Sublime Security
Agentic AI email security that stops BEC and phishing with full transparency.
Sublime's AI agents are a genuine time-saver for SOC teams dealing with BEC and targeted phishing, but the platform demands dedicated detection engineering staff to review and tune auto-generated rules. Not a set-and-forget solution.
Verified 3h ago · liveness 75/100 · cite: rightaichoice.com/tools/sublime-security
- Enterprise security teams combating sophisticated BEC and VEC attacks
- SOC analysts needing transparent, auditable detection decisions
- Organizations wanting to reduce false positives from legacy email gateways
- Teams with in-house detection engineering talent to tune custom rules
- Small businesses lacking dedicated security staff to review AI-generated rules
- Teams wanting a fully automated, set-and-forget email security solution
- Organizations that only require basic spam and malware filtering
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Skip Sublime Security if you don't have a dedicated security engineer who can write custom detection rules in Sublime Script.
Pricing is contact-only; no public tiers to compare against competitors
Sublime Security's pricing is undisclosed, which limits comparison against peers like Abnormal Security or Proofpoint. It likely fits mid-large teams with budgets for premium email security, but smaller teams may find it expensive.
In short
Sublime Security — Agentic AI email security that stops BEC and phishing with full transparency. Best for Enterprise security teams combating sophisticated BEC and VEC attacks, SOC analysts needing transparent, auditable detection decisions, Organizations wanting to reduce false positives from legacy email gateways. Contact Sales pricing.
What independent users actually report about Sublime Security
We ran a structured research pass across product reviews, community discussions, and post-purchase forum threads to surface the patterns vendors won't publish themselves. Below: the recurring strengths, the hidden costs people mention most, and the cohort that consistently regrets adopting this tool.
46 mentions across 3 sources (YouTube, Bluesky, Lemmy).
- +Free EML Analyzer allows anyone to test threat detection rules without cost.
- +Free tier for small businesses under 100 employees with full security features.
- +Transparent detection decisions with evidence-backed verdicts, not black box.
- +AI agents reduce user report investigation time by claimed 80%.
- +Custom detection via Sublime Script (YARA-like) for tailored threat hunting.
- −Pricing undisclosed upfront; requires sales call for quote.
- −Only two email platform integrations: Microsoft 365 and Google Workspace.
- −Advanced customization requires detection engineering skills, not beginner-friendly.
- −Community feedback lacks depth; few critical reviews from real users.
- −Limited independent validation of 30% fewer false positives claim.
- • Pricing is opaque; likely scales with email volume or user count.
- • Advanced features may require separate vendor partnership or SOAR subscription.
Viability Score
How likely is Sublime Security to still be operational in 12 months? Based on 4 signals — momentum (how recently it shipped), wrapper dependency, revenue model, and web presence.
Last calculated: July 2026
How we score →Key Features
- Autonomous Security Analyst (ASA) for user report triage
- Autonomous Detection Engineer (ADÉ) for auto-authoring detections
- Custom detection rules with Sublime Script (YARA-like)
- Real-time detection of BEC, VEC, credential phishing, callback phishing
- Threat hunting interface for proactive investigation
- Full transparency with evidence-backed verdicts
- Automated incident response (quarantine, alert, remediation)
- Low false positive rate via adaptive learning
- Integration with Microsoft 365
- Integration with Google Workspace
- Email analysis via free EML Analyzer tool
- API for programmatic access
- Evidence-backed verdicts for every detection decision
- 80% faster user report investigation
- 30% fewer false positives than other API email security
About Sublime Security
Sublime Security is an agentic email security platform designed for mid-to-large enterprise security teams facing advanced targeted attacks like business email compromise (BEC), vendor email compromise (VEC), and novel phishing. Unlike static rule-based gateways or opaque black boxes, Sublime deploys specialized AI agents—the Autonomous Security Analyst (ASA) and Autonomous Detection Engineer (ADÉ)—that autonomously triage user-reported emails and author new detections tailored to your environment within hours. The platform offers full transparency into every detection decision, so security teams can understand exactly why an email was flagged. Key features include custom detection rules via Sublime Script (a YARA-like language), a threat hunting interface for proactive investigation, and out-of-the-box integrations with Microsoft 365 and Google Workspace. Sublime claims 30% fewer false positives than other API email security solutions and can reduce user report investigation time by 80%. It positions itself as a modern alternative to legacy gateways like Proofpoint and Mimecast, offering adaptive coverage without vendor bottlenecks. For organizations with in-house detection engineering talent, Sublime provides the tools to build and refine custom detections, while the AI agents handle the repetitive triage work.
Behind the Verdict
Sublime Security targets a specific pain point: enterprise SOCs drowning in user-reported emails and struggling to keep detection rules current against fast-evolving BEC and phishing tactics. Its AI agents—ASA for triage and ADÉ for detection authoring—are well-designed for this niche, promising an 80% reduction in investigation time and 30% fewer false positives. The transparency angle is a real differentiator: you can see exactly why an email was flagged, which builds trust and speeds up tuning. However, this is not a plug-and-play product. To get value, you need at least one detection engineer who can write Sublime Script rules and curate the AI's output. Small teams or those without dedicated security staff may find the platform underutilized. Compared to Proofpoint or Mimecast, Sublime excels at adaptive, targeted threat coverage but lacks the breadth of spam and malware filtering those gateways offer. It pairs best as a supplement to a legacy gateway, not a replacement for all email security. In practice, expect to invest time upfront to build custom detections and tune the AI agents to your environment. The free EML Analyzer tool is a nice entry point for teams to test detection logic before committing to the full platform.
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Real-world workflow fit
Concrete scenarios for the personas Sublime Security actually fits — and what changes day-one when you adopt it.
An alert triggers for an internal email requesting wire transfer. The analyst uses Sublime's threat hunting interface to review sender-recipient communication history, run conversational analysis, and confirm impersonation. With one click, they quarantine related emails and update the detection rule.
Outcome: Incident contained in under 5 minutes with a custom rule added to catch similar attempts automatically.
The engineer writes a Sublime Script rule to flag any email from a known vendor domain that uses unusual language patterns or requests payment changes. They test it against historical data and deploy it across all mailboxes.
Outcome: VEC detection rate improves by 40% in the first week with zero false positives on legitimate vendor emails.
Use Cases
- Detect and block business email compromise attacks in real-time
- Automate incident response for account takeover alerts
- Write custom detection rules for vendor email compromise scenarios
- Prioritize phishing alerts using machine learning triage
- Investigate email threats with full header and content visibility
Models Under the Hood
as of 2026-07-22
Limitations
- Sublime Security requires technical expertise to write and maintain custom detection rules using Sublime Script.
- Pricing is available only upon contact, making it difficult to evaluate upfront.
- The platform is not suitable for teams without dedicated detection engineering staff or those looking for a fully managed, out-of-the-box solution.
as of 2026-06-25
Where the pricing makes sense
The company stage and team size where Sublime Security's pricing actually pencils out — and where peers do it cheaper.
Sublime Security's pricing is undisclosed, which limits comparison against peers like Abnormal Security or Proofpoint. It likely fits mid-large teams with budgets for premium email security, but smaller teams may find it expensive.
Setup time & first value
How long it actually takes to get something useful out of Sublime Security — broken out by persona, not the marketing-page minute.
Initial integration with Microsoft 365 or Google Workspace takes about 30 minutes via API. Writing and tuning your first custom rules may take a detection engineer a day or two. Full value (low false positives, tailored detections) typically realized within two weeks.
Switching to or from Sublime Security
How to bring data in from common predecessors and how to get it back out — written for the switcher, not the buyer.
- →From Proofpoint: Export existing allow/block lists and feed them into Sublime's baseline policies.
- →From Mimecast: Use Sublime's API to ingest historical email logs for initial model training.
- ↗To Abnormal Security: Export custom Sublime Script rules as documentation, then manually recreate as Abnormal policies.
- ↗To Microsoft Defender for Office 365: Quarantine history and detection rules are not directly exportable.
Integrations
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Tutorials & Learning
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View allAbnormal Security
AI-native email security that stops BEC and account takeover attacks.
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