请问HN：华盛顿邮报说Signal不安全，这个说法正确吗？
以下是翻译内容：
https://www.washingtonpost.com/national-security/2025/03/26/trump-signal-chat-war-plan-texts-released/
作者：亚历克斯·霍顿和米西·瑞安
“这段对话发生在一个不安全的、商业可用的消息平台上。”
我了解到，Signal在尊重用户隐私方面实际上领先于其他平台，所以这让我感到困惑。Signal是否在我不知道的情况下未通过审计？
查看原文
https://www.washingtonpost.com/national-security/2025/03/26/trump-signal-chat-war-plan-texts-released/<p>By Alex Horton and Missy Ryan<p>"the conversation that occurred over an unsecure, commercially available messaging platform."<p>My understanding has been that Signal is actually well out ahead of other platforms in terms of respecting user privacy, so this seems confusing to me. Has Signal failed an audit that I'm unaware of?