Part1...
<a href="https://limitedresults.com/2020/06/nrf52-debug-resurrection-approtect-bypass/" rel="nofollow">https://limitedresults.com/2020/06/nrf52-debug-resurrection-...</a><p>...and the related discussion on HN
<a href="https://news.ycombinator.com/item?id=23485711" rel="nofollow">https://news.ycombinator.com/item?id=23485711</a>
Nordic Semi seems to been handling it somewhat decently now, by acknowledging the flaw officially.<p><a href="https://infocenter.nordicsemi.com/pdf/in_133_v1.0.pdf" rel="nofollow">https://infocenter.nordicsemi.com/pdf/in_133_v1.0.pdf</a>