Ars Technica: Researchers devise iPhone malware that runs even when device is tu
rned off.
[1]https://arstechnica.com/information-technology/2022/05/researchers-devise-iph
one-malware-that-runs-even-when-device-is-turned-off/

References

   1. https://arstechnica.com/information-technology/2022/05/researchers-devise-iphone-malware-that-runs-even-when-device-is-turned-off/