Sony reformed its organizational structure and established a new executive team in 2010 to boost profitability. This led to achieving 80% of Sony's targeted 330 billion yen in group-wide cost reductions. As part of its four initiatives, Sony aimed to strengthen profitability in its game business. To this end, Sony released the PlayStation Vita in December 2011 and introduced a service to deliver games. However, Sony has serious concerns about security in the current market in light of a 2011 PlayStation Network data breach that leaked user information.