This Ain’t Ethernet: New Data Center Espionage Vector Raises Concerns

Some of the most recent news in tech concerns a back and forth around connectivity hardware for data centers. We are most certainly in the data center age, with big American firms scooping up loads of Nvidia GPUs and hooking them together to power the biggest, fanciest new model operations. But now there’s a kerfuffle about some components.

What’s this about? Optical transceivers are connectors, sort of like pipe fittings, or terminal jacks, that convert digital signals into light and back again. Simple, right?

These cutting-edge switches are crucial parts of data center infrastructure, even though they are small, and their role in the build is relatively straightforward. The problem is, a lot of them are made in China, and now, American officials are claiming that using them in U.S. data centers is a national security vulnerability.

Why? Because theoretically, they say, the Chinese could compromise these connectors to hack U.S. systems.

One idea is that the hijacked optical transceivers might intercept sensitive information, and route it to unauthorized destinations, or alternately, blaze a trail for malicious software or unauthorized access.

“This is particularly concerning in AI data centers because they process enormous quantities of proprietary information, business data, and potentially sensitive government information,” Copilot told me rather woodenly.

Is there any evidence that this has actually been done? Not that I’ve seen.

Additionally, those exploiting compromised optical transceivers could “sabotage” a data center, by interrupting communications between servers, disabling portions of the data center, creating outages or unplanned downtime. Those kinds of metric damage.

Again, I haven’t seen reports of any of this being done.

Neither has Microsoft, and that’s where the pushback comes in.

Made in the USA

I got this overly simplified chart from GPT:

Studying the Ban

A Congressional Thing

But here’s a slightly different take from U.S. Senator John Fetterman: