Catalog Systems Use-case-specific agent harnesses Apex Security

Apex Security

https://www.apex.security/

Founded 2023 by Tomer Avni + Matan Getz (ex-Microsoft); generative-AI security platform spanning red-teaming, DLP, and runtime. $7M seed Apr-2024 (Sequoia + Index Ventures).

Active · Verified 2026-10-28 · fresh as of 2026-10-28 · 15 cited facts, 0 with a third-party source · Suggest a correction

At a glance

Type
Generative-AI security platform (red-team + DLP + runtime) vendor fix
Tier
T2
Section
Use-case-specific agent harnesses
Created
2023 (founded) vendor fix
Latest release
not applicable — wrong section fix
License
not applicable — not OSS fix
GitHub
not applicable — no GitHub repo fix
Pricing
not applicable — wrong section fix
Funding
$7M seed Apr-2024 (Sequoia + Index Ventures) vendor fix
Freshness
2026-10-28 fix
Layer
agent-infra repo fix
Licensing
commercial vendor fix

When to use

Optimised for: enterprise GenAI usage governance

Anti-fit: not applicable — wrong section

Pros & cons

Pros

Sequoia + Index seed; multi-LLM browser-side coverage; emphasis on employee AI tool risk.

Cons

Early-stage; competing with both Microsoft Purview and dedicated red-team vendors.

Claims & capabilities

$7M seed Apr-2024 (Sequoia + Index); SaaS + browser extension; multi-LLM coverage (ChatGPT, Copilot, Gemini, Claude)

Technical surface

API surface
not applicable — wrong section
Backend storage
not applicable — wrong section
Deployment
not applicable — wrong section
Embedding model
not applicable — not a memory product
Multi-tenancy
not applicable — wrong section
MCP
not applicable — wrong section
A2A
not applicable — wrong section
OpenTelemetry
not applicable — wrong section

Alternatives to Apex Security → live options ranked by shared design, licence, hosting and MCP support

Similar systems

Other use-case-specific agent harnesses in the catalog, ranked by inbound references.

  • Calypso AI (now F5 AI Guardrails) T2

    Dublin / NYC founded 2018; GenAI security and content scanning. $23M Series A-1 Aug-2024 (Paladin Capital + Lockheed Martin Ventures). Pivoted from defence ML to enterprise GenAI guardrails 2023-24.

  • Salesforce Agentforce T1

    Cross-listing: Salesforce Agentforce already exists under Vertical / Customer-support / voice memory; this row is the Agent-harness framing — Agentforce as the consumer-facing agent IDE / builder on Data Cloud. Agentforce launched Sep-2024; Agentforce 2.0 announced Dec-2024.

  • Lasso Security T2

    Tel-Aviv-founded LLM security platform — adversarial testing, prompt-injection defence, data-leakage prevention. $6M seed Nov-2023 (Entrée Capital + Samsung Next).

  • Pillar Security T2

    Tel-Aviv-founded (Dor Sarig + Ziv Karliner, both ex-IDF cyber); end-to-end LLM security platform — discovery, red-teaming, runtime guardrails. $9M seed Apr-2024 (Shield Capital + Greenfield).

  • Promptfoo T2

    OSS (MIT) prompt-engineering eval and red-team CLI; supports OWASP LLM Top-10 vulnerability tests, jailbreak generation, and CI/CD pipeline integration. $5M seed Mar-2024 (Andreessen Horowitz). Founders ex-Discord + ex-Smile Identity.

  • Protect AI T2

    Founded 2022 by Ian Swanson + Daryan Dehghanpisheh (ex-AWS); AI/ML supply-chain + GenAI security. Acquired by Palo Alto Networks (2025-07-22; announced Apr-2025, reported $700M); its capabilities now ship in Prisma AIRS. Products: Recon (red-team), ModelScan (model artifact scanner), Sightline (vulnerability DB).

Sources (14 cited facts, 0 third-party)

Each fact links to the page it came from; the badge says who published it (how to read sources).