Mindgard
mindgard.ai
Actively hiring
Vulnerability Management
AI Safety & Alignment
Cybersecurity AI
Penetration Testing
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Salaries
Products
People
Growth
Offices
Financials
Funding and backers
Total raised
$30M
7 rounds on record
Latest round
$30M
Series A · Aug 2026 · 2 mo ago
Team
51-200
employees, estimated range
Backers
3
.406 Ventures, Atlantic Bridge
The money's age
Fresh money
2 months since the last round · not hiring
Momentum
35/100
in the news, fresh money
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Aug 12
Raised a round Series A $30M
Jul 14
On the Hacker News front page Cursor 0day: When Full Disclosure Becomes the Only Protection Left · 454 points
Jun 12
Raised a round Venture round
May 27
Launched Mindgard Launches GuardBuster to Measure How AI Guardrails Perform in Real-World Environments · morningstar.com
Aug 14, 2025
Raised a round Venture round
Dec 17, 2024
Raised a round Venture round
Aug 18, 2023
Raised a round Venture round
Mar 31, 2023
Raised a round Venture round
Nov 30, 2022
Raised a round Venture round
2022
Founded
Tractionpublic signals, read monthly
Web presence
top 2%
of 133.2M domains by links, Common Crawl
Hacker News stories
6
best: 454 points
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Series A | Aug 2026 | $30M | — | businesswire.com |
| Venture round | Jun 2026 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Aug 2025 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Dec 2024 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Aug 2023 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Mar 2023 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Nov 2022 | — | — | find-and-update.company-information.service.gov.uk |
Registers and programsofficial lists and records that name the company
| Legal entity | Policy Mindgard Limited | its site |
| Registered | 20 May 2022 |
Backed byfrom the funds' portfolios and accelerator catalogs
.406 Ventures 
Atlantic Bridge 
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Overview
Mindgard is a Lancaster University spin-out that tests machine learning models for adversarial, extraction and jailbreak vulnerabilities. Founded in 2022 and based in London, it grew out of a decade of academic research into artificial intelligence security. Its platform runs automated attack libraries against models before and after deployment.
News
Amazon Kiro: AI Is Breaking Vulnerability Disclosure Processes - Mindgard
An Amazon Kiro data-exfiltration finding shows how AI execution paths create technical risks and expose gaps in vulnerability disclosure.
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Report
Lancaster University spinout Mindgard lands €26 million to secure enterprise AI systems
Mindgard, a Boston and London-based AI security startup, has closed a €26 million ($30 million) Series A financing to scale the company across product, engineering, sales, and marketing in response to significant customer demand. The round was led by Albu
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Report
Mindgard Raises $30 Million Series A To Expand AI Security Platform
Mindgard has raised $30 million in Series A funding to expand its AI security platform as enterprises increase deployment of AI models, agents, and applications. Album VC led the financing, with participation from Karma Ventures and existing investors .40
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Report
Mindgard Raises $30M Series A by Turning Attacker Behavioral Intelligence into Effective AI Defense
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Report
Mindgard Raises $30M Series A by Turning Attacker Behavioral Intelligence into Effective AI Defense
Read more
Report
Cursor 0day: When Full Disclosure Becomes the Only Protection Left - Mindgard
The vulnerability nobody seems interested in fixing
Read more
Report
Mindgard Launches GuardBuster to Measure How AI Guardrails Perform in Real-World Environments
Read more
Report
ChatGPT Spontaneously Generates Sexual Violence and Hardcore Snuff Imagery - Mindgard
Viral prompt shows that ChatGPT's content filters don't work
Read more
Report
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Offices
Where the company hires and what each office is for
Cities
2
Hiring now
0
Countries
2
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Headquarters
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London
United Kingdom
HQ
Boston
United States
HQ
Boston HQ
470 Atlantic Ave. Boston, MA 02210, USA
Financials
Total raised
$30M
Latest round
Series A
Funding rounds
7
Funding rounds