Cisco Umbrella
Directory referenceCatalog entry; endpoint not checked in this build
s3-us-west-1.amazonaws.com
Λ / PUBLIC / SEARCHABLE / EXPORTABLE
The source observatory.
A growing, attributed directory. Find the publisher, understand the source, and trace the record.
3,130Cached intelligence records
831Catalog entries
353Enabled feeds
44Feeds with a successful latest attempt
ClamAV® blog
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 25 entries at check time
blog.clamav.net
Claroty
Directory referenceCatalog entry; endpoint not checked in this build
claroty.com
Clearsky Security
Directory referenceCatalog entry; endpoint not checked in this build
www.clearskysec.com
Cloud Security Alliance
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 20 entries at check time
cloudsecurityalliance.org
Cloud Security Alliance
Directory referenceCatalog entry; endpoint not checked in this build
cloudsecurityalliance.org
Cloud7 News
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
cloud7.news
CloudSEK
Directory referenceCatalog entry; endpoint not checked in this build
www.cloudsek.com
Cofense
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 12 entries at check time
cofense.com
Cofense Intelligence
Directory referenceCatalog entry; endpoint not checked in this build
cofense.com
Combine
Directory referenceCatalog entry; endpoint not checked in this build
github.com
Compass Security Blog
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 10 entries at check time
blog.compass-security.com
Computer Forensics
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
www.reddit.com
ComputerWeekly.com
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 20 entries at check time
www.computerweekly.com
Connof McGarr
Directory referenceCatalog entry; endpoint not checked in this build
connormcgarr.github.io
corazawaf/coraza releases
Pending first refreshRelease title and short release metadata only; downloaded software is not run
github.com
coreruleset/coreruleset releases
Pending first refreshRelease title and short release metadata only; downloaded software is not run
github.com
Cortex
Directory referenceCatalog entry; endpoint not checked in this build
github.com
CosmicBytez
Directory referenceCatalog entry; endpoint not checked in this build
labs.cosmicbytez.ca
Critical Stack Intel
Directory referenceCatalog entry; endpoint not checked in this build
intel.criticalstack.com
CRITS
Directory referenceCatalog entry; endpoint not checked in this build
crits.github.io
CrowdFMS
Directory referenceCatalog entry; endpoint not checked in this build
github.com
Crowdstrike
Directory referenceCatalog entry; endpoint not checked in this build
www.crowdstrike.com
Crunchbase News
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 10 entries at check time
news.crunchbase.com
cs.CR updates on arXiv.org
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 0 entries at check time
arxiv.org
CSO Online
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 20 entries at check time
www.csoonline.com
Ctrl-Alt-Int3l
Directory referenceCatalog entry; endpoint not checked in this build
ctrlaltintel.com
Cuckoo Sandbox
Directory referenceCatalog entry; endpoint not checked in this build
github.com
CVE Program
Directory referenceCatalog entry; endpoint not checked in this build
www.cve.org
CVE | THREATINT - NEW
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 100 entries at check time
cve.threatint.com
CVEProject/cvelistV5 releases
Pending first refreshRelease title and short release metadata only; downloaded software is not run
github.com
Cyber Analytics Repository by MITRE
Directory referenceCatalog entry; endpoint not checked in this build
car.mitre.org
Cyber Cure free intelligence feeds
Directory referenceCatalog entry; endpoint not checked in this build
www.cybercure.ai
Cyber Defence News for Blue & Purple Teams
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
bluepurple.substack.com
Cyber Defense Magazine
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
www.cyberdefensemagazine.com
Cyber Exposure Alerts
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 10 entries at check time
www.tenable.com
Cyber Intelligence Insights
Directory referenceCatalog entry; endpoint not checked in this build
intelinsights.substack.com
Cyber Press
Directory referenceCatalog entry; endpoint not checked in this build
cyberpress.org
Cyber Security Hub - Articles
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
www.cshub.com
Cyber Security Hub - News
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
www.cshub.com
Cyber Security News
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 10 entries at check time
cybersecuritynews.com
Cyber Security – AI-TechPark
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
ai-techpark.com
Cyber Threat Exchange
Directory referenceCatalog entry; endpoint not checked in this build
www.cyberthreatexchange.com
Cyber Threat Intelligence Repository by MITRE
Directory referenceCatalog entry; endpoint not checked in this build
github.com
Cybercrime Diaries
Directory referenceCatalog entry; endpoint not checked in this build
www.cybercrimediaries.com
Cybercrime Magazine
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 10 entries at check time
cybersecurityventures.com
cybercrime-tracker.net - all
Directory referenceMISP catalog entry; indicator list or event feed; open original source for access and usage conditions
cybercrime-tracker.net
CyberCure - Blocked URL Feed
Directory referenceMISP catalog entry; indicator list or event feed; open original source for access and usage conditions
api.cybercure.ai
CyberCure - Hash Feed
Directory referenceMISP catalog entry; indicator list or event feed; open original source for access and usage conditions
api.cybercure.ai
CyberCure - IP Feed
Directory referenceMISP catalog entry; indicator list or event feed; open original source for access and usage conditions
api.cybercure.ai
Cybereason
Directory referenceCatalog entry; endpoint not checked in this build
www.cybereason.com
CyberScoop
okRSS/Atom endpoint checked 2026-10-06; 10 entries at check time
www.cyberscoop.com · INGESTED Oct 06 / 11:43 EDT
Cyberscoop
Directory referenceCatalog entry; endpoint not checked in this build
cyberscoop.com
cybersecurity
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
www.reddit.com
Cybersecurity
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
www.lawfareblog.com
Cybersecurity - Tech.eu
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 15 entries at check time
tech.eu
Cybersecurity Blog | CrowdStrike
okRSS/Atom endpoint checked 2026-10-06; 10 entries at check time
www.crowdstrike.com · INGESTED Oct 06 / 11:43 EDT
Cybersecurity Dive - Latest News
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 10 entries at check time
www.cybersecuritydive.com
Cybersecurity Insights
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
www.nist.gov
Cyble
Directory referenceCatalog entry; endpoint not checked in this build
cyble.com
Publisher articles remain at their original sources. Metadata and links are compiled from attributed registries; a directory entry is not a certification or a guarantee that its endpoint is available.
- Awesome Threat Intel Blogs · CC BY 4.0 · Adapted factual names, category and original blog URLs; feed-service subscription links excluded.
- Cyber-News public OPML · Named publisher URLs, normalized to HTTPS, deduplicated, filtered and classified.
- MISP default feeds · Source registry metadata only; indicator references distinguished from article ingestion.
- Awesome Threat Intelligence · Names and public URLs only; original descriptions excluded.
CC BY 4.0 license applies to adapted Awesome Threat Intel Blogs catalog metadata. Original publication terms apply to other sources.