Agentic email security where AI works for you, not around you

Prevent more threats, respond faster, and spend less time on email security.

Trusted by leading security teams

Compass

Bentler

elastic

Snowflake

energy

ramp

zscaler

centrica

Cribl

Anduril

The Sublime advantage

Legacy email security is slow, centralized, and one-size-fits-all.

Sublime flips that script, delivering tailored protection that adapts to new threats in hours, not months.

Powered by three core components working in concert

Multi-layered AI engine

We analyze messages with a suite of modern AI models, including natural language processing and computer vision, to stop the full spectrum of attacks.

Agentic automation

Our AI agents work as extensions of your team, automating critical workflows from user report triage to proactive detection engineering.

Transparent detections

Every detection is human-readable and auditable, so your team can understand the why, adapt instantly, and avoid waiting on vendor tickets.

An adaptive defense, tailored to you

Our Distributed Detection Model (DDM) combines intent and behavioral analysis, deep content inspection, and more to stop sophisticated attacks.

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Meet your AI security agents

Sublime's agents automate critical workflows to make your entire defense more responsive and effective.

Diagram showing how attacker adaptation evades core detection coverage, resulting in missed attacks handled by ASA (Autonomous Security Analyst) and new validated detections created by ADÉ (Autonomous Detection Engineer).

Built for every security team

Block email-based attacks

Stop novel phishing, BEC, and malware with broad AI-powered coverage.

Keep legitimate business email moving

Avoid costly false positives with granular exclusions and explainable detections.

Automate user report investigations

Automatically triage user reports and clear your abuse mailbox backlog.

Respond instantly to new threats

Update detection coverage for emerging threats in hours, not months.

Deploy custom detections

Write, backtest, and safely roll out tailored policies for your environment.

Hunt for attacker techniques

Retro-hunt for behavioral signals and other non-IOCs across all messages.

Operationalize threat intelligence

Auto-hunt new IOCs and enforce forward blocks with bi-directional TIP integration.

Accelerate incident response

Trace incidents to email origins, scope full campaigns, and remediate fast.

Reduce your attack surface

Proactively eliminate entire threat classes based on unusual environmental patterns.

Run YARA across all email content

Natively execute YARA rules on bodies, attachments, and URLs - live and retroactively.

Detect sensitive data movement

Identify PII exposures across inbound, outbound, and internal mail flows.

Integrate and automate your stack

Orchestrate workflows via a full REST API and export telemetry to your SIEM/SOAR.

Integrate seamlessly with your stack

Sublime is an API-first platform designed to extend and enhance your existing security investments, creating a unified, automated defense.

See all integrations

Two ways to try Sublime for free

Quickly protect your email environment with Sublime’s free email security tools. Create an account or analyze an email right away.

Analyze an email

1

Scan and analyze suspicious emails with advanced email protection tools.

2

Get actionable insights into email threats.

3

Preview suspicious links and identify phishing attempts.

View Analyzer API docs

Get started with Sublime

1

Start with Enterprise to evaluate the full platform.

2

Deploy fast and scale confidently, from early-stage teams to complex enterprise environments.

3

Autonomous, AI-powered email security that adapts to new threats.

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Now is the time

See how Sublime delivers autonomous protection by default, with control on demand.