shadowserver.org
Shadowserver
Who runs Shadowserver, 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
- GreyNoise
Measured from Shadowserver’s own pages, the Internet Archive and public records. Hover a dotted value for its source and date.
Visit Shadowserver01 · Who’s behind it
Who runs Shadowserver
Shadowserver shadowserver.org
The Shadowserver Foundation is a nonprofit security organization working altruistically behind the scenes to make the Internet more secure for everyone.
Wikidata: Internet security non-profit
- Company
- No imprint we could read
- Online since
- Not in the Internet Archive
- Audience
- In English
02 · Privacy
What Shadowserver 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.
tracker that follows visitors
7 of the 19 alternatives below have fewer, 3 have more.
Privacy-friendly alternatives →- Cookie banner
- None found
- US company
- 2 tools
Visitor analytics
Counts and follows visits, usually with cookies.
Third-party embeds
Videos, maps or fonts from other companies, which receive the visitor’s IP address.
03 · Alternatives
Alternatives to Shadowserver
Thumbs up if it’s a real alternative to Shadowserver, thumbs down if it isn’t.
- 01
GreyNoise | Real-Time Network Threat Intelligence
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.
Very close - 02
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.
Very close - 03
abuse.ch | Fighting malware and botnets
abuse.ch | Fighting malware and botnets
Very close - 04
Strengthening trust and safety across the internet | Spamhaus
Strengthening trust and safety online through IP and domain reputation intelligence, expertise, education, and community collaboration.
Very close - 05
Shodan Search Engine
Search Engine for the Internet of Things
Very close - 06
Internet Corporation for Assigned Names and Numbers (ICANN)
ICANN’s mission is to help ensure a stable, secure, and unified global Internet.
Very close - 07
CIS Center for Internet Security
CIS is a forward-thinking nonprofit that harnesses the power of a global IT community to safeguard public and private organizations against cyber threats.
Very close - 08
NLnet Labs - Home
Research & Development, Internet architecture, DNS, Routing, Stability and Security.
Very close - 09
DataCite – Connecting Research, Advancing Knowledge - DataCite
international not-for-profit organization which aims to improve data citation
Very close - 10
Quad9 | A public and free DNS service for a better security and privacy
A public and free DNS service for a better security and privacy
Very close - 11
Privacy Guides
Established in 2021, Privacy Guides is the largest impartial, non-profit media outlet focused on finding privacy tools and learning about protecting your digital life.
Very close - 12
Access Now - Access Now
Digital rightsfor everyone. Derechos digitalespara todas. .الحقوق الرقمية للجميع Droits numériquespour tous. Access Now defends and extends the digital
Very close - 13
Fight for the Future
Who are we? We are a group of artists, engineers, activists, and technologists who have been behind the largest online protests in human history, channeling Internet outrage into political power to win public interest victories previously thought to be impossible. We fight for a future where technology is a force for liberation— not oppression. Battle […]
Very close - 14
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.
Very close - 15 National Security Agency nsa.gov
signals intelligence organization of the United States
Close - 16
Internet Society: The Internet is for Everyone - Internet Society
The Internet Society is a global charity working to close the digital divide and advocate for a secure and open Internet that people can trust.
Close - 17
MariaDB Foundation - MariaDB.org
database management system, relational, open source, community developed fork of MySQL
Close - 18
Home | CSA
The Cloud Security Alliance (CSA) leads the industry in offering cloud security-specific research, education, certification, events and best practices.
Close - 19
URL and website scanner - urlscan.io
urlscan.io - Website scanner for suspicious and malicious URLs
Very close - 20
a list of publicly known cybersecurity vulnerabilities
Close
Closest first, by how much each site’s offer resembles Shadowserver’s. Trackers are counted the same way as above. Highlighted technologies are ones Shadowserver uses too. Votes and comments come from visitors and don’t change the order.
04 · History
What changed
Price and policy history →No changes yet. Each new crawl is compared with the last one, and what Shadowserver 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 · 7 technologies
- Neighbours
- k = 20
- Sites searched
- 9,192
- Vector
- 384-d
- Query
- 26 ms
Competitor map
Each alternative by how close its vector is to Shadowserver’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
Built with
- CMS
- WordPress meta generator: WordPress 7.1.2
- Fonts
- Google Fonts asset https://fonts.googleapis.com/
- Analytics
- Google Analytics page source: googletagmanager.com/gtag/js
- Security
- reCAPTCHA page source: google.com/recaptcha/api.js
- CDN
- bunny.net header server: BunnyCDN-ASB1-925
- Languages & backends
- PHP implied by WordPress (meta generator: WordPress 7.1.2)
- SaaS tools (verified in DNS)
- Google Search Console TXT google-site-verification=tiVxSpYg2xBbmxJY9KRvIqRhw4CN6v-Tw9cU5V04gJ4
What competitors use
Across the 20 closest sites.
- Google Search Console 16/20
- Cloudflare · not on shadowserver.org 11/20
- Google Workspace · not on shadowserver.org 11/20
- jQuery · not on shadowserver.org 8/20
- Cloudflare DNS · not on shadowserver.org 8/20
- Google Fonts 7/20
- Microsoft 365 · not on shadowserver.org 7/20
- Google Tag Manager · not on shadowserver.org 6/20
- PHP 6/20
- WordPress 6/20
- Stripe · not on shadowserver.org 5/20
- nginx · not on shadowserver.org 5/20
- SendGrid · not on shadowserver.org 5/20
- Adobe Fonts · not on shadowserver.org 4/20
- Google Analytics 4/20
- jsDelivr · not on shadowserver.org 4/20