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Sources

Back Doors, Remote Access, Vulnerable Code - Are Chinese Routers Spying On Us?

Huawei staff performing routine maintenance
Huawei staff performing routine maintenance
Paul Laubacher

Chinese routers from Huawei and ZTE are "a threat" for the United States, or even the world, according to a U.S. Congressional intelligence committee report made public on October 8. The committee suspects that these machines, which transmit Internet communications, could be working for the Chinese government.

With this report, the American Congress has launched its own attack against the two Chinese telecom firms, already singled out by the U.S. Department of Defense, as well as, in France, by Senator Jean-Marie Bockel.

After a yearlong investigation, the congressional committee concluded that two the telecom giants are a real danger to American security. Their recommendation is simple: Huawei and ZTE must not be allowed to sign contracts or make acquisitions in the United States.

The House Intelligence Committee's conclusions are stark. "Based on available classified and unclassified information, Huawei and ZTE cannot be trusted to be free of foreign state influence and thus pose a security threat to the United States and to our systems."

The Beijing link

The congressmen launched their investigation because of the unclear relations between the Chinese government and the two companies. They believe that Beijing could use the two companies' products to conduct economic and military warfare, or even cyber-attacks. With Huawei and ZTE, according to the committee, China would have "the means, opportunity and motive to use telecommunications companies for malicious purposes."

The American authorities have suspected for a long time that chips, routers, and other digital equipment from China could be equipped with "back doors," hidden access that would allow an ill-intentioned remote user to connect, giving the Chinese government the chance to access sensitive information as it passes through the machines.

Questioned by the committee, the heads of the two Chinese companies responded that they are businessmen and have nothing to do with politics. "The integrity and independence of our organization and its business practices are respected and considered worthy of confidence and the integrity in more than 150 different countries," Huawei's vice president William Plummer said in its defense. ZTE is remaining silent.

Needless to say, the companies’ answers concerning their relations with the Chinese government did not satisfy the committee.

Defense risks

This is not the first time that the two Chinese manufacturers have been under fire. In August, Felix Lindner and Gregor Kopf, computer security specialists at Recurity Labs, criticized the vulnerability of Huawei's machines. "You get what you pay for, sorry. These machines have serious security issues."

According to Felix Lindner, Huawei routers are actually dangerous. "In my eyes, the greatest danger is that you don't know how vulnerable it is, you're left in the dark." He blames the company for not providing any instructions to their consumers. He also says that the machines use "1990s-style code" which is "too vulnerable to intrusions."

Even earlier, the alarm was sounded by Jean-Marie Bockel, a centrist French senator and former secretary of state for defense. On July 19, the senator presented a report on French cyber-defense. It proposed "banning at-risk routers and other core network equipment." On his short list of brands to ban: Huawei and ZTE.

According to the Bockel report, "There is nothing to prevent a country that produces network routers from inserting devices for surveillance or interception, or even a system that completely interrupts all communication at any time." Bock also asked for a ban on the sale or use of Chinese equipment to companies that manage Internet communications.

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Green

Forest Networks? Revisiting The Science Of Trees And Funghi "Reaching Out"

A compelling story about how forest fungal networks communicate has garnered much public interest. Is any of it true?

Thomas Brail films the roots of a cut tree with his smartphone.

Arborist and conservationist Thomas Brail at a clearcutting near his hometown of Mazamet in the Tarn, France.

Melanie Jones, Jason Hoeksema, & Justine Karst

Over the past few years, a fascinating narrative about forests and fungi has captured the public imagination. It holds that the roots of neighboring trees can be connected by fungal filaments, forming massive underground networks that can span entire forests — a so-called wood-wide web. Through this web, the story goes, trees share carbon, water, and other nutrients, and even send chemical warnings of dangers such as insect attacks. The narrative — recounted in books, podcasts, TV series, documentaries, and news articles — has prompted some experts to rethink not only forest management but the relationships between self-interest and altruism in human society.

But is any of it true?

The three of us have studied forest fungi for our whole careers, and even we were surprised by some of the more extraordinary claims surfacing in the media about the wood-wide web. Thinking we had missed something, we thoroughly reviewed 26 field studies, including several of our own, that looked at the role fungal networks play in resource transfer in forests. What we found shows how easily confirmation bias, unchecked claims, and credulous news reporting can, over time, distort research findings beyond recognition. It should serve as a cautionary tale for scientists and journalists alike.

First, let’s be clear: Fungi do grow inside and on tree roots, forming a symbiosis called a mycorrhiza, or fungus-root. Mycorrhizae are essential for the normal growth of trees. Among other things, the fungi can take up from the soil, and transfer to the tree, nutrients that roots could not otherwise access. In return, fungi receive from the roots sugars they need to grow.

As fungal filaments spread out through forest soil, they will often, at least temporarily, physically connect the roots of two neighboring trees. The resulting system of interconnected tree roots is called a common mycorrhizal network, or CMN.

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