It’s quite natural to feel protective of your personal information. It’s not only natural, it’s sensible. But if providers of important services like local authorities, hospitals, police forces, employers (and even Housing Associations) don’t know who’s out there, they can’t be expected to get it right. If you don’t provide this information they don’t know if what their doing meets your needs.
Any personal information we collect is kept confidentially. If you’d like to learn more you can read some advice from the charity Stonewall.