— A new state law allows a court to grant authority over online banking, credit card and social media accounts to a conservator of a vulnerable person or an executor of an estate. Many states are grappling with who owns the online accounts of a recently deceased family member. The South Dakota law, which took effect July 1, allows caregivers to seek court authority to deactivate or boost cybersecurity on a loved one’s accounts. If left inactive, these so-called digital assets …