KATZ - Stephen R. of East Northport on December 2, 2023, at 81 years of age. A graduate of NYU, Steve dedicated his life to pioneering advancements in cybersecurity beginning with his industry-first appointment to Chief Information Security Officer for Citigroup. He went on to shape the landscape of information security at JPMorgan, Merrill Lynch, and later his own firm. He will be remembered as a mentor and for his witty humor and storytelling. Devoted husband of Mildred. Loving father of Bruce (Denise), Sherryl (Michael), Jeffrey (Donna), Scott (Lena), and Andrew (Penny). Treasured grandfather of Justin, Jordan, Julia, David, Matthew, Joshua, Rachel, Jillian, Jared, Polina, Sasha, Joseph, and Jake. Brother of Arlene (Peter) Visitation Monday from 2 - 4 & 7 - 9 pm at Brueggemann Funeral Home - 522 Larkfield Road, East Northport. Funeral Mass Tuesday, 9:30 am at St. Elizabeth R.C. Church. Entombment to follow at Pinelawn Memorial Park. Memorials contributions in lieu of flowers are requested to St. Jude Children’s Research Hospital www.bfhli.com