The lock icon in a browser means the connection is encrypted. It says nothing about what's on your web server's disk. For most IIS deployments, every HTML page, every PDF upload, every document in the content folder, and every byte of FTP data sits on the server completely unencrypted — waiting for a compromised server, a stolen backup, or an insider with filesystem access. Encryptionizer wraps it all in transparent, FIPS-validated encryption without touching your web application.
Most web application teams have hardened their perimeter, their application code, their database. The one thing that stays plaintext across almost every IIS deployment is the content filesystem itself — the folders where user uploads, generated PDFs, document libraries, and the website's own code all live. When something eventually breaches that server, those files are the easiest exit route for an attacker and the most expensive line item on your breach notification.
Half of IIS encryption conversations start here. HTTPS and at-rest encryption solve completely different problems — and compliance frameworks care about both.
Encryptionizer for IIS operates below the file system. If IIS reads a file to serve it, Encryptionizer decrypts it on the fly. If IIS writes a file, it's encrypted before it hits the disk. Your web application doesn't need to know.
No ASP, ASPX, or application code changes. No new APIs. No request-pipeline modifications. Encryption and decryption happen below IIS at the file-system layer.
Your website's HTML, ASP, and ASPX files. User-uploaded PDFs and Word documents. Images, audio, and video. Database files living on the web server. Everything in the content folder is protected.
If your deployment uses FTP for file ingress or egress, those files are protected at rest too — same mechanism, same key management, no extra configuration.
Government-grade cryptographic standard. The validation federal agencies and healthcare auditors actually require — ready to cite in your security documentation.
Many IIS deployments outlive OS refresh cycles. Encryptionizer runs on the OS your production server actually uses, not just the one Microsoft wishes you were on.
Decryption happens in RAM between IIS and the file system. Page-load times stay normal. Users don't notice. Benchmarks don't flinch.
Most file-encryption products target one or two file categories — usually database files, sometimes user uploads. Encryptionizer operates at the file-system layer, so every file IIS reads from or writes to disk is covered. One mechanism, one key management story, one audit answer for the whole web server content footprint.
Any organization serving sensitive documents through an IIS-hosted web portal eventually faces the "encrypt the content folder" question. Here's where it shows up most often.
Patient portals, lab result delivery, and provider document exchange — HIPAA requires encryption at rest for ePHI, including PDFs and images sitting in content folders.
Public records portals, forms delivery, FOIA document systems — FISMA explicitly requires at-rest protection for federal information systems.
Secure document delivery for client case files, contracts, and discovery materials — client confidentiality obligations extend to the web server storage layer.
Statement portals, loan document delivery, tax forms — PCI DSS and GLBA requirements include at-rest encryption of financial documents.
Web application vendors building on IIS/ASP.NET — embed Encryptionizer in your product so every customer deployment is at-rest encrypted by default.
Vendors building web-based deliverables for federal, state, or local agencies — FIPS 140-2 and FISMA compliance are procurement gates.
Four scenarios every IIS deployment should plan for — and how transparent at-rest encryption changes the outcome.
An attacker breaches the web server through a vulnerability. Without at-rest encryption: every file in the content folder is immediately readable — uploads, documents, backups, source code.
A backup of your IIS content folder walks out on physical media. Without at-rest encryption: that backup contains plaintext copies of everything the website ever served or stored.
A sysadmin or hosting-provider employee can read any file on the server disk. Without at-rest encryption: they can see every user upload, every PDF, every document.
An auditor reviewing your patient / client / government portal asks for proof that documents are encrypted at rest. Without it: finding, remediation plan, and a tight deadline.
Every major compliance framework distinguishes in-transit (HTTPS) from at-rest encryption. Encryptionizer delivers the at-rest half of the answer — the half most IIS deployments are missing.
"The auditor's question was 'where is the at-rest encryption for your patient portal?' Our answer used to be a long explanation. Now it's one page of documentation and a FIPS CMVP number."
Most IIS deployments benefit from one of these alongside the server encryption.
If your web application uses SQL Server as the data tier, pair with full database encryption for an end-to-end at-rest story: web content and database both protected.
Learn More →For ISVs shipping web-based products on IIS, the Desktop & App licensing model makes it practical to embed encryption in every customer deployment.
Learn More →HTTPS was never going to cover what's on the disk. Encryptionizer handles the other half — without touching the application that's already working.