Startup · United Kingdom
PromptGuard
HQ London, United Kingdom1-10 employeesUpdated
Block prompt injection, jailbreaks and PII leaks before they reach your model.
Systems2
Newest unveiled first. Systems that belong to a government program link to the program page, where variants, costs and contracts are.
Capabilities1
| Technology | Role | Maturity | TRL | Notes | Confidence |
|---|---|---|---|---|---|
| Information management and cybersecurity | Developer | — | — | classify_sectors run 52, haiku, taxonomy 2026-10-18b: LLM firewall blocking prompt injection, data exfiltration and PII leaks, a cybersecurity product with no defense use stated. | Reported |
- Developerclassify_sectors run 52, haiku, taxonomy 2026-10-18b: LLM firewall blocking prompt injection, data exfiltration and PII leaks, a cybersecurity product with no defense use stated.—Reported
Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.
People2
| Person | Role |
|---|---|
| Abhijoy Sarkar | Co-Founder |
| Arouba Z. | Co-Founder |
Sources4
Profile1
- 1
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "UK", "hq_iso2": "GB", "id": "c801008d-a888-49f3-aec0-fdfcea1b79b8"}”
Systems2
- 2
PromptGuard · Supports Organization · description, Organization · linkedin url, Organization · name, Organization · website, System
“Block prompt injection, jailbreaks and PII leaks before they reach your model. Run the LLM firewall in our cloud, in your VPC, or entirely air-gapped.”
- 3
PromptGuard · Supports System
“PromptGuard is available as a fully managed cloud service (SaaS) running on Google Cloud infrastructure with auto-scaling, managed SSL, and DDoS protection via Cloud Armor.”
People1
- 4
LinkedIn · Supports Organization · employee range, Organization · hq city, Organization · ownership, Role
“employee_range: 1-10 (profile: 2-10 employees)”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.