Pillar Security

Company Overview

Snapshot

Founded in September 2023 by Ziv Karliner, Pillar Security operates with 11–50 employees. In April 2025, Pillar Security secured a Seed round to advance its AI security platform.

Business overview

Pillar Security provides a unified AI security platform designed to enable organizations to safely develop, deploy, and scale AI solutions across the entire AI lifecycle. Its core technology adapts to various infrastructures, supporting model-agnostic, self-hosted, and cloud deployments, as well as integrations with leading foundation model providers. The company serves enterprises by offering runtime guardrails and automated red teaming capabilities to proactively identify and mitigate AI-specific threats, ensuring continuous protection, robust governance, precise risk detection, enhanced data security, and compliance support for AI-powered applications.

Strategic signal

In April 2025, Pillar Security secured a Seed funding round, with. This investment highlights the growing market recognition of the critical need for specialized security solutions as attacks increasingly target Large Language Models (LLMs) and their training data, positioning Pillar Security at the forefront of securing the evolving AI landscape.

Company Intelligence Q&A

What is Pillar Security's primary focus?

Pillar Security focuses on securing the entire AI lifecycle, from development through production to usage, enabling organizations to safely develop, deploy, and scale AI solutions.

When was Pillar Security founded?

Pillar Security was founded in September 2023.

Who are the co-founders of Pillar Security?

Pillar Security was co-founded by Ziv Karliner.

What was a significant recent funding event for Pillar Security?

In April 2025, Pillar Security secured a Seed funding round. Shield Capital was a lead investor in this round, which also included participation from Ground Up Ventures.

What recent insights has Pillar Security shared regarding GenAI security?

In October 2024, Pillar Security released a report on the State of Attacks on GenAI, revealing that 90% of successful attacks observed in the wild resulted in leaked sensitive data. This highlights critical GenAI vulnerability risks.