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Security Policy

We take security and privacy seriously, adhering to enterprise-level security standards that keep your customer data protected.

Security Team

Our team is constantly monitoring security notifications from all 3rd party software libraries and if identified, we immediately apply any relevant security patches as soon as they are released. Our engineers work together with the product teams to ensure that all of TaxDome’s code and infrastructure follows a secure development lifecycle process.


All of TaxDome’s application and data infrastructure is hosted on Amazon Web Services (AWS), a highly scalable cloud computing platform with end-to-end security and privacy features built in.

Designed with redundancy, fault tolerance and disaster recovery at the forefront, our services are distributed across three separate availability zones (data centers). All our infrastructure is within our virtual private cloud (VPC) with production access restricted to operations support staff only. This allows us to leverage complete firewall protection, private IP addresses and other security features.

For more specific details regarding AWS security, please refer to

Uptime and Data Availability

We strive for a 99.99% uptime across all our products and to support that, we host our monitoring and logging systems outside of AWS and employ a variety of tools to accurately monitor and report on any anomaly that could impact the delivery of our services.

All of our services are deployed in at least three availability zones to mitigate any single data center availability issues. In the event of such an emergency that would prevent AWS from delivering service to any of the availability zones (AZ) in a region, we do not have the ability to retrieve data until service in our AZs is restored.

In the unlikely event that data stored in the TaxDome database were to be lost or damaged, we would be able to restore from backup with a loss of data no more than 5 minutes. During this time we would not provide additional contingency plans to deliver data due to the very short nature of the recovery time.

Data and Data Center

All data is stored in the USA in HIPAA compliant, multi-tenant datastores in Amazon Web Services-controlled data centers, and is protected under a signed BAA with AWS. Only those within Amazon who have a legitimate business need to have such information know the actual location of these data centers, and the data centers themselves are secured with a variety of physical controls to prevent unauthorized access.

Your Data Is Backed Up Daily

The data is hosted entirely on Amazon Web Services (AWS), which provides end-to-end security and has privacy features built in. Our team takes additional proactive measures to ensure the backups are continuous and data can be restored to any point within the backup retention period, multiple times and on multiple servers.

TaxDome rigorously adheres to the data protection standards of the EU GDPR and the equivalent laws and regulations globally. We are committed to ensuring compliance with the highest standards of data privacy and security. For more information on how we handle your data, please refer to the Data Processing Amendment.


Through the use of automated and manual analysis, as well as constant security review of 3rd party libraries, we ensure to the best of our abilities that we are delivering products that are free from security defects and that data is processed strictly in compliance with our customer’s instructions. All TaxDome web application communications are PCI compliant and support TLS v1.2, and cannot be viewed by a third party. We enforce the same level of encryption used by banks and financial institutions.

Additionally, we support a number of security focused features to help keep your data safe

  • Data encryption — All customer data is encrypted at rest including: user email addresses, user passwords, API keys, including 3rd party keys stored by Apps.
  • Company-specific data is kept separate through logical separation at the data tier, based on application-level access permissions and roles.
  • API Security — In our v2.0 API we support OAuth/SAML authentication and a UI for revoking device tokens.

Email Security

TaxDome supports TLS encryption on all inbound and outbound emails. For an explanation of how email encryption works, we recommend this overview from Google.

Engineering and Operational Practices

We design all services with high availability in mind. Our goal is to deliver 99.99% uptime across all our products. In order to achieve this goal, we follow a number of engineering best practices

  • Immutable infrastructure — We don’t make changes to live code or running servers in production. Where applicable, we treat both our software and our infrastructure configuration as code. Which means all changes go through a formal code review, automated testing and automated deployment process.
  • Continuous integration and delivery — We are using continuous integration and deployment automation and configuration management tools to build, test and deploy code multiple times a day.
  • Incident response — Our dedicated infrastructure and security team is on a rotating on-call schedule to respond to any security or availability incidents immediately.
  • Security audits — Regularly, an independent security firm executes a white-box penetration test audit across our system and code base. On request, the results of the latest audit can be provided to current or potential customers.
  • Monthly PCI scanning — We run a PCI scan every month to maintain ongoing Level 3 PCI compliance, adhering to stringent industry standards for storing, processing and transmitting credit card information online. In addition to encrypting customer payment information. Any uncovered vulnerability is prioritized, resolved and deployed as soon as possible following discovery.
  • Permission and administrative controls — TaxDome enables permission levels to be set for any employees with access to TaxDome. We follow the principle of least privilege for any system with access to personal data and have automated tool-based control and logging of data access, entry, deletion, and modification.


Last updated February 2, 2024