise helps you block IPs targeting known vulnerabilities in real-time — so you can defend before damage is done.

Attackers constantly probe the internet seeking weaknesses. When a vulnerability drops, scanning and exploitation begins instantly. In fact, scanning and exploitation often precede disclosure, targeting zero day exploits. While you may not control when a patch gets applied, you can control who gets in. GreyNoise Dynamic IP Blocklists help you block the infrastructure behind these attacks in real time — before alerts fire, before incidents escalate, before impacts to your business.

Stay ahead of threats

Buy time to investigate or isolate systems–without waiting for alerts. Attackers automate to speed up attacks. So too must defenders. Speed is essential.

Defend smarter

Let automation do the work, not your overworked SOC. Push verified threat intelligence into your firewall, WAF, or edge devices automatically so that the speed of your defense exceeds the speed of attack.

Empower your SOAR and automation systems

Capitalize on your automation systems with real-time threat notifications capable of triggering workflows as soon as threats appear – notifications that are reliable enough to alleviate false positives concerns.

A diagram showing GreyNoise Blocklists blocking malicious IPs and only allowing benign IPs into your network.

Key capabilities

Integrations

Automate your workflow

GreyNoise Dynamic IP Blocklists plug directly into your network security stack — firewalls, WAFs, edge devices — to reduce exposure and eliminate manual triage.

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Trusted by the world's most important organizations

20%
of the Fortune 50
11
US Federal
Agencies
2
of the 3 largest
cloud platforms
2
of the 3 largest defense
contractors
2
of the 3 largest US banks
2
of the 4 largest US telecom providers
“When exploits come out of nowhere, I use GreyNoise to instantly block attacker IPs. It’s fast, simple, and effective.”

Now available for perimeter defense

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