I’ve written so much previously on this blog about Samaritans Radar, the misguided Twitter app launched last year by Samaritans, that I’d thought I wouldn’t have to do so again. However, this is just a brief update on the outcome of the investigation by the Information Commissioner’s Office (ICO) into whether Samaritans were obliged to comply with data protection law when running the app, and, if so, the extent to which they did comply.
To recap, the app monitored the timelines of those the user followed on Twitter, and, if certain trigger words or phrases were tweeted, would send an email alert to the user. This was intended to be a “safety net” so that potential suicidal cries for help were not missed. But what was missed by Samaritans was the fact the those whose tweets were being monitored in this way would have no knowledge of it, and that this could lead to a feeling of uncertainty and unease in some of the very target groups they sought to protect. People with mental health issues raised concerns that the app could actually drive people off Twitter, where there were helpful and supportive networks of users, often tweeting the phrases and words the app was designed to pick up.
Furthermore, questions were raised, by me and many others, about the legality of the app under data protection law. So I made a request to the ICO under the Freedom of Information Act for
any information – such as an assessment of legality, correspondence etc. – which you hold about the “Samaritans Radar” app which Samaritans recently launched, then withdrew in light of serious legal and ethical concerns being raised
After an initial refusal because their investigation was ongoing, the ICO have now disclosed a considerable amount of information. Within it, however, is the substantive assessment I sought, in the form of a letter from the Group Manager for Government and Society to Samaritans. I think it is important to post it in full, and I do so below. I don’t have much to add, other than it vindicates the legal position put forward at the time by me and others (notably Susan Hall and Tim Turner).
19 December 2014
Samaritans Radar app
Many thanks for coming to our office and explaining the background to the development of the Radar application and describing how it worked. We have now had an opportunity to consider the points made at the meeting, as well as study the information provided in earlier teleconferences and on the Samaritans’ website. I am writing to let you know our conclusions on how the Data Protection Act applies to the Radar application.
We recognise that the Radar app was developed with the best of intentions and was withdrawn shortly after its launch but, as you know, during its operation we received a number of queries and concerns about the application. We have been asked for our vtew on whether personal data was processed in compliance with data protection prlnciples and whether the Samaritans are data controllers. You continue to believe that you are not data controllers or that personal data has been processed so I am writing to explain detail our conclusions on these points.
Personal data is data that relates to an identifiable living individual. It is our well-established position that data which identifies an individual, even without a name associated with it, may be personal data where it is processed to learn or record something about that individual, or where the processing of that information has an impact upon that individual. According to the information you have provided, the Radar app was a web-based application that used a specially designed algorithm that searched for specific keywords within the Twitter feeds of subscribers to the Radar app. When words indicating distress were detected within a Tweet, an email alert was automatically sent from the Samaritans to the subscriber saying Radar had detected someone they followed who may be going through a tough time and provided a link to that individual’s Tweet. The email asked the subscriber whether they were worried about the Tweet and if yes, they were re-directed to the Samaritans’ website for guidance on the best way of providing support to a follower who may be distressed. According to your FAQs, you also stored Twitter User IDs, Twitter User friends’ IDs, all tagged Tweets including the raw data associated with it and a count of flags against an individual Twitter user’s friends’ ID. These unique identifiers are personal data, in that they can easily be linked back to identifiable individuals.
Based on our understanding of how the application worked, we have reached the conclusion that the Radar service did involve processing of personal data. It used an algorithm to search for words that triggered an automated decision about an individual, at which point it sent an email alert to a Radar subscriber. It singled out an individual’s data with the purpose of differentiating them and treating them differently. In addition, you also stored information about all the Tweets that were tagged.
We are aware of your view that you “are neither the data controller nor data processor of the information passing through the app”.
The concept of a data controller is defined in section 1 of the Data Protection 1998 (the DPA) as
“a person who (either alone or jointly or in common with other persons) determines the purposes for which and the manner in which any personal data are, or are to be, processed”
We have concluded that the Radar service has involved processing of personal data. We understand that you used the agency [redacted] to develop and host the application. We are not fully aware of the role of [redacted] but given your central role in setting up and promoting the Radar application, we consider that the Samaritans have determined the manner and purpose of the processing of this personal data and as such you are data controllers. If you wish to be reminded of the approach we take in this area you may find it helpful to consult our guidance on data controllers and data processors. Here’s the link: https://ico.org.uk/media/about-the-ico/documents/1042555/data-controllers-and-data-processors-dp-guidance.pdf
Sensitive personal data
We also discussed whether you had processed sensitive personal data. You explained that the charity did deal with people seeking help for many different reasons and the service was not aimed at people with possible mental health issues. However the mission of the Samaritans is to alleviate emotional distress and reduce the incidence of suicide feelings and suicidal behaviours. In addition, the stated aims of the Radar project, the research behind it and the information provided in the FAQs all emphasise the aim of helping vulnerable peopie online and using the app to detect someone who is suicidal. For example, you say “research has shown there is a strong correlation between “suicidal tweets” and actual suicides and with Samaritans Radar we can turn a social net into a safety net”. Given the aims of the project, it is highly likely that some of the tweets identified to subscribers included information about an
individual’s mental health or other medical information and therefore would have been sensitive personal data.
At our meetings you said that even if you were processing sensitive personal data then Schedule 3 condiüon 5 (“The information contained in the personal data has been made public as a result of steps deliberately taken by the data subject”) was sufficient to legitimise this processing. Our guidance in our Personal Information Online Code of Practice makes it clear that although people post personal information in a way that becomes publicly visible, organisations still have an overarching duty to handle it fairly and to comply with the rules of data protection. The Samaritans are well respected in this field and receiving an email from your organisation carries a lot of weight. Linking an individual’s tweet to an email alert from the Samaritans is unlikely to be perceived in the same light as the information received in the original Tweet — not least because of the risk that people’s tweets were flagged when they were not in any distress at all.
Any processing of personal data must be fair and organisations must consider the effect of the processing on the individuals concerned and whether the processing would be within their reasonable expectations. You indicated that although you had undertaken some elements of an impact assessment, you had not carried out a full privacy impact assessment. You appear to have reached the conclusion that since the Tweets were publicly visible, you did not need to fully consider the privacy risks. For example, on your website you say that “all the data is public, so user privacy is not an issue. Samaritans Radar analyses the Tweets of people you follow, which are public Tweets. It does not look at private Tweets.”
It is our view that if organisations collect information from the internet and use it in a way that’s unfair, they could still breach the data protection principles even though the information was obtained from a publicly available source. It is particularly important that organisations should consider the data protection implications if they are planning to use analytics to make automated decisions that could have a direct effect on individuals. Under section 12 Of the Data Protection Act, individuals have certain rights to prevent decisions being taken about them that are solely based on automated processing of their personal data. The quality of the data being used as a basis for these decisions may also be an issue.
We note that the application was a year in development and that you used leading academics in linguistics to develop your word search algorithm. You also tested the application on a large number of people, although, as we discussed, most if not of these were connected to the project in some way and many were enthusiastic to see the project succeed. As our recent paper on Big Data explains, it is not so much a question of whether the data accurately records what someone says but rather to what extent that information provides a reliable basis for drawing conclusions. Commentators expressed concern at the apparent high level of false positives involving the Radar App (figures in the media suggest only 4% of email alerts were genuine). This raises questions about whether a System operating with such a low success rate could represent fair processing and indicates that many Tweets were being flagged up unnecessarily.
Since you did not consider yourselves to be data controllers, you have not sought the consent of, or provided fair processing notices to, the individuals whose Tweets you flagged to subscribers. It seems unlikely that it would be within people’s reasonable expectations that certain words and phrases from their Tweets would trigger an automatic email alert from the Samaritans saying Radar had detected someone who may be going throuqh a tough time. Our Personal Information Online Code of Practice says it is good practice to only use publicly available information in a way that is unlikely to cause embarrassment, distress or anxiety to the individual concerned. Organisations should only use their information in a way they are likely to expect and to be comfortable with. Our advice is that if in doubt about this, and you are unable to ask permission, you should not collect their information in the first place.
Based on our observations above, we have reached the conclusion that the Radar application did risk causing distress to individuals and was unlikely to be compliant with the Data Protection Act.
We acknowledge that the Samaritans did take responsibility for dealing with the many concerns raised about the application very quickly. The application was suspended on 7 November and we welcomed [redacted] assurances on 14 November that not only was the application suspended but it would not be coming back in anything like its previous form. We also understand that there have been no complaints that indicate that anyone had suffered damage and distress in the very short period the application was in operation.
We do not want to discourage innovation but it is important that organisations should consider privacy throughout the development and implementation of new projects. Failing to do so risks undermining people’s trust in an organisation. We strongly recommend that if you are considering further projects involving the use of online information and technologies you should carry out and publish a privacy impact assessment. This will help you to build trust and engage with the wider public. Guidance on this can be found in our PIA Code of Practice. We also recommend that you look at our paper on Big Data and Data Protection and our Personal Information Online Code of Practice. Building trust and adopting an ethical approach to such projects can also help to ensure you handle people’s information in a fair and transparent way. We would be very happy to advise the Samaritans on data protection compliance in relation any future projects.
The views in this post (and indeed all posts on this blog) are my personal ones, and do not represent the views of any organisation I am involved with.