Tomorrow's Threats. Stopped Today.
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One step, then book a meeting with our team.
15 minutes. Times shown in your local zone. Invite sent instantly.
Every email reasoned through the way your best analyst would. The AI-written scams your gateway approves, caught on first encounter.
Every scam is now written from scratch by AI. Your filters catch what they've seen before. These have never been seen.
Safe to trust, caution, or block. Right inside Outlook and Gmail, with the reasons why.
Explore Inbox Advisor →Every alert arrives pre-investigated with an explainable verdict your SOC can defend.
Explore Threat Triage →Hunt by sender, subject, URL, or domain across every protected mailbox, in under two minutes.
Explore Threat Hunt →Hi Alex,
Payment for Q3 invoice #4417 cleared on our side this morning — thank you for the quick turnaround.
A stamped copy is attached for your records. No changes to our remittance details; everything stays as it has for the last three years.
Best,
Dana Reeves · Accounts Receivable, Acme Logistics
"By analyzing the intent behind messages, StrongestLayer performs more like a team of 1,000 expert analysts, catching threats even when there's no known pattern."
"Inbox Advisor saves my department hours every week by cutting down triage time on every alert. That rare tool that is both incredibly powerful and genuinely well-designed."
"With generative AI, attackers craft highly convincing, targeted messages at scale, making traditional defenses obsolete. The real risk is in every human decision that follows."
"Using an AI model to detect and quarantine phishing emails is far better than relying on the user to catch them. It helps us in the areas where our users have fallen short."
"StrongestLayer approached it cleanly: LLMs first, architecture built around them. It solves problems the legacy stack literally can't."
StrongestLayer is an AI-native email security platform powered by TRACE, the Threat Reasoning AI Correlation Engine. Instead of matching signatures or static rules, TRACE uses a multi-LLM ensemble to reason about every email's sender, intent, and infrastructure the way a human analyst would, and explains every verdict.
Legacy email security relies on signatures, sender reputation, and pattern matching, approaches built before generative AI made every phishing email unique. StrongestLayer is built on LLMs from day one, reasoning about intent rather than recognizing patterns. False positive rates run under 1%, and deployment is 15 minutes via API instead of multi-month migrations.
Fifteen minutes via API. No MX record changes, no mail flow disruption, no parallel-run period. We connect through Microsoft Graph or the Google Workspace API, ingest your last 30 days of mail history to build behavioral baselines, and start reasoning about new mail in real time.
No. StrongestLayer can replace your gateway, or run alongside it, your call. Most customers start with us deployed in parallel to their existing stack so they can see what their current tools are missing without disrupting mail flow.
No, and you wouldn't want it to. Microsoft and Google handle the volume layer extremely well. StrongestLayer sits behind them, reasoning about everything they let through. Customers typically retire their third-party SEG and keep Microsoft/Google native + StrongestLayer.
Pricing is custom and scales by mailbox. Book a demo for a deployment-specific quote.
SaaS. Email content is processed in memory by the reasoning engines and not written to long-term storage; only metadata (verdicts, reasoning traces, sender features) is retained for SOC audit. Full security questionnaire and data-handling documentation are available under NDA.
Alan LeFort (CEO, ex-Proofpoint, McAfee, Intel Security), Muhammad "Riz" Rizwan (CTO), and Joshua Bass (CPO). Founded 2024, San Francisco. $5.2M seed led by Sorenson Capital with Recall Capital participating, July 2025.
Tomorrow's Threats. Stopped Today.