Thanks to its regulatory powers, robust digital economy, and active foreign and security policy, the European Union is one of the key players in cyberspace. The EU strongly promotes the position that international law, and in particular the United Nations (UN) Charter, applies in cyberspace. As a complement to binding international law, the EU endorses the voluntary non-binding norms, rules and principles of responsible State behaviour that have been articulated by the UN Group of Governmental Experts. It also encourages the development and implementation of regional confidence building measures, both in the Organisation for Security and Co-operation in Europe and other regions. On a bilateral level, the EU has established cyber dialogues with strategic partners to reinforce the exchange of good practices, lessons learnt and further the idea of responsible state behaviour in cyberspace.

South Korea has made significant progress over the last decades when it comes to connectivity and is currently one of the leading states in terms of access and use of ICTs. While in 1995 less than one percent of Koreans used the internet, four years later the country passed the developed nation average and nowadays South Korea is a global leader in the field of connectivity and internet access. Government support for internet access has been instrumental in fostering this progress in connectivity through governmental programs, trainings and low interest loans to companies providing broadband access. Consequently, cyber issues were recognised as important to the bilateral relationship at the EU-South Korea Summit in 2015, and five cyber dialogues have taken place between 2015 and 2020.

Brazil is the world’s eighth largest economy in terms of GDP, and by far South America’s most populous and powerful state. While the country has suffered economic and political crises since 2014, it has made significant advances in domestic digitization and played a pivotal, albeit ambiguous role in international negotiations on cyberspace. Brazil has the world’s fifth largest internet user base, after China, India, the United States and Indonesia, and is a leading country in South America when it comes to ICTs usage. The share of Brazilians using the internet has increased from less than 3% of the population in 2000 to more than 68% in 2019. As such, Brazil remains a critical partner for the EU’s efforts to build a secure, stable and rights-based cyberspace.

Under the auspices of the UN, the EU and its Member States have consistently reaffirmed that a universal cyber security framework can only be grounded in existing international law, including the Charter of the United Nations in its entirety, international humanitarian law, and international human rights law. 
Addressing issues as to how existing international law and international humanitarian law, including the principles of humanity, necessity, proportionality and distinction, apply to the use ICTs by States is necessary to increase accountability and transparency. International humanitarian law is fully applicable in cyberspace and this should not be misunderstood as legitimising the use of force between states in the cyber domain. The EU has typically opposed calls for the need to adapt existing international law as a means to develop a new legal instrument for cyber issues.

As a member of the 2015 Group of Governmental Experts (UNGGE) and as per the Seoul Framework for and Commitment to an Open and Secure Cyberspace, the ROK recognises that international law, and in particular the UN Charter, is applicable in cyberspace and essential for maintaining security and stability as well as promoting an open, secure, peaceful, and accessible ICT environment. 
The country also acknowledges that cybersecurity must go hand-in-hand with respect for human rights and fundamental freedoms as set forth in the Universal Declaration of Human Rights and other international instruments. The ROK notably co-sponsored the Human Rights Council Resolutions 20/8 and 26/13 concerning the promotion, protection and enjoyment of human rights on the Internet. 
The country supports the idea of increasing interstate engagement and exchanging national views on how international law applies in cyberspace, both at the multilateral level as well as at the bilateral and regional levels.

In accordance with the output produced by the 2013, 2015, and 2021 consensual reports of the United Nations Groups of Governmental Experts on Developments in the Field of Information and Telecommunications in the Context of International Security (UNGGE), Brazil believes that international law enjoys general applicability in cyberspace. For Brazil, this also includes international humanitarian law and international human rights law. Nevertheless, Brazilian delegations have expressed concern that unqualified transfers of international humanitarian law and an unlimited right of self-defence could legitimise cyberspace as a military domain, while also challenging the protective value of sovereignty and cementing a Western-biased status quo.

Since 2014, the EU’s ambition has been to act as an ‘honest broker’ on multilateral discussions surrounding issues of cyber governance and norms of responsible state behaviour, aiming to ensure the support and partnership of proactive players in the context of the global debate. The EU has long promoted the need for voluntary, non-binding norms. It believes that norms crystallised under the UN GGE process should generally not be revisited and that progress should be made on matters relating to their implementation. 
Within the OEWG, the EU advanced a suggestion to develop a global repository of existing practice within the United Nations, which would enable UN member states to showcase how they are implementing the voluntary norms of responsible state behaviour, confidence building and other measures.

The ROK stands in favour of the adoption and elaboration of voluntary, non-binding norms of state behaviour during peacetime. It strongly upholds the 11 non-binding norms agreed upon in the 2015 UNGGE report and believes that further efforts should be undertaken to clarify and concretise them. 
In addition, the ROK has put great emphasis on the principle of due diligence, consistently demonstrating its commitment through public statements at regional and international forums. The country believes that no new legally binding instrument is necessary for the moment, retaining a preference for the ‘soft law’ approach and maintaining that less resilient states should first focus on building capacity rather than reforming regulatory frameworks.

Brazilian diplomats portray Brazil’s role in the often polarised debates on norms of responsible state behaviour as that of a broker or strategic bridge-builder between the different camps rather than a mere ‘swing state’ and highlight that balancing between both camps serves to maintain an independent foreign policy. Brazil sought to focus its chairmanship of UN GGE’s third and fourth iterations on three issues: the role of civilians in cyber conflict, the right to respond, and attribution. Since the 2013 Snowden revelations, the country has been a stark champion of data protection, showcasing exceptional norm entrepreneurship
in relation to cyber-surveillance norms. Brazil has also expressed support for the proposal of adopting a legally binding instrument in the medium to long-term to prevent the militarisation of cyberspace.

The EU places great importance on cyber resilience and capacity building. Internally, the Union has built a robust legal acquis in relation to the resilience of critical infrastructures, the cornerstone of which rests upon the 2016 Network and Information Security (NIS) Directive and the 2013 and 2019 Cybersecurity Acts. This legal meshwork seeks to integrate cybersecurity into all elements of the supply chain and introduce soft law mechanisms like the EU cybersecurity certification scheme. In doing so, it harmonises national cybersecurity capabilities, cross-border collaboration and the supervision of critical sectors across the EU. 
In the coming months, the Commission intends to add upon the existing cyber-acquis by introducing an array of new initiatives, such as the updated NIS Directive (the so-called NIS2), a proposal on a Critical Entities Resilience (CER) Directive, and a plan to launch a network of Security Operations Centres across the Union. The aim is to create a Union-wide ‘cybersecurity shield’ that will facilitate the detection of cyberattacks and provide an impetus for proactive action. 
This internal buildup of capabilities is supplemented by the development of a specialised ‘cyber diplomacy toolbox’ that allows the Union and its Member States to address cyber incidents through various joint policies, from cooperation and stabilisation measures to restrictive measures and attribution.

Driven by a proliferation of cyberthreats originating in the DPRK, Korean diplomats have consistently maintained that bridging the global gap in cybersecurity capabilities constitutes a central task for states; as such, countries should develop cyber defence capabilities to foster resilience in the global cyber ecosystem. 
The South Korean government has introduced several international cooperation mechanisms, especially through the Korean Internet & Security Agency (KISA) and its Global Cybersecurity Centre for Development (GCCD) project. Through the GCCD, South Korea has worked with the World Bank and a series of partner countries in Latin America to organise workshops and exercises. Another important initiative is the Cybersecurity Alliance for Mutual Progress (CAMP) network, a mechanism launched in 2016 that provides a platform for Korea to share its expertise with a large group of partner countries and help them exchange knowledge and best practices.

Brazil’s 2020 National Cybersecurity Strategy (E-Ciber) outlines ten strategic actions to be undertaken in relation to cyber resilience, which include the extension of international cooperation and the enhancement of protection for critical infrastructure. The Strategy pledges Brazil to encourage international cooperation in cybersecurity, participate in joint cyber resilience events and exercises, and expand cybersecurity cooperation agreements. On the level of discourse, Brazil remains committed to international cyber cooperation in resilience, staying true to its traditional stance in favour of multilateral solutions.

The EU has been an early champion of the Budapest Convention signed under the auspices of the Council of Europe, given the overlapping membership of the two organisations. Much of the EU’s cyber diplomatic efforts have focused on promoting the Convention as the main instrument of choice for fighting cybercrime on a global level. EU member states have consistently opposed Russian bids for replacing this regime with another legal framework. 
The Union is represented in the recently constituted Ad Hoc Committee established by UNGA resolution 74/247 by its Member States and is currently focused on ensuring that the process is inclusive, transparent, consistent with the progress of the UNGGE and OEWG processes, and committed to legal consistency.

The ROK is generally a strong advocate of strengthening global cooperation against cybercrime. While it is not formally a signatory to the Budapest Convention, the country voted against the Russian-sponsored UNGA resolution calling for a new binding cybercrime treaty. 
To promote cooperation among law enforcement agencies, the ROK’s Supreme Prosecutor’s Office (SPO) convenes regular meetings with the FBI, while also engaging with the Federal Criminal Police Office (BKA) in Germany and the European Cybercrime Centre (EC3) in the Netherlands. 
On the basis of an increased awareness that Internet Service Providers (ISPs) are becoming “important partners to secure electronic evidences”, the SPO works along with Microsoft to operate the Government Security Program (GSP).

Brazil originally refrained from signing the Budapest Convention on Cybercrime and had expressed scepticism in response to invitations to accede. The argument advanced was that the treaty is Western-biased and lacking in inclusivity, given that Brazil was not part of the original drafting process. During voting for UNGA Resolution A/74/401, the Russian-sponsored proposal for a new binding Cybercrime Convention, Brazil abstained; during meetings with the BRICS leaders, however, Brazil had endorsed Russian pleas for a new cybercrime instrument to replace the Budapest regime. Upon invitation by the Council of Europe, Brazil finally initiated the process of accession to the Convention in December 2019 and is now an observer country.