Caution lists 1 more person on its directory entry and Nebula Security was listed 31 days earlier.
| Rank | Company | Score | Team size | Listed | Founders named | Tech signals |
|---|---|---|---|---|---|---|
| 1 | Cautionleads | 78 | 5 people · 83rd pctadds 35 | 2026-08-03 · 40d agoadds 18 | 3adds 25 | 0adds 0 |
| 2 | Nebula Security | 73 | 4 people · 74th pctadds 31 | 2026-07-02 · 71d agoadds 12 | 4adds 25 | 4adds 5 |
A score out of 100 comparing what each company's record shows for team size within its batch, listing recency, founders named and tech-stack signals.
- Team size within its batchup to 42
- Listing recencyup to 25
- Founders namedup to 25
- Tech-stack signalsup to 8
- 75 and up
- 55 to 74
- 35 to 54
- under 35
| Measure | Caution | Nebula Security |
|---|---|---|
| Batch | Summer 2026 | Summer 2026 |
| Team size | 5 | 4 |
| Stage | Early | Early |
| Status | Active | Active |
| Industry | B2B | B2B |
| Sectors | Cybersecurity, Cloud Computing, Infrastructure | B2B, Security, Cybersecurity, Enterprise, AI |
| Based | George Town, Cayman Islands | San Francisco |
| Year founded | 2025 | 2026 |
| Open roles | 0 | 0 |
| Founders | 3 | 4 |
| Group partner | Brad Flora | Ankit Gupta |
Caution
Against the 213 companies on file from Summer 2026. Median team 2, largest 30.
Nebula Security
Against the 213 companies on file from Summer 2026. Median team 2, largest 30.
Caution
Nebula Security
Read away from the record, per side. A side with nothing here is a side where nothing answered — the space is left empty rather than filled from the other one.
Caution
Caution is the generalized verifiable compute platform. Deploy to TEEs in minutes and let anyone verify exactly what
The title and description the site itself served, answering 200. Not a cached copy and not the company's directory entry — what was live when we asked.
Nebula Security
NebuSec builds Nebu, an AI security platform for continuous code and cloud protection, backed by researchers who find zero-days in Chrome and Linux.
The title and description the site itself served, answering 200. Not a cached copy and not the company's directory entry — what was live when we asked.
The full profile
Source Check, INVEST, RECRUIT and Press Requests on Caution
- Source Check — verify what Anton Livaja states, against the registers that hold it.
- INVEST — take this comparison past the two, across the whole group.
- RECRUIT — see who is already on both teams.
- Press Requests — connect with Anton Livaja for a story.
You land back on this comparison when you are in.
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Watchlist CautionBoth profiles in full: Caution · Nebula Security.
Both sides are read from the Y Combinator directory — Caution and Nebula Security. Both sites were read directly on the date shown — Caution and Nebula Security.