20+ Best Alternatives to Ocean Security in 2026
AI security agents that investigate every email's intent in real time
Looking for an alternative to Ocean 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 →
Ocean
$28MAgentic email security against AI-powered attacks
Why it's similar: Shares categories with Ocean Security — AI Email, AI for Cyber Defense.
💵 Custom
- 2View alternative →
AegisAI
$13MAutonomous AI agents that stop phishing before it reaches the inbox
Why it's similar: Shares categories with Ocean Security — AI Email, AI for Cyber Defense.
💵 Free
- 3View alternative →
Abnormal Security
$760MProtect humans with behavioral AI against phishing, social engineering, and account takeovers.
Why it's similar: Shares categories with Ocean Security — AI Email, AI for Cyber Defense.
💵 Enterprise · Contact sales
- 4View alternative →
Chainguard
$256MSecure, minimal container images for software and AI supply chains
Why it's similar: Shares categories with Ocean Security — AI for Cyber Defense.
💵 Free
- 5View alternative →
Semgrep
$204MAutonomous code security and static analysis for developers
Why it's similar: Shares categories with Ocean Security — AI for Cyber Defense.
💵 Free
- 6View alternative →
Alcatraz AI
$100MAI facial authentication that replaces the access badge with your face
Why it's similar: Shares categories with Ocean Security — AI for Cyber Defense.
💵 Hardware + subscription (contact sales)
- 7View alternative →
Horizon3.ai
$178.5MAutonomous penetration testing with NodeZero, run continuously at production scale
Why it's similar: Shares categories with Ocean Security — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 8View alternative →
BlinkOps
$90MAgentic security automation platform built on no-code micro-agents
Why it's similar: Shares categories with Ocean Security — AI for Cyber Defense.
💵 Free trial
- 9View alternative →
Artemis Security
$70MAI-native protection platform for modern security operations
Why it's similar: Shares categories with Ocean Security — AI for Cyber Defense.
💵 Contact-sales
- 10View alternative →
TENEX.AI
$27MAI-native, human-led managed detection and response
Why it's similar: Shares categories with Ocean Security — AI for Cyber Defense.
💵 Managed service subscription (contact sales)
- 11View alternative →
Pixee
$15MAgentic AppSec platform that auto-triages and fixes code vulnerabilities
Why it's similar: Shares categories with Ocean Security — AI for Cyber Defense.
💵 Free
- 12View alternative →
Fyxer AI
$30MAI executive assistant that organizes your inbox, drafts email replies in your own voice, and
Why it's similar: Shares categories with Ocean Security — AI Email.
💵 Free
- 13View alternative →
Armadin
$189.9MAutonomous AI red-teaming for the era of AI hyperattacks
Why it's similar: Shares categories with Ocean Security — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 14View alternative →
Torq
$332MAgentic AI platform for the autonomous SOC
Why it's similar: Shares categories with Ocean Security — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 15View alternative →
Mindy
$6MEmail-based AI personal assistant that you interact with simply by sending and CC'ing emails
Why it's similar: Shares categories with Ocean Security — AI Email.
💵 Free
- 16View alternative →
Silence Laboratories
$6MPrivate computing infrastructure using MPC to protect secrets, data and keys
Why it's similar: Shares categories with Ocean Security — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 17View alternative →
Realm
$5MAI-powered security data pipeline for modern security operations
Why it's similar: Shares categories with Ocean Security — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 18View alternative →
MindFort
$3MAutonomous AI security agents that find, validate and patch web app vulnerabilities
Why it's similar: Shares categories with Ocean Security — AI for Cyber Defense.
💵 Enterprise · Contact sales
- 19View alternative →
ZeroPath
UndisclosedAI-native SAST that finds business-logic flaws and ships verified patches
Why it's similar: Shares categories with Ocean Security — AI for Cyber Defense.
💵 Free trial
- 20View alternative →
Sentra
$105MCloud-native data security for the AI era
Why it's similar: Shares categories with Ocean Security — AI for Cyber Defense.
💵 Enterprise · Contact sales
Frequently asked questions
What are the best alternatives to Ocean Security?
The top-ranked alternatives to Ocean Security on NeuronFeed are Ocean, AegisAI, Abnormal Security, Chainguard, Semgrep. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Ocean Security?
Yes — AegisAI, Chainguard, Semgrep offer a free plans. See the pricing column for each alternative above.
How is this list ranked?
We rank alternatives by shared categories with Ocean Security, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.
Ocean Security vs Ocean — which is better?
It depends on use case. Ocean (Agentic email security against AI-powered attacks) is the #1-ranked alternative. See the full side-by-side at /compare/ocean-security-vs-ocean-email-security.
Explore more around Ocean Security
Contextual paths to related AI startups, deals and rankings.