A/HRC/28/56 (c) Supporting alliances such as the Virtual Global Taskforce and the Global Alliance against Child Sexual Abuse Online for the effective cooperation in investigation and prosecution of criminal networks and perpetrators; (d) Establishing a global permanent task force to harmonize practices and procedures, share expertise and scale up good practices, and provide assistance to States for the development of national legislation, policies and strategies to effectively combat online child sexual exploitation; (e) Establishing and maintaining a single global database of child sexual abuse images, with limited access for the private sector to facilitate identification of exploitative behaviour, victims and offenders; (f) Establishing an international “Safer Internet Day” as a global day to raise awareness on online safety, including information on child sexual exploitation facilitated by new technologies and ways of combating it. 3. Regarding corporate social responsibility 89. The Special Rapporteur highlights the importance of enhancing corporate social responsibility involving Internet service and content providers, telecommunications, financial companies and the media in order to strengthen child safety online. The Special Rapporteur encourages the business sector to develop applications for mobile devices which allow children to report cases of online sexual abuse and exploitation, and to ensure that applications do not facilitate the sexual exploitation of children. 22