Cinder
Cinder is a trust & safety operations platform founded by former Meta security, counterterrorism and policy leaders.
About
Cinder is a trust & safety operations platform founded by former Meta security, counterterrorism and policy leaders. It unifies case management, investigations, policy enforcement and content moderation, and uses AI agents to screen prompts and AI outputs, automate most moderation decisions and red-team models; customers include OpenAI, Character.AI, Midjourney and ElevenLabs.
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Founders / team· 4
Comparable companies· by market
This company
BusinessLatest roundTotal raisedDate- Cinder
Cinder is a trust & safety operations platform founded by former Meta security, counterterrorism and policy leaders. It unifies case management, investigations, policy enforcement and content moderation, and uses AI agents to screen prompts and AI outputs, automate most moderation decisions and red-team models; customers include OpenAI, Character.AI, Midjourney and ElevenLabs.
$55M
$55M
United States
BusinessLatest roundTotal raisedDate- Petual
Agentic AI to automate audit and compliance workflows, including evidence collection, workpaper generation and control testing
$40M · 2026-04
$40M - Anecdotes
AI-driven automated governance, risk and compliance management platform for enterprises
Series B · $30M · 2025-04
$30M - ROOST
ROOST (Robust Open Online Safety Tools) is a U.S. nonprofit launched at the February 2025 Paris AI Action Summit and incubated at Columbia University's Institute of Global Politics. Backed by founding partners including Google, OpenAI, Discord and Roblox, it builds free, open-source trust-and-safety infrastructure such as the Osprey abuse-detection rules engine, the Coop review workspace and the ROOST Model Community for AI safety models.
$27M
$27M
Europe
BusinessLatest roundTotal raisedDate- Adclear
Automated review platform for marketing compliance (FinProm) at financial institutions
Seed · $3M · 2025-11
$3M - Mindgard
Helps companies protect their AI systems from cyber threats through automated security testing and vulnerability detection
Undisclosed · $8M · 2024-12
$8M - HelmGuard
AI agent-driven governance, risk and compliance assessments
Seed · 2026-09
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Other / unspecified
BusinessLatest roundTotal raisedDate- Tangos
Autonomous AI automating financial crime investigations, including AML, sanctions compliance and fraud
Seed · $20M · 2026-07 · Valuation $100M
$20MValuation $100M - Alice
Provides frontier model developers and large internet platforms with the AI safety suite WonderSuite (pre-launch stress testing WonderBuild, runtime guardrails WonderFence, continuous red teaming WonderCheck), as well as content moderation and adversarial intelligence.
Undisclosed · $280M · 2026-08
$280M - Pluto Security
AI workspace security: monitoring and control of security risks from employee use of AI tools, AI agents and MCP servers
Series A · $42M · 2026-10
$42M
Confirmed rounds only. Matched on subsector, sector, stage and funding scale — each verifiable on the company profiles.
Investors that may fit
Andreessen Horowitz
18 Security & Compliance deals in the last 24 months · 16 in NYC Metro
Request intro →Greylock Partners
14 Security & Compliance deals in the last 24 months · 12 in NYC Metro
Request intro →Ten Eleven Ventures
14 Security & Compliance deals in the last 24 months · 7 in NYC Metro
Request intro →Ranked by each firm’s deals in this sector over the last 24 months, weighted by nearby stage and shared geography. Indicative only — no rating judgment.