A sophisticated Chinese hacking group, known as Salt Typhoon, breached the critical infrastructure of AT&T, Lumen, and Verizon, exploiting backdoors in surveillance systems used for law enforcement wiretapping. This breach, considered a catastrophic security risk, highlights the dangers of implementing backdoors in secure systems, as they can be discovered and exploited by hackers. Apple’s refusal to include backdoors in iPhone encryption is validated by this incident, as it demonstrates that such vulnerabilities can be used by malicious actors to access sensitive data, underscoring the importance of strong encryption for user privacy and security.