Privacy Notice

This notice was last updated on 6 February 2024. We may change this notice from time to time, so please check this page for updates.

We are committed to respecting your data privacy and we avoid collecting information from our products that could identify you as an individual wherever possible. Please note, however, that using our licensing feature does result in us collecting Personally Identifiable Information.

1. Who are we?

We are Diffblue Limited, AI for Code. We are a company registered in England and Wales number 09958102, with our registered office at Diffblue Ltd, 16c Worcester Place, Oxford, OX1 2JW, UK. We are the controller of the data described in this notice.

2. What data do we collect?

We collect two different types of data: licensing data and telemetry data / error reporting.

2.1 Licensing

As part of our license verification process, to identify unique devices and users we collect information on the following hardware components to generate a unique identity key per device. The hardware components are:

• Motherboard

• Processor (CPU)

• Hard disks or other similar storage units.

We store the following data:

User first name, last name, and email address	Used to identify the assignment of keys to individual users.
User company name and job title	Used to identify the company and job title of the user to which the license is assigned. Only collected in: Community Edition Teams Edition - 14-Day Free Trial
License first activated	Date and time
License last checked	Date and time
External IP address	x.xx.xxx.xxx
Hardware ID	This is a secure hash of a unique identifier used to distinguish between devices
Number of times license activated	x

The license management technology used by Diffblue is provided by LicenseSpring. Please click here to see the LicenseSpring privacy notice.

When deployed in a Continuous Integration environment, Diffblue collects the following additional information from environment variables to verify license entitlement:

CI_JOB_URL	For example: https://gitlab.com/diffblue/examples/PetClinic/-/jobs/nnnnnn
CI_PROJECT_VISIBILITY	public/private
CI_SERVER_VERSION	For example: 16.7.0
CI_COMPANY	For example: diffblue
CI_USER_EMAIL	For example: [e-mail]

The CI pipeline license information collection technology used by Diffblue is provided by MixPanel. Please click here to see the MixPanel privacy notice.

Users of Diffblue Cover Enterprise Edition who have the offline licensing option, can activate Diffblue Cover offline such that none of this information is collected.

2.2 Telemetry data / error reporting

By default Diffblue collects telemetry data and error reports to guide future product improvements. The data is sent to Diffblue over an encrypted HTTPS connection.

Telemetry/error report collection by Diffblue is mandatory in Community and Teams edition; telemetry/error report collection can be disabled in Enterprise Edition according to the following instructions:

• Diffblue Cover CLI

• Diffblue Cover Plugin for IntelliJ

The telemetry collection and processing technology used by Diffblue is provided by MixPanel. Please click here to see the MixPanel privacy notice.

The error reporting collection and processing technology used by Diffblue is provided by Sentry. Please click here to see the Sentry privacy notice.

Telemetry data collection:

Data point	Example	Usage
First 3 octets of Public IP address	104.18.120	From this we infer approximate location (e.g. New York), to prioritize language and product support
Random anonymous UUID	697764c3-657d-4c93-9a14-7f701173a690	So that we can see how a particular instance of the product is used over time
Operating system version	Apple macOS 10.14.6 (Mojave) build 18G103	Prioritize OS support
CPU ID string	Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz	Guide decisions on product performance
System RAM in bytes	4294430720	Guide decisions on product performance
Diffblue Cover Version	2023.12.01	Understand how versions are being used
IDE version *(Cover Plugin only)*	2019.2.1 IC-191.6707.61	Prioritize IDE support
Application start time (CLI only) IDE start time (IntelliJ Plugin only)	Wed, 04 Nov 2020 15:02:27 GMT	Analyze performance and product usability
Application exit time (CLI only) IDE exit time (IntelliJ Plugin only)Application exit time	Wed, 04 Nov 2020 15:19:17 GMT	Analyze performance and product usability
When the Plugin is uninstalled (IntelliJ Plugin only)	Fri, 06 Nov 2020 09:33:45 GMT	Analyze performance and product usability
Indexing start time	Wed, 04 Nov 2020 15:02:27 GMT	Analyze performance and product usability
Indexing end time	Wed, 04 Nov 2020 15:10:22 GMT	Analyze performance and product usability
Analysis start time	Wed, 04 Nov 2020 15:02:27 GMT	Analyze performance and product usability
Analysis end time	Wed, 04 Nov 2020 15:19:17 GMT	Analyze performance and product usability
Number of tests generated	42	Product usefulness and preferred workflow
Output codes from analysis	E009, R003, T002, V002	Product robustness and preferred workflow

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Temporary exception telemetry data collection (Cover versions 2024.06.01 to 2024.07.03 only, triggered on exception):

Data point	Example	Usage
Name of class triggering exception	reactor.core.publisher.Mono	Used to understand the conditions that trigger an exception in the ClassGraph library
Interfaces of class triggering exception	interface reactor.core.CorePublisher	Used to understand the conditions that trigger an exception in the ClassGraph library
What ClassGraph recorded the interfaces as when the exception triggered	[reactor.core.CorePublisher]	Used to understand the conditions that trigger an exception in the ClassGraph library
Superclass of class triggering the exception	class java.lang.Object	Used to understand the conditions that trigger an exception in the ClassGraph library
Full type signature of the class triggering the exception	<T:Ljava/lang/Object;>Ljava/lang/Object;Lreactor/core/CorePublisher<TT;>;	Used to understand the conditions that trigger an exception in the ClassGraph library

​​

Error report data collection:

Data	Example	Usage
Stack trace	-	Debugging
The release version	2021.10.01-community	Understand how versions are being used
Anonymized user id	38b4a23b-e46f-43c2-8b98-e829c5d7182d	e.g. So that we can see how a particular instance of the product is used over time
IDE version	2021.3 IC-213.4746.92	Prioritize IDE support
Java runtime version	11.0.11+9-b1504.13	Understand how versions are being used
Number of CPU cores	8	Guide decisions on product performance
Memory	Free, Max, and Total	Guide decisions on product performance
OS	macOS X	Prioritize OS support

3. Security

While we cannot guarantee the security of the data, we have implemented generally accepted technical and organizational measures to protect all data from accidental or unlawful destruction, loss, alteration, unauthorized disclosure and unauthorized access, taking into account the nature of the data and the associated risks.

4. Contact

If you have any questions about this notice or our handling of data, please contact us at [e-mail] or by writing to:

Head of Legal, Diffblue Limited, 16c Worcester Pl, Oxford OX1 2JJ