20+ Best Alternatives to Pillar Security in 2026
The security platform for AI applications and agents
Looking for an alternative to Pillar Security? Below are 20 AI startups working in the same space — ranked by our Neuron score so the most credible options come first. Each card shows what makes the tool a viable substitute, pricing signals, and funding stage.
- 1View alternative →
GitGuardian
$106MSecrets detection and non-human identity security platform
Why it's similar: Shares categories with Pillar Security — AI Governance, AI for Cyber Defense.
💵 Free
- 2View alternative →
Astrix Security
$70MIdentity security for AI agents and non-human identities
Why it's similar: Shares categories with Pillar Security — AI Governance, AI for Cyber Defense.
💵 Enterprise · Contact sales
- 3View alternative →
Aurascape
$50MAI-native security to discover, govern, and protect enterprise AI use
Why it's similar: Shares categories with Pillar Security — AI Governance, AI for Cyber Defense.
💵 Free
- 4View alternative →
Lumia Security
$18MGovernance and control for enterprise AI agents
Why it's similar: Shares categories with Pillar Security — AI Governance, AI for Cyber Defense.
💵 Enterprise · Contact sales
- 5View alternative →
Knostic
$14MNeed-to-know access controls and security for enterprise AI
Why it's similar: Shares categories with Pillar Security — AI Governance, AI for Cyber Defense.
💵 Free
- 6View alternative →
WitnessAI
$85.5MAI safety and governance platform for the enterprise
Why it's similar: Shares categories with Pillar Security — AI Governance, AI for Cyber Defense.
💵 Enterprise · Contact sales
- 7View alternative →
Klaimee
$500KLiability insurance for AI agents — you deploy them, we cover you.
Why it's similar: Shares categories with Pillar Security — AI Governance, AI for Cyber Defense.
💵 Contact-sales
- 8View alternative →
Saviynt
$870MAI-powered identity security for humans, machines, and AI agents
Why it's similar: Shares categories with Pillar Security — AI Governance, AI for Cyber Defense.
💵 Enterprise · Contact sales
- 9View alternative →
Lakera
UndisclosedThe leading AI-native security platform to secure your AI future and accelerate GenAI, agents, and MCPs for enterprise teams.
Why it's similar: Shares categories with Pillar Security — AI Governance, AI for Cyber Defense.
💵 Enterprise · Contact sales
- 10View alternative →
Peregrine Technologies
$440MDecision-support and data integration platform for public safety agencies
Why it's similar: Shares categories with Pillar Security — AI Governance.
💵 Free
- 11View alternative →
Armadin
$189.9MAutonomous AI red-teaming for the era of AI hyperattacks
Why it's similar: Shares categories with Pillar Security — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 12View alternative →
Abnormal Security
$760MProtect humans with behavioral AI against phishing, social engineering, and account takeovers.
Why it's similar: Shares categories with Pillar Security — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 13View alternative →
Torq
$332MAgentic AI platform for the autonomous SOC
Why it's similar: Shares categories with Pillar Security — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 14View alternative →
Sentra
$105MCloud-native data security for the AI era
Why it's similar: Shares categories with Pillar Security — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 15View alternative →
Jazz
$61MAI-powered data loss prevention that understands intent, context and risk
Why it's similar: Shares categories with Pillar Security — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 16View alternative →
Exaforce
$200MAgentic SOC platform for real-time threat detection and response
Why it's similar: Shares categories with Pillar Security — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 17View alternative →
Oasis Security
$195MAgentic access management to secure AI agents and non-human identities
Why it's similar: Shares categories with Pillar Security — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 18View alternative →
Bold Security
$40MEdge-AI endpoint security that turns every device into an active agent
Why it's similar: Shares categories with Pillar Security — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 19View alternative →
Horizon3.ai
$178.5MAutonomous penetration testing with NodeZero, run continuously at production scale
Why it's similar: Shares categories with Pillar Security — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 20View alternative →
Tines
$146.2MThe intelligent workflow platform to securely scale AI and automation, integrating agents, teams, and tools with speed and control.
Why it's similar: Shares categories with Pillar Security — AI for Cyber Defense.
💵 Enterprise · Contact sales
Frequently asked questions
What are the best alternatives to Pillar Security?
The top-ranked alternatives to Pillar Security on NeuronFeed are GitGuardian, Astrix Security, Aurascape, Lumia Security, Knostic. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Pillar Security?
Yes — GitGuardian, Aurascape, Knostic offer a free plans. See the pricing column for each alternative above.
How is this list ranked?
We rank alternatives by shared categories with Pillar Security, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.
Pillar Security vs GitGuardian — which is better?
It depends on use case. GitGuardian (Secrets detection and non-human identity security platform) is the #1-ranked alternative. See the full side-by-side at /compare/pillar-security-vs-gitguardian.
Explore more around Pillar Security
Contextual paths to related AI startups, deals and rankings.