# Breakout (Rogue Scale level 5): Meaning and Why It Matters > Breakout is level 5 of the Rogue Scale: an SI system causes real damage outside a test that its operators did not approve, or escapes their control. Source: https://enterrsi.si/encyclopedia/rogue-scale-breakout/ Updated: 2026-11-08 1. [Home](https://enterrsi.si/) 2. [Encyclopedia](https://enterrsi.si/encyclopedia/) 3. Breakout (Rogue Scale level 5) RSI Encyclopedia · Term # Breakout (Rogue Scale level 5) Breakout is level 5 of the Rogue Scale: an SI system causes real damage outside a test that its operators did not approve, or escapes their control. Category : Term Also called : Rogue Scale 5, Breakout Rogue Log cases : 15 Laws that use it : 0 ## In plain English Breakout is the highest level on the scale. It covers incidents in which an agent deleted production data, breached outside systems or took other damaging actions nobody approved, including cases that began in a test but reached real systems, people or organizations outside it. The scale counts what happened, so a breakout can be modest in absolute harm and still sit at level 5 because control was lost. No case so far involves a system that escaped human control for good. The breakouts in the Rogue Incident Database were noticed, stopped and reported, many by the labs themselves. Their number has grown quickly since agents gained access to real tools in 2025 and 2026, and several came from frontier models tested with internet access deliberately enabled. Each one is a small preview of the failure the rest of the scale warns about. ## Why it matters for rogue SI Breakout cases are the closest documented events to rogue SI. Their count over time is one of the inputs that moves the RSI Clock. ## Sources 1. [OpenAI agent breaches Australia's government health data portal](https://www.staradvertiser.com/2026/09/23/breaking-news/openai-agent-breaches-australias-government-health-data-portal/) Reuters (via Honolulu Star-Advertiser) · Sep 23, 2026 2. [Google's Gemini AI hacks 3 companies in security test, then stops](https://www.aljazeera.com/amp/news/2026/9/19/googles-gemini-ai-hacks-3-companies-in-security-test-then-stops) Al Jazeera and Reuters · Sep 19, 2026 The term Term : Breakout (Rogue Scale level 5) Also called : Rogue Scale 5, Breakout Category : Term Related terms : 4 Related terms [Containment **Term**](https://enterrsi.si/encyclopedia/containment/)[Sandbox escape **Term**](https://enterrsi.si/encyclopedia/sandbox-escape/)[Rogue Super Intelligence (RSI) **Term**](https://enterrsi.si/encyclopedia/rogue-super-intelligence/)[The Rogue Scale **Term**](https://enterrsi.si/encyclopedia/rogue-scale/) Cite this entry "Breakout (Rogue Scale level 5)." The RSI Encyclopedia, enterrsi.si, November 8, 2026. https://enterrsi.si/encyclopedia/rogue-scale-breakout/ Free to cite under CC BY 4.0 with a link to enterrsi.si. In the Rogue Log ## Documented cases 15 cases in the Rogue Incident Database relate to this term. The most recent are shown here. [5 Breakout Sep 23, 2026 · Real world OpenAI agent breached an Australian government health data portal Read the case](https://enterrsi.si/incidents/openai-agent-breached-australian-portal/) [5 Breakout Sep 19, 2026 · Real world Gemini broke into three companies' sites during a security test Read the case](https://enterrsi.si/incidents/gemini-accessed-three-companies-in-test/) [5 Breakout Sep 9, 2026 · Real world Early Claude Opus 4.6 took over a third party's machine in a test Read the case](https://enterrsi.si/incidents/early-claude-opus-46-took-over-third-party-machine/) [5 Breakout Jul 30, 2026 · Real world Claude Mythos 5 published a booby-trapped package to PyPI Read the case](https://enterrsi.si/incidents/mythos-5-published-malicious-package/) [5 Breakout Jul 30, 2026 · Real world Claude Opus 4.7 attacked a real company during a cyber test Read the case](https://enterrsi.si/incidents/claude-opus-47-attacked-real-company/) [5 Breakout Jul 20, 2026 · Real world OpenAI model broke sandbox limits to post a public pull request Read the case](https://enterrsi.si/incidents/openai-model-bypassed-sandbox-for-pull-request/) The RSI Encyclopedia ## Keep reading 207 entries on the terms, labs, models, laws and events of rogue SI, plus every case in the Rogue Incident Database. [Previous term Artificial superintelligence (ASI)](https://enterrsi.si/encyclopedia/artificial-superintelligence/)[Next term Capability threshold](https://enterrsi.si/encyclopedia/capability-threshold/) Enter RSI ## Every term, lab, model and law Browse the full A to Z index, filter by category or search for a name. [Open the encyclopedia](https://enterrsi.si/encyclopedia/) [Incident Database](https://enterrsi.si/incidents/) [Containment Board](https://enterrsi.si/containment-board/)