See recent media reports for non-technical summary: https://www.theguardian.com/technology/2021/oct/19/phone-firms-hit-by-suspected-chinese-hackers-lightbasin-

See recent media reports for non-technical summary: https://www.theguardian.com/technology/2021/oct/19/phone-firms-hit-by-suspected-chinese-hackers-lightbasin-china https://www.theguardian.com/technology/2021/oct/19/phone-fir... https://www.reuters.com/technology/china-linked-hacking-group-accessing-calling-records-worldwide-crowdstrike-says-2021-10-19/ https://www.reuters.com/technology/china-linked-hacking-grou...