You’re right. A service does have a responsibility to pass on information that is available in the community to support families.
Responses could include:
a breach of duty of care where a worker has acted in any way that a reasonable person (based on their experience and training) considers may cause harm
a breach of confidentiality where a worker is intentionally or unintentionally collecting, storing or using confidential information in a way that does not adhere to privacy legislation or an organisation's confidentiality and privacy policy
a breach of professional ethics where a worker's behaviour is contrary to a professional code of conduct, code of ethics, expressed values of an organisation or commonly upheld professional standards within the community services sector
a breach of organisational procedure where a worker has performed any action or non-action that is not aligned with organisational procedures.