#ZeroDay
Live, measured metrics for the hashtag #ZeroDay from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #zeroday
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 · fosstodon.org (Mastodon public tags API) · fetched 2026-09-09 02:51 UTC40 uses by 24 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · fosstodon.org (Mastodon public search API) · fetched 2026-09-09 02:51 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-09 02:51 UTCEverything below is measured over the latest 40 public posts (spanning ~139 hours).
Posting hours (UTC) — busiest: 16:00
Languages: English (36) · Italian (3) · German (1)
Avg boosts / post: 0.2
Top of the latest posts
#Microsoft Plugs Nearly 1,000 #Security Holes This month’s #patch bundle obliterates the software giant’s previous record set in July, when it released updates for at least 570 security #vulnerabilities. September’s #PatchTuesday brings thi
Chrome's two-week release cycle begins with Chrome 153, doubling the pace of features and security patches while Extended Stable stays at 8 weeks. #Chrome #Google #BrowserSecurity #Gemini #ZeroDay #WebSecurity #ChromeUpdate https://security
N-able didn't beat around the bush: Since our post 9/5/2026, 08:11:00 UTC a third independent researcher disclosed to N-able a new vulnerability— one that has been exploited in the wild and is unrelated to the previously disclosed CVEs. Thi
#zeroday across platforms
every network with a public tag surfaceFollow #zeroday 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/zeroday