This is your China Hack Report: Daily US Tech Defense podcast.

Good evening, I’m Ting—your cyber-savvy, China-watching, malware-wrangling host. Pull up a chair, because the past 24 hours? Let’s just say, if you work with tech or infrastructure in the US, you might need an extra coffee—and maybe a new password manager.

The big headline: new China-linked malware, codenamed “SignalFrost,” has been found weaving its way through US telecommunications networks. Security firm SentinelOne caught the first signs last night when their own infrastructure came under attack—think of it as hackers knocking on the bouncer’s door at their own party and getting caught on camera. Props to SentinelOne, by the way, for not only detecting and blocking the attempt but also tracing it to a wider pattern of global intrusions targeting critical infrastructure vendors and managed service providers.

Who got hit? The focus appears to be on data centers, with Digital Realty showing suspicious network traffic, and residential internet providers—Comcast among them—highlighting that these actors aren’t just after classified secrets, but the backbone of how we live and work online.

Homeland Security chimed in with a warning this morning, echoing the urgency. They flagged a spike in signal jammers—smuggled by China-based tech firms—making their way into the US. These aren’t just theoretical risks; compromised signal integrity could mess with everything from consumer broadband to emergency response, amplifying the impact of malware already in the wild.

Now, how are the feds responding? Enter CISA, stage left, with a classic three-alarm advisory: patch, monitor, and isolate. Emergency security patches are out for network edge devices commonly deployed by ISPs and data centers. CISA’s recommendation is clear: deploy those patches within 24 hours, activate network segmentation for any suspicious system, and double down on multi-factor authentication everywhere—especially for admin accounts.

The Justice Department’s earlier indictments of 12 Chinese contract hackers provide some context, too. No, the specific names don’t pop up in the SignalFrost documentation—yet—but the pattern of coordinated attacks on both public and private entities fits what Assistant Attorney General Matthew Olsen described as “persistent, well-resourced, and evolving.”

For immediate defense, here’s the Ting Checklist: First, patch everything—do not pass Go. Second, audit third-party access—vendors and MSPs are increasingly juicy targets. Third, watch for unusual traffic leaving the network—especially from data center and telecom environments. And finally, stay glued to CISA’s alerts; these are not days to take cyber hygiene lightly.

So, to my fellow cyber defenders: stay sharp, patch up, and remember, in the digital trenches, vigilance never goes out of style. This has been Ting with your China Hack Report—techie enough for you, but never too serious for a good firewall joke. Stay safe, and see you on the next breach.

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