Hakin9 – IT Security Magazine
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
hakin9.org
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
Halycon
Directory referenceCatalog entry; endpoint not checked in this build
www.halcyon.ai
Harbinger Threat Intelligence
Directory referenceCatalog entry; endpoint not checked in this build
github.com
hashdd
Directory referenceCatalog entry; endpoint not checked in this build
hashdd.com
hasherezade/pe-sieve releases
Pending first refreshRelease title and short release metadata only; downloaded software is not run
github.com
Have I Been Pwned latest breaches
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 20 entries at check time
haveibeenpwned.com
Healthcare IT News - Privacy & Security
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
www.healthcareitnews.com
HealthITSecurity
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
healthitsecurity.com
HealthTech Magazine
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 10 entries at check time
healthtechmagazine.net
Heimdal
Directory referenceCatalog entry; endpoint not checked in this build
heimdalsecurity.com
Heimdal Security Blog
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 15 entries at check time
heimdalsecurity.com
Help Net Security
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 10 entries at check time
www.helpnetsecurity.com
Hippocampe
Directory referenceCatalog entry; endpoint not checked in this build
github.com
Hiryu
Directory referenceCatalog entry; endpoint not checked in this build
github.com
HoneyDB
Directory referenceCatalog entry; endpoint not checked in this build
riskdiscovery.com
http://cybercrime-tracker.net gatelist
Directory referenceMISP catalog entry; indicator list or event feed; open original source for access and usage conditions
cybercrime-tracker.net
http://cybercrime-tracker.net hashlist
Directory referenceMISP catalog entry; indicator list or event feed; open original source for access and usage conditions
cybercrime-tracker.net
Hunt.io
Directory referenceCatalog entry; endpoint not checked in this build
hunt.io
Huntress
Directory referenceCatalog entry; endpoint not checked in this build
www.huntress.com
I-Blocklist
Directory referenceCatalog entry; endpoint not checked in this build
www.iblocklist.com
IACR News
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 64 entries at check time
www.iacr.org
ibmxforceex.checker.py
Directory referenceCatalog entry; endpoint not checked in this build
github.com
Icewater
Directory referenceCatalog entry; endpoint not checked in this build
github.com
IDMEF (RFC4765)
Directory referenceCatalog entry; endpoint not checked in this build
tools.ietf.org
IEEE Spectrum
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 30 entries at check time
spectrum.ieee.org
Industrial Cyber
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 9 entries at check time
industrialcyber.co
Infoblox
Directory referenceCatalog entry; endpoint not checked in this build
www.infoblox.com
Infoblox Threat Intel
Directory referenceCatalog entry; endpoint not checked in this build
blogs.infoblox.com
Infoblox-Threat-Intelligence
Directory referenceMISP catalog entry; indicator list or event feed; open original source for access and usage conditions
raw.githubusercontent.com
InfoRiskToday
Directory referenceCatalog entry; endpoint not checked in this build
www.inforisktoday.com
Information Security Archives
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
danielmiessler.com
Information Security Buzz
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 10 entries at check time
informationsecuritybuzz.com
Information Security News
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
www.reddit.com
Infosec - CERT-PA
Directory referenceCatalog entry; endpoint not checked in this build
infosec.cert-pa.it
InfoSec Write-ups - Medium
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 10 entries at check time
infosecwriteups.com
Infosecurity Magazine
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
www.infosecurity-magazine.com
Infosecurity Magazine
Directory referenceCatalog entry; endpoint not checked in this build
www.infosecurity-magazine.com
Infostealers by HudsonRock
Directory referenceCatalog entry; endpoint not checked in this build
www.infostealers.com
Intelligence-Driven Computer Network Defense Informed by Analysis of Adversary Campaigns and Intrusion Kill Chains
Directory referenceCatalog entry; endpoint not checked in this build
www.lockheedmartin.com
IntelMQ
Directory referenceCatalog entry; endpoint not checked in this build
www.enisa.europa.eu
IntelStitch
Directory referenceCatalog entry; endpoint not checked in this build
www.intelstitch.com
Interflow
Directory referenceCatalog entry; endpoint not checked in this build
technet.microsoft.com
Intezer
Directory referenceCatalog entry; endpoint not checked in this build
intezer.com
Intrinsec
Directory referenceCatalog entry; endpoint not checked in this build
www.intrinsec.com
IOC Editor
Directory referenceCatalog entry; endpoint not checked in this build
www.fireeye.com
IOC Fanger (and Defanger)
Directory referenceCatalog entry; endpoint not checked in this build
github.com
IOC Finder
Directory referenceCatalog entry; endpoint not checked in this build
github.com
ioc_parser
Directory referenceCatalog entry; endpoint not checked in this build
github.com
ioc_writer
Directory referenceCatalog entry; endpoint not checked in this build
github.com
iocextract
Directory referenceCatalog entry; endpoint not checked in this build
github.com
IOCextractor
Directory referenceCatalog entry; endpoint not checked in this build
github.com
IODEF (RFC5070)
Directory referenceCatalog entry; endpoint not checked in this build
tools.ietf.org
IP protocol 41
Directory referenceMISP catalog entry; indicator list or event feed; open original source for access and usage conditions
dataplane.org
ip-block-list - snort.org
Directory referenceMISP catalog entry; indicator list or event feed; open original source for access and usage conditions
snort.org
IPs from High-Confidence DGA-Based C&Cs Actively Resolving - requires a valid license
Directory referenceMISP catalog entry; indicator list or event feed; open original source for access and usage conditions
osint.bambenekconsulting.com
ipspamlist
Directory referenceMISP catalog entry; indicator list or event feed; open original source for access and usage conditions
www.ipspamlist.com
IPsum
Directory referenceCatalog entry; endpoint not checked in this build
raw.githubusercontent.com
IPsum (aggregation of all feeds) - level 1 - lot of false positives
Directory referenceMISP catalog entry; indicator list or event feed; open original source for access and usage conditions
raw.githubusercontent.com
IPsum (aggregation of all feeds) - level 2 - medium false positives
Directory referenceMISP catalog entry; indicator list or event feed; open original source for access and usage conditions
raw.githubusercontent.com
IPsum (aggregation of all feeds) - level 3 - low false positives
Directory referenceMISP catalog entry; indicator list or event feed; open original source for access and usage conditions
raw.githubusercontent.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.