Versions of Michigan Laws 500.557 - Occurrence of cybersecurity event; investigation; maintenance of records on LawServer 2023 Michigan Laws 500.557 – Occurrence of cybersecurity event; investigation; maintenance of records 2022 Michigan Laws 500.557 – Occurrence of cybersecurity event; investigation; maintenance of records 2020 Michigan Laws 500.557 – Occurrence of cybersecurity event; investigation; maintenance of records 2019 Michigan Laws 500.557 – Occurrence of cybersecurity event; investigation; maintenance of records