N.Y. Penal Law § 215.70
A person is guilty of unlawful grand jury disclosure when, being a grand juror, a public prosecutor, a grand jury stenographer, a grand jury interpreter, a police officer or a peace officer guarding a witness in a grand jury proceeding, or a clerk, attendant, warden or other public servant having official duties in or about a grand jury room or proceeding, or a public officer or public employee, he intentionally discloses to another the nature or substance of any grand jury testimony, or any decision, result or other matter attending a grand jury proceeding which is required by law to be kept secret, except in the proper discharge of his official duties or upon written order of the court. Nothing contained herein shall prohibit a witness from disclosing his own testimony.
Unlawful grand jury disclosure is a class E felony.
N.Y. Penal Law § 215.70