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Install in under 60 seconds
Add the Chrome extension or mobile app and connect your inbox. No DNS changes, no MX records. Sign in and scanning starts.
⚠ ... threats blocked since May 2025
Stop phishing, invoice fraud, and spoofed senders. And your email is never stored.
Detect phishing, invoice fraud, malicious links, and spoofed senders before they cost you money or trust. Privacy first protection with clear reasons behind every alert.
Ṣọ is an email security app for small teams and the people who support them. It checks the mail you already use, on the devices you already have, and tells you what it found.
Core protection is free forever. Email scanning, dark web monitoring, deepfake detection. No credit card needed.
Chrome Extension Mac App iOS & Android
One account works across all platforms
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What Ṣọ catches for you
Spots scam emails
Catches fake websites
Flags suspicious invoices
Checks every link
Verifies the sender
Blocks email trackers
Dark web monitoringNew
Deepfake detectionNew
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People protecting their inbox
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Links checked per email on average
0
Emails stored or read by Ṣọ
Processed in memory, never written to disk. No humans reading your mail. Just protection.
Trusted Teams
Businesses and professionals rely on Ṣọ to reduce phishing risk and protect sensitive inbox workflows.
Why Ṣọ?
Security that respects you
Most email security tools are built for enterprises with IT budgets. Ṣọ is built for everyone else, with stronger privacy guarantees.
No IT required
Built for people, not IT teams
No managed service contracts, no training modules, no admin portals. Ṣọ works for freelancers, founders, and families. Anyone who uses email but doesn't have a security department.
Works instantly
60-second invisible setup
Install the extension or app, sign in, and scanning starts. No DNS changes, no MX record routing, no onboarding calls. It works out of the box with Gmail and Outlook.
Plain-language alerts
Clear signals, not scare tactics
When Ṣọ flags an email, it explains exactly why in plain language. No jargon, no vague threat scores. You decide what to do with full context, not fear.
Dark web + deepfake
Proactive protection beyond email
Email scanning is just the start. Dark web monitoring catches exposed credentials. Deepfake detection flags cloned voices in your meetings. Real threats, caught before they cost you.
Enterprise-grade protection without the enterprise price tag
Tools like IRONSCALES and KnowBe4 charge $150 to $300+/user/year, require IT setup, and keep your emails in their cloud. Ṣọ checks senders, links and attachments for a fraction of the cost, explains every verdict, and keeps nothing after analysis.
No MX changes, no mail rerouted to third parties
Dark web monitoring included free
Real-time deepfake detection in meetings
Privacy you can verify
Your email is never stored or retained.
Most security tools keep a copy of your email on their servers. We do not. Your email is analyzed in memory on our servers and discarded when the verdict returns. Here is exactly how your data flows, and what we never keep.
Step 1
Email arrives
In Gmail or Outlook, like normal
Step 2
Sent from your device
Your browser, phone, or desktop app sends it to us over an encrypted TLS connection.
Step 3
Analyzed on Ṣọ servers
Threat analysis, categorization, risk score. Deleted immediately after.
Step 4
Result shown to you
What we found, with a plain-language reason.
Step 5
Nothing retained
Never stored, never read by humans.
How other tools handle your email
IRONSCALES, Barracuda, Abnormal, and most enterprise tools route your email through their cloud to scan it.
Stores your email content on their servers?
Them
Ṣọ
Retains email data after analysis?
Them
Ṣọ
Requires DNS or MX record changes?
Them
Ṣọ
Needs IT admin setup?
Them
Ṣọ
Can read your email body?
Them
Ṣọ
Works in under 60 seconds?
Them
Ṣọ
Verify it yourself
Email is processed in memory on our secure servers and never written to persistent storage. You can verify what we retain in our data retention table. Your email content does not appear there.
// What Ṣọ stores after analysis
Email body / subject: never stored
Meeting audio / video: never leaves browser
Your data monetized: never
What Ṣọ actually sends to the server
- Your email address (for login only)
- Anonymized threat patterns (no personal content)
- Breach scan requests (just the email, never the password)
- Email content stored or retained after analysisNEVER
- Contact lists, calendar events, filesNEVER
Complete Protection Suite
Protection That Goes Beyond Your Inbox
AI email scanning. Dark web breach monitoring. Real-time deepfake detection in meetings. Zero data retention, always private.
Sender, Link and Attachment Checks
Every email is checked against 90+ signals: the sender's domain, reply-to mismatches, where links really go, and attachment tampering.
- Detects phishing, malware, and social engineering attacks
- Real-time threat analysis as emails arrive
- 90.70% detection rate
Available on Extension Mobile Mac
Privacy First
Your emails stay private. We analyze threats without storing or reading your personal content.
- Processed in memory, never written to disk
- No email content stored on our servers
- GDPR compliant and SSL encrypted
Available on Extension Mobile Mac
Dark Web Monitoring
NewContinuous scanning of dark web databases to detect if your email credentials have been exposed in data breaches.
- Automated nightly scans across breach databases
- Instant email alerts when new breaches are found
- Detailed dashboard showing exposed passwords, emails, and more
Available on Extension Mobile Mac
Deepfake Detection
NewDetects voice clones and video deepfakes during your meetings, as they happen. No audio or video ever leaves your browser.
- Audio deepfake detection via mel-spectrogram CNN
- Video deepfake scoring with face analysis (Pro)
- Live meeting transcription and post-meeting recap
Available on Extension
Meeting Security Works Everywhere
Deepfake detection and transcription across all major platforms
Google Meet
Zoom
Microsoft Teams
How It Works
Set Up in One Minute
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AI scans and protects automatically
Every email, link, and attachment is evaluated with 90+ threat signals. Deepfake detection activates during meetings.
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Continuous monitoring, clear alerts
Dark web scans run nightly. Breach alerts land in your inbox. Meeting recaps surface key decisions without burying you in noise.
Three ways to use Ṣọ
One detection engine behind all of them. Protect your own inbox, build on the API, or roll it out across an organization and the clients you manage.
For individuals and teams
Protect my own inbox
Stop phishing, impersonation, and invoice fraud in Gmail and Outlook. Connect an account and protection starts in minutes, with no IT team needed.
Start freeFor developers and AI agents
Build on the detection API
Seven endpoints for phishing, BEC, URLs, domains, and documents, with a free tier to start. Screen the email and links your AI agents act on before they act.
Explore the APIFor enterprises and MSPs
Protect my organization or my clients
Managed protection for every mailbox from one admin consent, plus a multi-tenant partner platform with per-client isolation for the clients you manage.
See enterprise and MSPProtect your inbox without giving up your privacy
Checks senders, links and attachments, and explains every verdict. No email storage, no data collection, no IT team needed.
Get Started Free60-second setup • No credit card required
Available on