Mae hwn yn fersiwn HTML o atodiad i'r cais Rhyddid Gwybodaeth 'MS Teams data'.

Our Ref: FOI2021/127 
Paul Brown 
Thursday, 15 July 2021 
Dear Paul Brown, 
Freedom of Information Act 2000 – Request for Information 
Regarding your request for information received by the University of Westminster on 21st 
June 2021. 
The Request 
The University can confirm that it holds information relating to your request. Please see 
below for details of your recent request. 
MS Teams is used by The University of Westminster to communicate and share 
Please detail what information from MS Teams is collected. 
Who has access to this data? 
How long is this data retained for? 
Are those using privately owned devices allowed to access this data? 
What controls are in place to insure this data, if downloaded to a private device, is 
handled in a manner compliant with GDPR and UK specific data protection? 
Information Compliance Team
University of Westminster 
3rd Floor, 32-38 Wells Street 
London, W1T 3UW 
T: +44 (0)20 7911 5158 
E: xxx@xxxxxxxxxxx.xx.xx 
© University of Westminster 

The Response  
MS Teams collects three types of data about the app: error reporting data, usage data and 
census data. Census data includes information like type of device, operating system, user 
language, and a generated specific user ID that is hashed twice in order to anonymise 
Highly authorised administrators are the only people who have access to this data. 
The time period the data is retained for is currently under review. 
Regarding privately owned devices and controls, the University exempts this information 
under Section 31 Law Enforcement of the Freedom of Information Act. 
For your information Section 31 says: 
31 Law enforcement. 
(1)Information which is not exempt information by virtue of section 30 is exempt 
information if its disclosure under this Act would, or would be likely to, prejudice— 
(a)the prevention or detection of crime, 
The University believes that information relating to Bring Your Own Device Teams data 
download logs and controls are specific to the University and disclosing this information to 
the public would be likely to prejudice our security and crime prevention and detection 
The University therefore exempts the disclosure of this information under Section 31 Law 
We hope this may be of use to you. 
Copyright in our response to your request belongs to the University of Westminster. All 
rights are reserved. This document is for personal use only and may not be copied, or 
stored in any electronic form, or reproduced in any other way or used for any other 
purpose, either in whole or in part, without the prior written consent of the University of 
Westminster. All copies of this document must incorporate this Copyright Notice. 
If you are dissatisfied with this response you may ask the University to conduct a review of 
its decision. 
By Post: 
Information Compliance Team 
University of Westminster 
3rd floor, 32-38 Wells Street 
London, W1T 3UW 
By Telephone: 
0207 911 5158 
By Email: 
© University of Westminster 

Please do so in writing (including by fax, letter or email) or in some other recorded form 
(e.g. audio or video tape), describe the original request, explain your grounds for 
dissatisfaction, and include an address for correspondence.  
If after contacting the University of Westminster you are not happy with the outcome, you 
also have a right of appeal to the Information Commissioner. 
Please note that the Information Commissioner will not investigate the case until the 
internal review process has been completed. 
By Post: 
Information Commissioner's Office 
Wycliffe House 
Water Lane 
SK9 5AF 
By Telephone:  
01625 545 700 
Yours sincerely, 
Information Compliance Team  
© University of Westminster