| ACROS Security / 0patch 0patch-blog | HIGH | active | vulnsresearch | |
| NCSC-NL — Security Advisories (RSS) advisories-ncsc-nl | HIGH | active | ch-eugovactive-breakingvulns | 2026-W252026-W242026-W222026-06-172026-06-122026-05-30 +3 |
| AhnLab ASEC ahnlab-asec | HIGH | active | research | |
| Akamai Security Intelligence Group akamai-sirt | HIGH | active | research | |
| ANSSI / CERT-FR anssi-fr | HIGH | active | ch-eugovactive-breaking | 2026-W222026-W212026-W192026-05-292026-05-232026-05-14 +6 |
| Apple Security Advisories apple-security | HIGH | active | vulnsvendor-psirt | |
| BleepingComputer bleepingcomputer | MEDIUM | active | newsbreaches | 2026-W252026-W242026-W232026-W222026-W212026-W20 +40 |
| BSI Germany — CERT-Bund WID (RSS) bsi-de | HIGH | active | ch-eugovactive-breakingvulns | 2026-W252026-W232026-W212026-W202026-W192026-06-20 +16 |
| CCN-CERT (Spain) ccn-cert-es | HIGH | demoted | ch-eugov | |
| Censys Research censys-blog | HIGH | active | researchvulns | |
| CERT.at (Austria) cert-at | HIGH | active | ch-eugov | |
| CERT-EU cert-eu | HIGH | active | ch-eugovactive-breakingvulns | 2026-W242026-W192026-06-142026-06-112026-05-092026-05-07 +1 |
| CERT Polska / NASK cert-pl | HIGH | active | ch-eugovactive-breaking | 2026-W232026-W222026-W212026-W202026-06-052026-06-02 +4 |
| Check Point Research checkpoint-research | HIGH | active | research | 2026-W252026-W242026-W222026-W202026-W192026-06-18 +7 |
| Chrome Releases (Security Updates) chrome-releases | HIGH | active | vulnsvendor-psirt | 2026-W242026-06-102026-06-07 |
| CISA Cybersecurity Advisories cisa-advisories | HIGH | active | active-breakinggov | 2026-W192026-05-302026-05-162026-05-09 |
| CISA Directives cisa-directives | HIGH | active | govactive-breaking | 2026-W242026-W202026-06-122026-05-15 |
| CISA Known Exploited Vulnerabilities Catalog cisa-kev | HIGH | active | vulnsactive-breaking | 2026-W252026-W212026-06-202026-06-182026-06-172026-06-16 +6 |
| CISA News cisa-news | HIGH | active | govnews | 2026-06-12 |
| Cisco PSIRT (RSS) cisco-psirt | HIGH | active | vulnsvendor-psirt | 2026-W252026-W232026-W212026-W202026-W192026-06-19 +6 |
| Citizen Lab citizen-lab | HIGH | active | research | |
| Claroty Team82 claroty-team82 | HIGH | active | ot-icsresearchvulns | |
| Cloudflare Cloudforce One cloudflare-cf1 | HIGH | active | research | 2026-W192026-05-09 |
| CNIL France cnil-fr | HIGH | active | breachesch-eu | 2026-W222026-06-112026-05-30 |
| Compass Security Blog compass-security | HIGH | active | ch-euresearch | |
| CrowdStrike Threat Research crowdstrike | HIGH | active | research | 2026-W242026-06-112026-05-282026-05-21 |
| CSIRT Italia (ACN) — Alert e bollettini csirt-acn-it | MEDIUM | demoted | ch-eugov | |
| CyberScoop cyberscoop | HIGH | active | news | 2026-W222026-06-152026-06-142026-06-092026-05-282026-05-23 +1 |
| Dark Reading (RSS) darkreading | MEDIUM | active | news | |
| DataBreaches.net databreaches-net | HIGH | active | breachesransomware | |
| depthfirst.com (security research blog) depthfirst | MEDIUM | candidate | researchvulns | 2026-06-072026-05-15 |
| The DFIR Report dfirreport | HIGH | active | research | 2026-05-292026-05-18 |
| Dragos dragos | HIGH | active | ot-icsresearch | 2026-W192026-06-102026-05-082026-05-07 |
| European Data Protection Board edpb | HIGH | active | ch-eugov | 2026-W252026-W242026-W202026-W192026-06-11 |
| Elastic Security Labs elastic-seclabs | HIGH | active | research | 2026-05-272026-05-142026-05-10 |
| ENISA enisa | HIGH | active | ch-eugov | 2026-W252026-W242026-W232026-W222026-W202026-W19 +12 |
| ESET WeLiveSecurity eset | HIGH | active | research | 2026-W252026-W222026-W212026-W202026-06-192026-06-17 +7 |
| GitHub Advisory Database github-advisory | HIGH | active | vulns | 2026-W252026-W242026-W232026-W222026-W212026-W20 +22 |
| Google Threat Analysis Group (TAG) google-tag | HIGH | active | researchgov | 2026-06-13 |
| GovCERT Austria govcert-at | HIGH | active | ch-eugov | |
| GreyNoise Labs greynoise | HIGH | active | vulnsresearch | |
| Group-IB group-ib | HIGH | demoted | research | |
| The Hacker News (RSS) hackernews | MEDIUM | active | news | |
| heise Security heise-sec | MEDIUM | demoted | ch-eunews | 2026-W252026-W212026-W192026-06-202026-06-172026-06-08 +12 |
| Help Net Security helpnetsecurity | MEDIUM | active | news | 2026-W252026-W232026-W212026-W202026-W192026-06-19 +20 |
| Huntress Labs huntress | HIGH | active | research | 2026-W252026-06-212026-06-192026-06-172026-06-042026-05-29 |
| IBM X-Force ibm-xforce | MEDIUM | active | research | 2026-W222026-05-29 |
| UK ICO breach notifications ico-uk | HIGH | active | breachesch-eu | 2026-W252026-W202026-06-212026-06-192026-06-082026-05-22 +1 |
| InfoGuard infoguard-ch | HIGH | active | ch-euresearch | |
| Infosecurity Magazine (RSS) infosec-magazine | MEDIUM | active | news | 2026-W222026-06-192026-06-182026-06-022026-05-302026-05-21 +1 |
| Inside IT Switzerland inside-it-ch | HIGH | active | ch-eunews | |
| Intel 471 Blog intel471 | HIGH | active | research | |
| Intrinsec intrinsec | HIGH | active | ch-euresearch | |
| JPCERT/CC (Japan) jpcert | HIGH | active | govactive-breakingvulns | 2026-W212026-05-22 |
| Kaspersky Securelist (GReAT) kaspersky-securelist | HIGH | active | research | 2026-W192026-05-172026-05-132026-05-092026-05-082026-05-07 |
| KELA Cybercrime Threat Intelligence kela-cyber | HIGH | active | research | 2026-W22 |
| Krebs on Security krebs | HIGH | active | news | 2026-W252026-W212026-06-212026-06-202026-06-122026-06-02 +3 |
| Kudelski Security Research kudelski-security | HIGH | active | ch-euresearch | |
| Lab52 (S2 Grupo) lab52 | HIGH | active | ch-euresearch | |
| Le Monde Informatique le-monde-info | HIGH | active | ch-eunews | |
| Malwarebytes Labs malwarebytes | HIGH | active | newsresearch | 2026-06-202026-06-172026-05-312026-05-102026-05-07 |
| Google Cloud / Mandiant (GTIG) mandiant-gtig | HIGH | active | research | 2026-W252026-W242026-W232026-W222026-W202026-W19 +9 |
| Morphisec Labs morphisec | MEDIUM | active | researchvulns | |
| Mozilla Foundation Security Advisories mozilla-mfsa | HIGH | active | vulnsvendor-psirt | |
| Microsoft Threat Intelligence msft-ti | HIGH | active | research | 2026-W252026-W242026-W232026-W222026-W212026-W20 +26 |
| Microsoft Security Response Center (MSRC) msrc-blog | HIGH | active | vulnsvendor-psirt | |
| NCC Group Research ncc-research | HIGH | active | ch-euresearch | |
| NCSC Switzerland — Im Fokus ncsc-ch-focus | HIGH | active | ch-eugov | 2026-W252026-W242026-W232026-W192026-06-102026-06-04 +2 |
| NCSC Switzerland — Aktuelle Vorfälle ncsc-ch-incidents | HIGH | active | ch-eugov | |
| NCSC Switzerland — Cyber Security Hub (CSH) / GovCERT.ch ncsc-ch-security-hub | HIGH | active | ch-euactive-breakinggovvulns | 2026-W252026-W242026-W232026-W222026-W202026-W19 +22 |
| NCSC Ireland ncsc-ie | HIGH | active | ch-eugov | |
| NCSC UK ncsc-uk | HIGH | active | govactive-breaking | 2026-05-13 |
| Nozomi Networks Labs nozomi-networks | HIGH | active | ot-icsresearch | |
| OneConsult oneconsult-ch | HIGH | active | ch-euresearch | |
| Oracle Critical Patch Updates oracle-cpu | HIGH | active | vulnsvendor-psirt | 2026-W252026-W242026-W232026-06-182026-06-132026-06-12 +1 |
| PRODAFT — Reports prodaft | HIGH | active | ch-euresearch | |
| ProjectDiscovery project-discovery | MEDIUM | candidate | researchdiscovery | |
| Google Project Zero projectzero | HIGH | active | vulnsresearch | |
| Push Security Blog push-security | HIGH | active | research | 2026-W222026-05-302026-05-07 |
| Ransomware.live ransomware-live | MEDIUM | active | ransomwarebreachesdiscovery | |
| Rapid7 Research rapid7-research | HIGH | active | vulnsresearch | 2026-W232026-W222026-W212026-W192026-06-132026-06-10 +6 |
| Recorded Future Insikt Group recordedfuture-insikt | HIGH | active | research | 2026-05-23 |
| Red Canary redcanary | HIGH | active | research | 2026-W222026-06-102026-05-30 |
| Resecurity resecurity | MEDIUM | active | researchvulns | |
| Risky Biz News (Newsletter / Catalin Cimpanu) risky-biz-news | HIGH | active | news | 2026-W252026-06-182026-06-052026-06-012026-05-29 |
| Centre for Cybersecurity Belgium (CCB) — Safe On Web safeonweb-be | MEDIUM | active | ch-eugov | |
| SANS ICS sans-ics | HIGH | active | ot-icsresearch | |
| SANS Internet Storm Center sans-isc | HIGH | active | researchnews | 2026-W242026-W222026-06-222026-06-102026-06-092026-06-07 +6 |
| SANS NewsBites sans-newsbites | HIGH | active | news | |
| Sansec sansec-research | HIGH | active | researchvulns | 2026-W252026-W232026-W202026-06-162026-06-072026-06-04 +1 |
| Schneier on Security schneier | HIGH | active | news | |
| scip AG scip-ch | HIGH | active | ch-euresearch | |
| SEC EDGAR (8-K cyber filings) sec-disclosures-edgar | HIGH | active | breaches | |
| Security Affairs securityaffairs | MEDIUM | active | news | 2026-W252026-W242026-W232026-W192026-06-172026-06-16 +11 |
| SecurityWeek securityweek | MEDIUM | active | news | 2026-W252026-W242026-W232026-W222026-W212026-W20 +24 |
| Sekoia.io blog sekoia | HIGH | active | ch-euresearch | 2026-W252026-W242026-W232026-06-172026-06-142026-06-03 +2 |
| SentinelOne / SentinelLabs sentinellabs | HIGH | active | research | 2026-W202026-W192026-05-162026-05-10 |
| Shadowserver Foundation — News & Insights shadowserver | HIGH | active | researchactive-breaking | |
| Snyk Security Research snyk-research | HIGH | active | vulnsresearch | 2026-06-21 |
| SOC Prime socprime | MEDIUM | active | researchvulns | |
| Sophos X-Ops (incl. former Secureworks CTU) sophos-xops | HIGH | active | research | 2026-W232026-W202026-06-192026-06-032026-05-102026-05-06 |
| Sygnia sygnia | HIGH | active | research | 2026-W242026-06-13 |
| Synacktiv Publications synacktiv | HIGH | active | ch-euresearchvulns | |
| Cisco Talos talos | HIGH | active | research | 2026-W222026-W202026-W192026-06-162026-05-312026-05-20 +4 |
| Team Cymru S2 Research team-cymru | HIGH | active | research | |
| Tenable Research tenable-research | HIGH | active | vulnsresearch | 2026-W242026-W222026-06-112026-06-102026-05-272026-05-13 |
| The Record (Recorded Future News) therecord | HIGH | active | news | 2026-W252026-W242026-W232026-W222026-W212026-W20 +22 |
| Threatpost (Kaspersky) threatpost | MEDIUM | demoted | news | |
| Trail of Bits trail-of-bits | HIGH | active | researchvulns | |
| Trellix Blogs trellix | HIGH | active | research | |
| Trend Micro Research trendmicro-research | HIGH | active | researchvulns | 2026-W242026-W212026-06-102026-05-222026-05-07 |
| Troy Hunt — Have I Been Pwned troyhunt | HIGH | active | newsbreaches | 2026-05-25 |
| Truesec truesec | HIGH | active | ch-euresearchvulns | |
| LevelBlue (formerly Trustwave) SpiderLabs trustwave-spiderlabs | HIGH | active | researchvulns | |
| Palo Alto Networks Unit 42 unit42 | HIGH | active | research | 2026-W252026-W212026-W192026-06-172026-06-102026-06-09 +10 |
| US Treasury OFAC — Recent Actions us-treasury-ofac | HIGH | active | sanctionsgov | |
| Volexity volexity | HIGH | active | research | 2026-W242026-W232026-W212026-06-052026-05-23 |
| VulnCheck vulncheck | HIGH | active | vulnsresearch | |
| watchTowr Labs watchtowr | HIGH | active | vulnsresearch | 2026-W242026-W192026-06-142026-06-102026-05-06 |
| WithSecure Labs withsecure-labs | MEDIUM | active | ch-euresearch | 2026-W222026-05-30 |
| Wiz Research Blog wiz-blog | HIGH | active | vulnsresearch | 2026-W232026-W222026-W202026-W192026-06-092026-06-02 +5 |
| Zero Day Initiative zdi | HIGH | active | vulnsresearch | 2026-05-17 |
| Socket Security (socket.dev blog) socket-dev-blog | HIGH | active | researchvulns | 2026-W232026-W222026-W202026-06-182026-06-102026-06-02 +4 |
| CryptoTimes (cryptotimes.io) cryptotimes | MEDIUM | candidate | news | 2026-05-18 |
| OX Security Blog ox-security | MEDIUM | candidate | discovery | 2026-W222026-W212026-05-232026-05-19 |
| Industrial Cyber (industrialcyber.co) industrialcyber-co | MEDIUM | active | ot-icsnews | 2026-W232026-05-28 |
| Searchlight Cyber searchlight-cyber | MEDIUM | candidate | researchvulns | 2026-05-23 |
| Centre for Cybersecurity Belgium (CCB) ccb-belgium | HIGH | active | ch-eugovvulnsactive-breaking | 2026-06-122026-06-102026-05-292026-05-242026-05-11 |
| Cloud Security Alliance — Lab Space (Research Notes) csa-labs | MEDIUM | active | research | 2026-W21 |
| Senthorus SOC Research Blog senthorus-ch | MEDIUM | candidate | ch-eunews | |
| Qianxin X-Lab xlab-qianxin | MEDIUM | active | research | 2026-W222026-06-222026-05-25 |
| Fox-IT International Blog (NCC Group) fox-it-blog | HIGH | active | research | 2026-05-26 |
| CyberInsider cyberinsider | MEDIUM | active | breachesnews | 2026-05-272026-05-25 |
| Gambit Security gambit-security | MEDIUM | candidate | research | 2026-W222026-05-28 |
| Sonatype (Software Supply Chain Research) sonatype | MEDIUM | active | researchvulns | 2026-W242026-06-132026-06-01 |
| Seqrite Labs (Quick Heal Technologies research arm) seqrite-labs | MEDIUM | active | research | 2026-06-032026-06-02 |
| Calif / Codex security research (blog.calif.io) calif-codex | HIGH | active | researchvulns | 2026-06-04 |
| GMO Flatt Security Research (RyotaK) flatt-security | HIGH | active | researchvulns | 2026-W232026-06-05 |
| Keycloak Project (security advisories / release notes) keycloak | HIGH | candidate | vendor-psirtvulns | 2026-W232026-W212026-06-072026-05-21 |
| OpenSSF Policy openssf-policy | MEDIUM | candidate | govresearch | 2026-W23 |
| Exodus Intelligence (blog.exodusintel.com) exodus-intelligence | HIGH | active | researchvulns | 2026-W242026-06-09 |
| InfoGuard Labs (Switzerland) infoguard-labs | HIGH | active | researchch-euvulns | 2026-W212026-06-102026-05-20 |
| Horizon3.ai (Attack Research / NodeZero) horizon3-ai | HIGH | active | researchvulns | 2026-W242026-W192026-06-132026-06-09 |
| Zimperium zLabs zimperium-zlabs | MEDIUM | active | research | 2026-06-17 |
| Aikido Security (aikido.dev) aikido-security | MEDIUM | active | researchvulns | 2026-W252026-W232026-06-182026-06-022026-05-24 |
| Paradigm Shift Technology (ps.tc) paradigm-shift-research | HIGH | candidate | research | 2026-06-20 |
| Cyberattaque.org cyberattaque-org | MEDIUM | candidate | newsch-eu | 2026-W25 |
| SwissCybersecurity.net (Swiss cybersecurity trade press) swisscybersecurity-net | MEDIUM | candidate | ch-eu | 2026-06-22 |