Жители Санкт-Петербурга устроили «крысогон»17:52
（三）违反本法第四十五条至第四十六条的规定，未依法履行网络安全产品、服务备案等义务的；
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This most famously came to a head in 2023, when the inquiry and government ended up in the High Court over the government's refusal to release Boris Johnson's WhatsApp messages, diaries and notebooks. The government lost the case.
I believe the 2984 did something fairly similar, but the details are now obscure