This is your Cyber Sentinel: Beijing Watch podcast.
Hey there, I'm Ting, and welcome to Cyber Sentinel: Beijing Watch. Let's dive right into the latest on Chinese cyber activities affecting US security.
Over the past few days, we've seen a significant escalation in Beijing's hybrid tactics, particularly targeting US critical infrastructure and key government entities. The recent state-sponsored cyberattack on the US Treasury Department by the Chinese Communist Party (CCP) is a prime example. This attack, which occurred in early December, marks a new level of sophistication and audacity, with over 3,000 files stolen, including sensitive policy and travel documents, organizational charts, and even material on sanctions and foreign investment[4].
The group behind this attack, known as Salt Typhoon (or Earth Estries, FamousSparrow, GhostEmperor, and UNC2286), has been active since at least 2019 and has strong ties with China's Ministry of State Security (MSS). The US Treasury Department has imposed sanctions on a Chinese cybersecurity company, Sichuan Juxinhe Network Technology Co., LTD., and a Shanghai-based cyber actor, Yin Kecheng, for their alleged links to this group[4].
But it's not just the US that's been targeted. Taiwan has borne the brunt of these attacks, with government networks facing 2.4 million cyberattacks in 2024, most of which are attributed to Chinese state actors. These attacks are designed to steal confidential data, disrupt critical infrastructure systems, and even sell personal data of Taiwanese nationals on the dark web[5].
Another Chinese state-sponsored group, RedDelta, has been targeting countries in Southeast Asia, Mongolia, and Taiwan with a customized backdoor known as PlugX. This group has evolved its tactics, moving from using Windows Shortcut (LNK) files to Microsoft Management Console Snap-In Control (MSC) files and, most recently, HTML files hosted on Microsoft Azure[2].
So, what does this mean for us? Well, it's clear that China's cyber program represents a significant threat to US critical infrastructure and national security. The US needs to stay vigilant and proactive in its cybersecurity efforts. This includes using detection tools, keeping software updated, filtering email for malicious attachments, and ensuring network defenses are robust.
As Jen Easterly, director of the Cybersecurity and Infrastructure Security Agency (CISA), said, "China's sophisticated and well-resourced cyber program represents the most serious and significant cyber threat to our nation, and in particular, US critical infrastructure." It's time for us to take this threat seriously and take action to protect our digital borders.
That's all for now. Stay safe, and stay tuned for more updates on Cyber Sentinel: Beijing Watch.
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