Conn. Gen. Stat. § 42a-8-115
Securities intermediary and others not liable to adverse claimant.
(1) Took the action after it had been served with an injunction, restraining order or other legal process enjoining it from doing so, issued by a court of competent jurisdiction; or
(2) Acted in collusion with the wrongdoer in violating the rights of the adverse claimant; or
(3) In the case of a security certificate that has been stolen, acted with notice of the adverse claim.