Share freely. Expose nothing.
Sidian sits inside your email and cloud storage and removes private info from every email and file before it goes out. Built for law firms first. Now used by healthcare and financial firms too, anywhere client info moves through email or shared drives.
One of two protections in the Sidian DataGuard platform. See Secure Sends →
Built for law firms first. Now also used by healthcare and financial firms, anywhere client info moves through email or shared files.
Watch a document get scanned and redacted on send.
Hi Team,
Please find attached the requested payroll records for the Q4 processing cycle.
Let me know if you have any issues accessing the files.
Dataguard
DataguardBuilt around the privacy laws your work falls under.
See Exactly What Was Caught and Why.
Dataguard doesn't just remove sensitive data. It shows every employee exactly what was flagged, which regulation or company policy required it, and what was done about it. Full transparency, every time.
Understands Your Context
Analyzes against your specific regulations, organization policies, and the context of who you're sharing with.
Real-Time Compliance Education
Instead of annual training sessions, employees learn at the exact moment it matters. Each share shows them what was restricted and the specific rule behind it.
Compliance Alert:PIPA BC Section 17
Disclosure to external recipient [email protected] without consent is restricted under limitations on disclosure.
Valid Exemption DetectedAuto-Applied
Disclosure authorized under Section 18(1)(o), required by law (Income Tax Act) for payroll purposes.
Why firms turn on Email & File Protection.
Built into your cloud
Sits inside Outlook, Gmail, OneDrive, Google Drive, and Dropbox. Every email and file gets cleaned the moment it goes out. Nothing to schedule, nothing to remember.
Nothing gets stopped
Private info is removed automatically. The email goes out as normal. Your team isn't waiting on IT to approve a send.
No setup needed
Connects to the tools you already use in minutes. No project. No training. Your team works the same way as before.
Every send is logged
Every email, every removed item, every recipient gets recorded. Proof if anyone questions it later: clients, insurers, regulators, the bar.
Built for the firms most exposed.
Different rules per industry. The same risk on every email.
Documents going to the other side, opposing counsel emails. Every send carries malpractice risk.
Patient records, referral letters, billing exports. HIPAA penalties on every uncontrolled send.
Customer records, account exports, examiner requests. State breach laws on every send.
FAQ
Purview blocks emails and tells you afterwards what was wrong. DataGuard removes the private info and lets the email send anyway. Your team isn't held up. The recipient sees only what was meant to go. They do different jobs. Purview reports on rule violations; Sidian actually fixes them, in real time.
Documents stay inside your own cloud (Microsoft 365, Google Workspace, wherever your files already live). We don't send anything to outside services. No OpenAI, no Anthropic, no third-party AI. Files are checked inside your environment and the result is forgotten right after. Nothing is stored. Nothing is used for training.
No. Checking and cleaning happen the moment you hit send, in well under a second. Your team writes the email, attaches the file, sends. Nothing about how they work changes.
PDF, Word, PowerPoint, Excel, CSV, JSON, plus the body of the email itself. Attachments are checked the same way as the message.
If it's not confident enough to act on its own, it flags the item for the sender to review before the email goes out. The sender sees what would be removed and why, then approves or changes it. Both decisions are recorded.
Under 5 minutes. Connecting it to your cloud is the longest step. Most firms send their first protected email within an hour.
See email protection on a real document.
20 minutes. We'll walk through exactly what gets caught, what goes through, and what setup looks like inside your cloud.