Joshua Hosvha

Data Protection Consultant & Researcher

About Joshua

Joshua joined Castlebridge in 2019 as part of our engagement with the Adapt Centre in Trinity College Dublin.

He is an Early Stage Researcher in the Adapt Centre pursuing his PhD while working with Castlebridge.

In addition to his research activities for Trinity and for Castlebridge, Joshua works directly with Castlebridge clients on project engagements.

Prior to joining Castlebridge and commencing his PhD research, Joshua worked with a number of political advocacy and grass-roots community groups in his native South Africa.


  • BA in Political Science & International Relations, University of Johannesburg
  • MA in Political Science and Governance, University of the Witwatersrand
  • LLM, Trinity College Dublin

Horizon 2020 Declaration

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Castlebridge is a beneficiary partner of the PROTECT-ITN project in the Adapt Centre, TCD

This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement Nº813497

Blog Posts by Joshua

People love the Trolley problem. Picture the scenario, You are standing by a train line next to a lever. On your right is a fast-approaching Train (trolley to keep it in the original version) on your left is a fork in the train line. The course which the train line is set to take ends in death for five people, but if you divert the train with that handy lever, it will kill one person.

Living through the global pandemic has felt like undergoing social experiments at a global scale one after another. Lockdowns, mask-mandates, never ending supplies of hand sanitiser have changed life in radical ways. It seems that moving out of our Covid-19 reality will be no less charged. The latest debate in the cross section of technology, health, and society centres on Vaccine Passports.

In January, Iceland became the first European nation to issue and recognise vaccine passports

In the aftermath of Oprah's interview many have focused on what Megan got wrong about the workings of the monarchy. No, the couple did not in fact technically get married privately before the giant ceremony broadcast to the world. Additionally, the unprincely status of Archie is not due to a decision of the reigning royal family. Instead, it stems from 100-year-old decree made by the Queen's grandfather George V which limited the number of Royal

Right now, in Ireland, national attention has been given to the Mother and Baby Homes Commission and what is to happen with their findings.

This led us at Castlebridge to ask about how good Public Sector bodies are in general at keeping and protecting personal data. The first check would usually be whether they have kept proper records of the data processed. Under the Accountability principle of GDPR, organisations are required to actively prove their compliance

The Privacy Community and data nerds of all stripes are still working in overdrive to understand the ramifications of the Schrems II decision given by the CJEU last month.

Here the CJEU ruled on the transfer of personal data from inside the EU to controllers and processors outside of the EU. Specifically looking at the United States and the Privacy Shield arrangement allowing free flowing data transfers between the EU and the US.

As Daragh O Brian

"The single biggest problem in communication is the illusion that it has taken place."

George Bernard Shaw
On Monday 22 June, the BBC reported that Ireland was preparing to release its Contact Tracing Application to track and contain the spread of the Covid-19 Virus. This is positive news and perhaps surprising considering the ongoing issues experienced by other countries attempting to implement a centrally controlled Tracing app of their own.

The embarrassing experience of the UK is

Writing in 1968 at a time of great faith in scientific progress, the ecologist Garret Hardin sent out a warning to the world that technology alone isn’t enough. Hardin’s article “The Tragedy of the Commons” claimed that the finite limitation of common resources cannot be fixed with ‘technical solutions”. Instead, he stressed the need for a revolution of moral imagination as the only way to overcome these challenges.

Those fighting for global action on climate change