verified_user ISO/IEC 27001:2022 Aligned Architecture

Enterprise Security & Practice Trust

Built exclusively for Chartered Accountants and Tax Practitioners, hosted on ISO/IEC 27001:2022 certified cloud infrastructure (AWS Mumbai ap-south-1) with bank-grade AES-256 zero-knowledge encryption and dual maker-checker audit controls.

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ISO/IEC 27001:2022 Aligned Security

Hosted on Certified Cloud Infrastructure · Information Security Management System Standards

ISO 27001 CERTIFIED CLOUD INFRASTRUCTURE
Architecture Standard
ISO/IEC 27001:2022 Aligned
Certified Cloud Scope
AWS Mumbai Datacenter & DB
Cloud Datacenter Location
Mumbai, India (AWS ap-south-1)
Data-at-Rest Encryption
AES-256 Bit GCM
Data-in-Transit Encryption
TLS 1.3 / Perfect Forward Secrecy
Regulatory Alignment
DPDP Act 2023 · ICAI Guidelines
The 6 Pillars of KlerkOne Practice Security
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Zero-Knowledge Cryptography
All taxpayer documents, audit workpapers, and balance sheets are encrypted client-side on your office computer before cloud transmission. Even database operators cannot read your confidential files.
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Maker-Checker Dual Approval
Articles and staff can draft returns and compute taxes, but only designated CA partners or Checker managers can sign off, seal, and lock completed compliance filings.
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Immutable Audit Trail
Every client profile edit, DSC expiry change, task allotment, and invoice payment is recorded in an immutable, tamper-evident audit ledger with staff user IDs and microsecond timestamps.
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Hardware Device Lock
Staff login keys can be cryptographically bound to authorized office desktop hardware. Unauthorized login attempts from outside computers are blocked automatically.
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100% Indian Data Sovereignty
All cloud databases, WebSocket replication pipelines, and document indexes reside strictly within the borders of India, fulfilling all ICAI, RBI, and MeitY data residency requirements.
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99.9% Uptime & Daily Snapshots
Enterprise-grade automated daily offsite database backups with point-in-time recovery (PITR) ensuring your firm never loses work, even during peak 31st July and 31st October tax filing rushes.