RAD Security

Asymptote Labs builds runtime infrastructure for AI coding agents: the open-source Agent Beacon telemetry layer plus an enterprise platform giving security, engineering and platform teams visibility, governance and control over agents running locally, in CI or in the cloud.

Mate (Mate Security) is a Tel Aviv-based AI security-operations startup founded in 2025. Its platform is built around a Security Context Graph so autonomous AI agents can detect, triage, investigate, and respond to alerts. It raised a Series A led by Canaan Partners, bringing total funding above $50M.

Rein Security, founded in 2024 and headquartered in Tel Aviv and New York, provides runtime security for enterprise AI agents — visibility into agent behavior, real-time contextual guardrails and governance, and agent supply-chain security — built on the same agentless runtime-context technology behind its AppSec product (API security, SCA reachability, detection and response). Customers include Dun & Bradstreet, Lemonade and H&R Block.

Astha.ai is a Palo Alto, California-based company founded in 2025 that provides runtime-aware security and compliance for AI agent infrastructure. It leads the SAFE Agentic Framework and initiated the open-source SAFE-MCP project to map, assess and mitigate attack paths in AI agents and Model Context Protocol (MCP) deployments, offering continuous assessment, scanning, identity and access control, and audit-ready compliance evidence mapped to NIST, the EU AI Act and SOC 2, alongside an AI Agentic Security (AIAS) Practitioner certification.

Glow , a one-year-old Palo Alto startup that helps companies monitor employee devices and block risky software, scripts, and AI tools before they run, raised a $180 million Series A round at a $1.2 billion post-money valuation. The deal was co-led by Sequoia Capital , Cyberstarts , Greenoaks , and Redpoint Ventures , with Index Ventures , Swish Ventures , Lux Capital , Operator Collective , and Holly Ventures also participating. TechCrunch has more here .

Oak & Sparrow Systems Enterprise, founded in 2026 in San Francisco, builds Gatekeeper, an on-premises AI governance layer that checks every AI input and action against deterministic rules mapped to HIPAA, FERPA, CCPA, COPPA, PCI and FINRA, blocks violations before data leaves the organization, and seals each decision in a tamper-evident hash-chained log for regulated sectors such as legal, insurance, healthcare, community banking and school systems.