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Sublime vs. Abnormal:
Email security built around decisions you can see
Sublime’s AI agents autonomously triage attacks and generate org-specific coverage. Abnormal requires customers to manually train custom models and define conditions to stop new threats.
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What happens when a threat
is missed?
The difference isn't whether a threat gets missed. It's whether you just get a verdict, or the evidence to act on it.
Why was it missed?
Sublime shows you exactly where the threat was and why it was flagged. Abnormal gives you a verdict without the evidence.
How do gaps get closed?
Sublime’s AI agents detect novel attacks and then write, backtest, and deploy coverage autonomously. Novel coverage requires a support case for Abnormal.
Will coverage drift over time?
Sublime offers durable detections that layer deterministic and probabilistic coverage to prevent drift. Abnormal relies heavily on a shared AI model that can drift over time.
Transparent, adaptable, and autonomous by design
Sublime provides org-specific coverage from a layered detection model. Abnormal is built on a black box AI model with bolt-on custom coverage.
See detections, not a score
Every verdict traces to a detection you can read, edit, and backtest against 30 days of real mail before deploying.
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Coverage that closes in under an hour
When something's missed, ADÉ (Autonomous Detection Engineer) writes, tests, and deploys a fix with a median time to coverage (MTTC) of under an hour.
Automation you don't configure
ASA (Autonomous Security Analyst) triages reported and system-flagged mail automatically by default. Tune detections only if your team wants to.
How the platforms compare
A direct comparison of detection capabilities, investigation workflows, and deployment options.
Sublime
Abnormal
Detection Transparency
Full detection visible; agents write, backtest, and deploy it with no vendor involved. Analysts can review or edit by choice, not by need.
A reasoning view shown per verdict, read-only. Nothing an analyst can edit.
Custom detection authoring
ADÉ autonomously writes, tests, and deploys new detections in hours, no ticket required. Detections stay readable and editable by design.
Defined-condition or natural-language tuning inputs. Neither is inspectable the way a Sublime detection is.
Coverage adaption
Org-specific detections generated and validated automatically, no user report required.
Customer must manually update a custom AI model or define conditions.
Abuse mailbox automation
Covers user-reported and system-flagged mail, included in the base platform.
Covers user-reported mail; billed as a separate add-on.
Backtesting and retrospective analysis
Tests a new detection against mail you've already received before turning it on, and re-scans old messages as new threat intelligence arrives.
Doesn't retain mail it judged non-malicious, so there's no clean-mail history to test a new detection against.
Message retention and threat hunting
Retains only messages already judged malicious.
No option for threat hunting or backtesting.
Deployment flexibility
Cloud SaaS, single-tenant, or fully self-hosted (including GovCloud).
Cloud SaaS only.
Inbound + outbound + internal coverage
Inbound and internal today; outbound email DLP in public beta.
Inbound-focused; outbound email DLP in GA.
Email bombing defense
Detects mailbox floods, groups the related messages, and removes the flood from inbox after delivery.
Detects volume spikes, but has difficulty blocking flood and eliminating afterward since non-malicious mail isn't retained.
Message remediation
Banners, warnings, true quarantine, and swift removal, all auditable.
Can automatically move or warn on suspicious mail, but false positives can still send legitimate messages to junk.
G2 rating
4.9 / 5
4.8 / 5
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Sublime in numbers
80%
Faster user report investigation
30%
Fewer false positives than other API email security solutions evaluated
5x
Efficiency gain — Cut weekly email security management time from 10 hours to under 2
Simplification is one of our core company values, and moving to Sublime directly supported that goal.
Frequently asked questions
How does Sublime compare to Abnormal for email security?
Both use AI to catch phishing, BEC, and account takeover. Abnormal grades mail through three separate layers that don't share signal, each reaching its own conclusion. Sublime builds org-specific detections your team can inspect, edit, and adapt, all inside one engine, covering inbound and internal email today, with outbound email DLP in public beta.
Is Sublime better than Abnormal for security teams that want more control?
For teams that want it, yes. Sublime exposes the full detection behind every verdict and lets ADÉ generate new coverage automatically. Abnormal's equivalent is a read-only explanation routed through a vendor ticket for changes.
Which email security platform is more transparent: Sublime or Abnormal?
Sublime. Every verdict traces to a specific, readable detection. Abnormal's reporting layer explains the behavioral signals behind a decision, but doesn't expose anything you can edit.
What are the best Abnormal alternatives for technical security teams?
Sublime is the strongest fit for teams that want detection-as-code control, an API-first architecture, and a public detection-sharing community. See our Abnormal alternatives guide for the wider field.
Does Sublime require more work than Abnormal?
No. ASA and ADÉ run autonomously by default. Writing or editing detections is optional depth for teams that want precision, not a requirement. Abnormal's lower-touch reputation also comes with a tradeoff: more legitimate mail routed to junk that someone has to recover. It also matters what your platform can do short of deleting something. When you can see why a message was flagged, you can warn the user instead of quarantining the invoice they were waiting on.
Which email security tool is better for detection engineering teams?
Sublime. It's built around detection logic your team can read and write directly, with API access, back-testing, and a public detection repository. Abnormal doesn't offer an equivalent authoring layer.
Which email security platform is better for fast remediation after a missed threat?
Sublime. ADÉ can generate, test, and deploy a fix without a ticket. Abnormal does publish a real resolution commitment for missed-threat cases – 24 hours for escalated cases, 7 days otherwise – but that clock only starts once someone notices the miss and files it. Sublime's starts the moment the system is unsure, whether or not anyone reported anything.
How do Sublime and Abnormal compare for Microsoft 365 or Google Workspace protection?
Both deploy via API with no MX changes, so either runs alongside Microsoft 365 or Google Workspace's native security. Sublime also supports single-tenant and self-hosted deployment, including government cloud, where Abnormal is SaaS-only.
Now is the time
See how Sublime delivers autonomous protection by default, with control on demand.
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