#horizon3
Live, measured metrics for the hashtag #horizon3 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #horizon3
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mastodon.social (Mastodon public tags API) · fetched 2026-11-09 04:00 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-11-09 04:00 UTCLive pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-11-09 04:00 UTCEverything below is measured over the latest 17 public posts (spanning ~33630 hours).
Posting hours (UTC) — busiest: 07:00
Languages: Arabic (6) · Italian (5) · English (4) · German (1) · Spanish (1)
Avg boosts / post: 0.4
Top of the latest posts
Horizon3 released details and a PoC for CVE-2026-106173, a FortiSIEM vulnerability enabling unauthenticated remote code execution. Patch now. #FortiSIEM #Fortinet #CVE2026106173 #RCE #PoC #Horizon3 #SIEM #CyberSecurity https://securityonlin
Cisco Finesse SSRF lets unauth attackers hit loopback services. No workaround, no patch until 2027. 9 detections, 8 IOCs. Full analysis + IOCs: https://intel.threadlinqs.com/threat/TL-2026-4645?utm_source=mastodon #ThreatIntel #CVE_2026_203
FortiSIEM vulnerability CVE-2026-106173 is exploited in the wild after Horizon3 released details and a PoC exploit. Upgrade to 7.5.1 now. #FortiSIEM #Fortinet #CVE2026106173 #ExploitedInTheWild #PoC #RCE #Horizon3 #CyberSecurity https://sec
What “horizon3” means
Wiktionary · Wikipediahorizon/həˈɹaɪzən/
- nounThe visible horizontal line or point (in all directions) that appears to connect the Earth to the sky.
Most commonly, the horizon is the border between the surface of a celestial body and its sky when viewed from the perspective of an observer on or above the surface of the celestial body. This concept is further refined as:
“Horizon” on Wikipedia (CC BY-SA) →#horizon3 across platforms
every network with a public tag surfaceFollow #horizon3 straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/horizon3