greynoise.io

GreyNoise

Who runs GreyNoise, what it tracks and what it costs, and the 20 closest threat intelligence alternatives.

Who’s behind it
Not stated
Online since
Unknown
Trackers
Prices
No pricing page
Last price change
–
Closest alternative
Shodan

Measured from GreyNoise’s own pages, the Internet Archive and public records. Hover a dotted value for its source and date.

We’ll send a link to confirm. Your address is only used for these alerts.

Visit GreyNoise

01 · Who’s behind it

Who runs GreyNoise

GreyNoise greynoise.io

The network edge is your blind spot. GreyNoise delivers real-time threat intelligence to detect active exploitation, uncover compromised devices, and investigate attacks as they happen.

Wikidata: software that collates data on Internet scanners

Company
No imprint we could read
Online since
Not in the Internet Archive
Audience
In English

02 · Privacy

What GreyNoise tracks

What the homepage loads before you accept or decline cookies. A cookie banner should hold most of it back until you agree, and a tag manager can load more that we don’t see.

trackers that follow visitors

19 of the 20 alternatives below have fewer, 1 have more.

Privacy-friendly alternatives →
Cookie banner
None found
US company
6 tools
  • Advertising and retargeting

    Lets ad networks recognise visitors on other sites and show them ads.

  • Visitor analytics

    Counts and follows visits, usually with cookies.

  • Marketing and email tracking

    Links visits to email campaigns and customer profiles.

  • Tag manager

    Loads further tracking scripts, which we can’t always see.

  • Third-party embeds

    Videos, maps or fonts from other companies, which receive the visitor’s IP address.

03 · Alternatives

Alternatives to GreyNoise

Thumbs up if it’s a real alternative to GreyNoise, thumbs down if it isn’t.

Fewer trackers than GreyNoiseNo ad trackersRegistered in the EUFree planOnly in English
  1. 01
    Shodan shodan.io Top 10K English No trackers

    Shodan Search Engine

    Search Engine for the Internet of Things

    Compare Shodan with GreyNoise →
  2. 02
    Censys censys.com English 3 trackers

    Censys | The Authority for Internet Intelligence and Insights

    Censys empowers security teams with the most comprehensive, accurate, and up-to-date map of the internet to defend attack surfaces and hunt for threats.

    Compare Censys with GreyNoise →
  3. 03
    cymru.com Top 10K English 6 trackers

    Real-Time Threat Intelligence With Unmatched Internet Visibility

    Scanners and feeds see the edge. Team Cymru, the threat intelligence company trusted by 1,000+ partners, sees adversary infrastructure as it forms.

    Compare cymru.com with GreyNoise →
  4. 04
    Shadowserver shadowserver.org English 1 tracker

    The Shadowserver Foundation

    The Shadowserver Foundation is a nonprofit security organization working altruistically behind the scenes to make the Internet more secure for everyone.

    Compare Shadowserver with GreyNoise →
  5. 05
    VirusTotal virustotal.com Top 10K English 2 trackers

    VirusTotal

    VirusTotal

    Compare VirusTotal with GreyNoise →
  6. 06
    Flashpoint flashpoint.io English 2 trackers

    Flashpoint | Threat Intelligence With Industry-Best Data

    Flashpoint's industry-leading threat intelligence platform is trusted for physical security, fraud prevention, operational intel, and more.

    Compare Flashpoint with GreyNoise →
  7. 07
    urlscan urlscan.io English 1 tracker

    URL and website scanner - urlscan.io

    urlscan.io - Website scanner for suspicious and malicious URLs

    Compare urlscan with GreyNoise →
  8. 08
    Feedly feedly.com Top 10K English No trackers

    Feedly Threat Intelligence: Collect, analyze, and share actionable intelligence

    Feedly Threat Intelligence is the leading solution to collect, analyze, and share actionable cyber threat intel like vulnerabilities, cyberattacks, threat actors, and IoCs.

    Compare Feedly with GreyNoise →
  9. 09
    Recorded Future recordedfuture.com 1 tracker

    Advanced Cyber Threat Intelligence | Recorded Future

    Get real-time, actionable cyber threat intelligence with Recorded Future. Mitigate cyber risks, prioritize threats, and proactively secure your organization.

    Compare Recorded Future with GreyNoise →
  10. 10
    ANY.RUN any.run English 1 tracker

    ANY.RUN - Interactive Online Malware Sandbox

    Cloud-based malware analysis service. Take your information security to the next level. Analyze suspicious and malicious activities using our innovative tools.

    Compare ANY.RUN with GreyNoise →
  11. 11
    DomainTools domaintools.com Top 10K English 2 trackers

    Threat Intelligence & Domain Security Platform | DomainTools

    DomainTools provides DNS-based threat intelligence covering 97% of internet infrastructure. Detect, investigate & block malicious domains. Request a demo.

    Compare DomainTools with GreyNoise →
  12. 12
    Group-IB group-ib.com English 2 trackers

    Group-IB | Prediction-First Cybersecurity and Anti-Fraud

    Prediction-First cybersecurity built on collective defense. Group-IB unites cyber and fraud through cyber-fraud fusion to act before attackers and fraudsters complete their next move.

    Compare Group-IB with GreyNoise →
  13. 13
    Spamhaus spamhaus.org Top 1K English 1 tracker

    Strengthening trust and safety across the internet | Spamhaus

    Strengthening trust and safety online through IP and domain reputation intelligence, expertise, education, and community collaboration.

    Compare Spamhaus with GreyNoise →
  14. 14
    Talos Intelligence talosintelligence.com 2 trackers

    Cisco Talos Intelligence Group - Comprehensive Threat Intelligence

    Compare Talos Intelligence with GreyNoise →
  15. 15
    Qualys qualys.com Top 10K 1 tracker

    Enterprise Cyber Risk and Security Platform | Qualys

    Discover how Qualys helps your business measure & eliminate cyber threats through a host of cybersecurity detection & remediation tools. Try it today!

    Compare Qualys with GreyNoise →
  16. 16
    Netcraft netcraft.com English 1 tracker

    Next-Gen Digital Risk Protection | AI-powered Cybercrime Defense by Netcraft

    Protect your brand with Netcraft's digital risk protection platform. We detect, disrupt and remove phishing, scams and cyber attacks with unmatched scale and effectiveness.

    Compare Netcraft with GreyNoise →
  17. 17
    AhnLab ahnlab.com Top 10K English 2 trackers

    AhnLab

    AhnLab delivers an AI-powered cybersecurity platform that connects endpoint, network, cloud, CPS security, XDR, and threat intelligence to help businesses stay secure.

    Compare AhnLab with GreyNoise →
  18. 18
    Kentik kentik.com English 1 tracker

    Network Intelligence and Observability | Network Monitoring & DDoS Detection | Kentik

    Kentik is the network intelligence platform for modern infrastructure teams. Improve network observability, performance, and security. Network monitoring and analytics for traffic, routing, synthetic testing, and cloud.

    Compare Kentik with GreyNoise →
  19. 19
    NetScout Systems netscout.com English 1 tracker

    NETSCOUT Observability, Cybersecurity, DDoS, & AIOps Solutions

    Drive observability, cybersecurity, DDoS protection, and AIOps initiatives with NETSCOUT's AI-ready data platform. Observe and secure your entire network with end-to-end visibility.

    Compare NetScout Systems with GreyNoise →
  20. 20
    Tenable® tenable.com Top 10K English 2 trackers

    Vulnerability and exposure management | Cloud and AI security | Tenable®

    The leader in exposure management and AI security, Tenable cybersecurity solutions reduce cyber risk across IT, OT, cloud, identity & hybrid attack surfaces.

    Compare Tenable® with GreyNoise →

Closest first, by how much each site’s offer resembles GreyNoise’s. Trackers are counted the same way as above. Highlighted technologies are ones GreyNoise uses too. Votes and comments come from visitors and don’t change the order.

04 · History

No changes yet. Each new crawl is compared with the last one, and what GreyNoise adds, drops or rewrites shows up here.

05 · Details

How we measure

Alternatives are matched by what sites actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Trackers and the rest of the stack come from the homepage’s code and DNS records.

The full technology stack, the competitor map and search numbers · 20 technologies
Neighbours
k = 20
Sites searched
9,192
Vector
384-d
Query
29 ms

Competitor map

Each alternative by how close its vector is to GreyNoise’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Hover for the numbers, click to jump to it in the list.

similarity × popularity

SpamhausDomainToolsRecorded FutureFeedlyurlscanVirusTotalShadowservercymru.comCensysShodan

Built with

Website builders
  • Webflow page source: data-wf-page=
JavaScript libraries
  • GSAP asset https://cdnjs.cloudflare.com/ajax/libs/gsap/3.12.5/gsap.min.js
Fonts
Analytics
Tag managers
Advertising
Marketing automation
  • HubSpot page source: js.hs-scripts.com
Payments
  • Stripe TXT stripe-verification=9EEC529B9BE3B480FA54DECEE49B143C7B87E18C44974EABF…
CDN
  • cdnjs asset https://cdnjs.cloudflare.com/ajax/libs/gsap/3.12.5/gsap.min.js
  • Cloudflare header cf-ray: a5779d465aca3817-HAM
  • jsDelivr asset https://cdn.jsdelivr.net/npm/@finsweet/attributes-codehighlight@1/codehighlight.js
Email hosting
Email delivery
  • Amazon SES TXT v=spf1 include:amazonses.com include:stspg-customer.com include:_spf.…
DNS hosting
SaaS tools (verified in DNS)
  • Canva TXT canva-site-verification=jkcqgJvW0x5vOsYmFInmUg
  • Google Search Console TXT google-site-verification=K2ZPY-BMJyYQR0FQWh4fgXJFsBkp8aoaluxjDf3QYwg
  • OpenAI TXT openai-domain-verification=dv-9EYcrZw7f2ekjAkCQFqyBl4c
  • Zoom TXT ZOOM_verify_timausM4We51RLx6rpjkBP