Secure client portal software engineered for absolute confidentiality.
Protect sensitive financial audits, tax records, legal agreements, and corporate filings. Pyngyn combines AES-256 encryption, strict client isolation, and passwordless magic links to safeguard your firm's reputation.
AES-256 at rest · TLS 1.3 in transit · DPDP (India) aligned · DPIIT Recognized · ISO 9001:2015 Certified
Why email attachments and unencrypted links put your practice at risk.
Over 85% of professional service breaches originate in compromised client inboxes or unsecured email chains. When confidential financial statements, PAN details, audit working papers, and signed contracts move across plain email, they lack access controls, expiration dates, and verifiable audit trails.
Secure client portal software replaces this vulnerability with an encrypted vault. Only authorized individuals with verified email access can interact with documents, and your firm retains complete authority over permissions, watermarking, and revision histories.
Pyngyn's multi-layer security architecture.
Built from the ground up to satisfy the strictest confidentiality mandates of Chartered Accountants, attorneys, and corporate advisors.
AES-256 & TLS 1.3 Encryption
All client documents, messages, and engagement files are encrypted at rest using industry-standard AES-256 and protected in transit with TLS 1.3 cryptographic protocols.
Zero Cross-Client Data Leaks
Strict logical tenancy and isolated client spaces ensure no client can ever view, search, or access another client's engagement, documents, or data.
Passwordless Magic-Link Defense
Eliminate credential stuffing, brute force attacks, and weak passwords. Verified clients receive cryptographically signed, single-use authentication links directly to their inbox.
Tamper-Evident Audit Logs
Every document view, download, upload, and approval is captured in immutable audit logs with timestamps, client identifiers, and IP addresses.
Granular Role & Permission Gates
Control who sees what down to the individual document. Internal working papers stay strictly internal; external clients only see authorized deliverables.
Regulatory Compliance Readiness
Engineered to satisfy DPDP (India) and statutory data privacy principles. Pyngyn is a DPIIT-recognized startup operated under an ISO 9001:2015 certified Quality Management System.
Engineered to satisfy global and regional data privacy laws.
Recognized startup by the Department for Promotion of Industry and Internal Trade, Govt. of India.
Certified Quality Management System (QMS) ensuring dependable software delivery and processes.
Strict consent logging, purpose limitation, and data fiduciary compliance.
AES-256 encryption at rest and TLS 1.3 in transit across all client communications.
Frequently asked questions about secure client portals.
Why is a secure client portal software safer than emailing documents?
Standard email was never designed for confidential document exchange. Email attachments pass through multiple intermediate mail servers unencrypted, remain indefinitely in sent folders, and can easily be forwarded or leaked. Pyngyn's secure client portal keeps all files within an encrypted, access-controlled vault with comprehensive download and view logs.
How does Pyngyn ensure one client cannot see another client's information?
Pyngyn enforces multi-tenant boundary isolation at the database and application levels. Each ClientSpace is provisioned in its own logically isolated compartment with scoped access tokens, preventing cross-tenant queries and accidental file disclosures.
Are client approvals legally verifiable?
Yes. When a client approves an engagement letter, tax return, or deliverable in Pyngyn, the system creates a cryptographic timestamped record including the user's authenticated identity, IP address, and approved document version.
Can clients access their secure portal on mobile devices?
Yes. Pyngyn ClientSpace is fully responsive and optimized for mobile browsers. Clients can review status, inspect documents, and sign off on approvals securely from their smartphone or tablet without installing third-party apps.
How does passwordless magic-link authentication work?
Instead of forcing clients to create and remember complex passwords (which are often written on sticky notes or reused across insecure websites), Pyngyn generates a time-limited, cryptographically secure token sent directly to the client's verified email address. One click logs them in securely.
Secure your firm's confidential client collaborations today.
Schedule a 30-minute security walkthrough. We will review our encryption models, tenant boundaries, and audit logging live.
Tailored to your firm · 30-minute walkthrough · No commitment