The Cybersecurity and Infrastructure Security Agency (CISA) gained access to the limited release cybersecurity-focused model last week, Nextgov/FCW reports. It’s just a little late, since the rest of the world has mostly moved onto the drama around the Trump administration’s block of the safeguarded public version of the model, Fable. [Link: CISA now has full Mythos Preview access, people familiar say | https://www.nextgov.com/cybersecurity/2026/06/cisa-now-has-full-mythos-preview-access-people-familiar-say/414260/ | Nextgov.com]