像是电脑太旧了，漏洞太多

最开始是“On July 5, 2024, while monitoring Plaintiffs’ accounts on the Charles Schwab website, Mr. Liu received a pop-up message on his computer warning him that Plaintiffs’ Charles Schwab accounts had been compromised and were under attack from an unknown and unidentified source“

这明显是电脑有问题。炒股和报税应该用专用的电脑，每三，四年要换一个，要经常安装OS update，如果用一个5/6+年旧的电脑上网加炒股，很危险。