The Internet Abuse Signal Collective | WhoisXML API

The Internet Abuse Signal Collective (IASC)

Today’s cyber threats move faster, hide deeper, and hit harder. Registrars and hosting providers are flooded with abuse reports, while SOCs and security vendors hold fragmented yet invaluable insights into APT actors and malware families. The absence of a complete view often leaves ample room for attackers to operate unseen until the damage is done.


The IASC is here to fight back, and this isn’t just data sharing; it’s a fortress of intelligence, pooling insights from the sharpest minds across the internet ecosystem. Law enforcement, U.S. military, intelligence agencies, and top cybersecurity players join forces here, creating a single, relentless stream of visibility. We’re exposing threat actors, tracking malware victims, and uncovering the attack patterns others miss.

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50+Unique active malware families analyzed daily
1 Million+Daily hits for confirmed C2 & malicious domains
5+ PetabytesDNS, WHOIS, IP & NetFlow records

IASC Partners

We’re building an elite cybersecurity force, uniting experts in threat intelligence, global internet registries, ISPs, DNS resolvers and more. Join a trusted network focused on relentless defense.

  • Cybersecurity Product Builders

    You want power and speed. Here’s both. Join the DNS visibility network trusted by 60+ Cyber 150 IT-Harvest companies and over 80% of Gartner’s top cybersecurity leaders. Gain insights into attack patterns, tactics, and hidden networks.

  • Threat Intelligence Teams

    Stop working in the dark. Access the full global threat landscape with real-time intelligence you can’t find in your own logs. Every attack pattern and vulnerability is laid out. Don’t just react—anticipate. Outmaneuver threats before they strike.

  • Registrars, Registries, and Network Stewards

    End repeat-offenders and bad actors who are notorious for abusing other ISPs and registrars services. Gain visibility into suspicious domains and abusers across the internet. Join us, and safeguard the internet ecosystem.

Data Contribution Types

The program welcomes contributions in many different forms, some crowd favorites of high-impact are below:

ドメイン名

ドメイン名の履歴

R

ブランド

ドメイン名登録者

Corporate firmographic datas

Corporate firmographic data

メールアドレス

IPアドレス

net org com

DNSの履歴

Domain, IP, URL IoCs

DNS & NetFlow traffic flows

DNS & NetFlow traffic flows

DNS & NetFlow traffic flows

Credential harvesting page paths

Malvertising & spam websites

Malvertising & spam websites

Malware infrastructure

Malware infrastructure

Command & control attack infrastructure

Command & control attack infrastructure

Phishing attack infrastructure

Phishing attack infrastructure

サクセスストーリー

WHOISデータを用いて悪意あるコロナウイルス関連ドメインをマッピング

ProPrivacy、VirusTotalおよびWhoisXML APIの提携により、新型コロナウイルス感染症に関連する不審なドメイン名のリストを作成し、管理しています。

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命を救うOSINT技術

全米児童保護タスクフォース(NCPTF)がWhoisXML APIと数十社のOSINTテクノロジーパートナーおよび法執行機関の捜査官と協力して行方不明者事件に取り組んだ事例をご紹介します。

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Learn more about the Internet Abuse Signal Collective

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