#OpSec
Live, measured metrics for the hashtag #OpSec from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #opsec
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 2026-10-30 16:10 UTC10 uses by 9 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 2026-10-30 16:10 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-10-30 16:10 UTCEverything below is measured over the latest 40 public posts (spanning ~314 hours).
Posting hours (UTC) — busiest: 03:00
Languages: English (36) · German (3) · Polish (1)
Avg boosts / post: 2.2
Top of the latest posts
Y’all! Please, please, please use appropriate passwords. We’re seeing a big spam campaign across the fediverse, using hacked accounts. First, change your fediverse password. Especially if it’s reused elsewhere, short/weak, or really old. Th
I'm surprised by how this method for sending secure encrypted messages over insecure channels still works well even today - four years after I wrote it down. https://tilde.town/~kzimmermann/updates/20220418_0951.html #GPG #Encryption #Cyber
(mal abgesehen davon, wie dämlich es ist, sowas in Microsoft Word zu diskutieren...) #opsec
What “opsec” means
WikipediaOperational security (OPSEC) or operations security is a process that identifies critical information to determine whether friendly actions can be observed by enemy intelligence, determines if information obtained by adversaries could be interpreted to be useful to them, and then executes selected measures that eliminate or reduce adversary exploitation of friendly critical information.
“Operational security” on Wikipedia (CC BY-SA) →#opsec across platforms
every network with a public tag surfaceFollow #opsec 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/opsec