![[UK] || Security Service ||](https://tr.rbxcdn.com/180DAY-ef424d178c3c4e9df7b7ea6f56f5cf4f/150/150/Image/Png/noFilter)
[UK] || Security Service || #9564639
Game studiosENUK GovernmentIntelligence AgenciesPublic Service
Description
The Security Service, also known as Mi5 (Military Intelligence, Section 5), is the United Kingdom's domestic counter-intelligence and security agency and is part of its intelligence machinery alongside the Secret Intelligence Service (Mi6) and Defence Intelligence. The service is directed to protect British parliamentary democracy and economic interests and to counter violence and espionage within the United Kingdom. It is overseen by the Home Office.
Written by the group; not a statement by this register.
Membership history
Growth
Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.
| Measured (UTC) | Members | Change |
|---|---|---|
| 12 Aug 2026, 00:35 | 2 | first reading |
Ownership
Owned by user #2249040768 as measured.
Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.
Members we’ve seen
Max (@CatastrophicMax) — Group Manager (rank 254)
A sample — only members this register has independently measured, highest rank first. Not the full roster.
Rank structure
Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).
Related groups
Groups whose measured members overlap with this one — a sample from our membership graph.
Open data
Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)
Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.