Microsoft has characterized SEABORGIUM as having goals that align with Russian state interests
https://www.theregister.com/2022/08/16/microsoft_russian_spies/
Google cybersecurity subsidiary Mandiant
https://www.theregister.com/2022/09/07/mandiant_apt42_irgc/
and email security vendor Proofpoint have both linked TA453 to the Islamic Revolutionary Guard Corps
https://www.theregister.com/2022/12/15/charming_kitten_ta453_expands_targets/