IPsum (aggregation of all feeds) - level 4 - very low false positives
Directory referenceMISP catalog entry; indicator list or event feed; open original source for access and usage conditions
raw.githubusercontent.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
IPsum (aggregation of all feeds) - level 5 - ultra 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 6 - no 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 7 - no 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 8 - no false positives
Directory referenceMISP catalog entry; indicator list or event feed; open original source for access and usage conditions
raw.githubusercontent.com
IRONSCALES
Directory referenceCatalog entry; endpoint not checked in this build
ironscales.com
ISAO Standards Organization
Directory referenceCatalog entry; endpoint not checked in this build
www.isao.org
ISC Handler's Diary
Directory referenceCatalog entry; endpoint not checked in this build
isc.sans.edu
IT Security Guru
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 10 entries at check time
www.itsecurityguru.org
IT World Canada
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
www.itworldcanada.com
iTnews
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 20 entries at check time
www.itnews.com.au
iTnews Asia
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 20 entries at check time
www.itnews.asia
ITPro
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 50 entries at check time
www.itpro.com
iVerify
Directory referenceCatalog entry; endpoint not checked in this build
iverify.io
jager
Directory referenceCatalog entry; endpoint not checked in this build
github.com
James Brine Bruteforce IPs
Directory referenceMISP catalog entry; indicator list or event feed; open original source for access and usage conditions
jamesbrine.com.au
John J Hacking
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 30 entries at check time
johnjhacking.com
Joint Publication 2-0: Joint Intelligence
Directory referenceCatalog entry; endpoint not checked in this build
www.dtic.mil
JPCERT
Directory referenceCatalog entry; endpoint not checked in this build
blogs.jpcert.or.jp
JPCERT/CC English blog
okRSS/Atom endpoint checked 2026-10-06; 15 entries at check time
blogs.jpcert.or.jp · INGESTED Oct 06 / 11:44 EDT
JumpSec Blog
Directory referenceCatalog entry; endpoint not checked in this build
www.jumpsec.com
JumpSec Labs
Directory referenceCatalog entry; endpoint not checked in this build
labs.jumpsec.com
Kali Linux
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 10 entries at check time
www.kali.org
Kaspersky CyberTrace
Directory referenceCatalog entry; endpoint not checked in this build
support.kaspersky.com
Kaspersky Threat Data Feeds
Directory referenceCatalog entry; endpoint not checked in this build
support.kaspersky.com
Kaspersky Threat Intelligence Portal
Directory referenceCatalog entry; endpoint not checked in this build
www.kaspersky.com
KLara
Directory referenceCatalog entry; endpoint not checked in this build
github.com
KM Sec
Directory referenceCatalog entry; endpoint not checked in this build
kmsec.uk
KnowBe4
Directory referenceCatalog entry; endpoint not checked in this build
blog.knowbe4.com
Krebs on Security
okRSS/Atom endpoint checked 2026-10-06; 10 entries at check time
krebsonsecurity.com · INGESTED Oct 06 / 11:43 EDT
Lab52
Directory referenceCatalog entry; endpoint not checked in this build
lab52.io
Lansweeper IT Asset Management
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 10 entries at check time
www.lansweeper.com
Latest Bulletins
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
aws.amazon.com
Latest topics for ZDNet in Security
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
www.zdnet.com
Latio Pulse
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 20 entries at check time
pulse.latio.tech
Lawfare
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
www.lawfareblog.com
Legit Security Blog
okRSS/Atom endpoint checked 2026-10-06; 10 entries at check time
www.legitsecurity.com · INGESTED Oct 06 / 11:43 EDT
Let's Encrypt
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 122 entries at check time
letsencrypt.org
LevelBlue SpiderLabs Blog
Directory referenceCatalog entry; endpoint not checked in this build
levelblue.com
libtaxii
Directory referenceCatalog entry; endpoint not checked in this build
github.com
Light Blue Touchpaper
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
www.lightbluetouchpaper.org
LinuxSecurity Advisories - Debian
okRSS/Atom endpoint checked 2026-10-06; 5 entries at check time
linuxsecurity.com · INGESTED Oct 06 / 11:44 EDT
LinuxSecurity Advisories - Oracle
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 5 entries at check time
linuxsecurity.com
LinuxSecurity Advisories - Red Hat
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 5 entries at check time
linuxsecurity.com
LinuxSecurity Advisories - Slackware
Pending first refreshRSS/Atom endpoint checked 2026-10-06; 5 entries at check time
linuxsecurity.com
LinuxSecurity Advisories - Ubuntu
okRSS/Atom endpoint checked 2026-10-06; 5 entries at check time
linuxsecurity.com · INGESTED Oct 06 / 11:44 EDT
List of malicious domains in Poland
Directory referenceMISP catalog entry; indicator list or event feed; open original source for access and usage conditions
hole.cert.pl
List of malicious hashes
Directory referenceMISP catalog entry; indicator list or event feed; open original source for access and usage conditions
cti.bb.com.br
Lohrmann on Cybersecurity
Directory referenceCatalog entry; endpoint not checked in this build
www.govtech.com
Loki
Directory referenceCatalog entry; endpoint not checked in this build
github.com
LookUp
Directory referenceCatalog entry; endpoint not checked in this build
bitbucket.org
LunaTrace Blog
Pending first refreshEndpoint check 2026-10-06 failed; see owner diagnostics
www.lunasec.io
Machinae
Directory referenceCatalog entry; endpoint not checked in this build
github.com
MAEC
Directory referenceCatalog entry; endpoint not checked in this build
maecproject.github.io
Majestic Million
Directory referenceCatalog entry; endpoint not checked in this build
majestic.com
Malc0de DNS Sinkhole
Directory referenceCatalog entry; endpoint not checked in this build
malc0de.com
Maldatabase
Directory referenceCatalog entry; endpoint not checked in this build
maldatabase.com
Malpedia
Directory referenceCatalog entry; endpoint not checked in this build
malpedia.caad.fkie.fraunhofer.de
MalPipe
Directory referenceCatalog entry; endpoint not checked in this build
github.com
MalShare.com
Directory referenceCatalog entry; endpoint not checked in this build
www.malshare.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.