CΑ | Communications Security Establishment #15173313
Description
The 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆 𝗘𝘀𝘁𝗮𝗯𝗹𝗶𝘀𝗵𝗺𝗲𝗻𝘁 (𝗖𝗦𝗘) is Canada’s cryptologic and cyber defence agency responsible for foreign signals intelligence collection, cyber security, and protection of government information systems. The Agency supports national security and intelligence operations. The Establishment conducts advanced cyber operations, monitoring, and technical intelligence analysis to defend Canada’s digital infrastructure and promote cyber resilience. CSE operates under the Communications Security Establishment Act, with responsibilities including: • Foreign signals intelligence • Cyber defence and threat mitigation • Technical security services • Information infrastructure protection
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 We do not publish numbers we have not measured.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 |
|---|---|---|
| 10 Aug 2026, 21:57 | 4 | first reading |
Ownership
Owned by vinny (@DominionEh) as measured.
Members we’ve seen
vinny (@DominionEh) — Confederate Founder (rank 255)
@SapperEh — Group Owner (rank 254)
KoltinHFitzalan (@KoltinHenrik) — Group Administrator (rank 250)
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.