Type-C interface or make Apple's new MacBook a security risk

After Apple announced that the latest MacBook notebook will be released on April 10th with Type-C technology, on March 17, Google also said that the company will vigorously popularize the Type-C interface in the future, and its new Chromebook Pixe notebook has just been launched. It was when the leader was put.
After Apple announced that the latest MacBook notebook will be released on April 10th with Type-C technology, on March 17, Google also said that the company will vigorously popularize the Type-C interface in the future, and its new Chromebook Pixe notebook has just been launched. It was when the leader was put. The so-called Type-C interface, in short, is the interface with the front and back two-sided insertion function, in addition to the traditional USB data transmission function, it also unified the charging and DisplayPort video functions, its size is about 8.3mm × 2.5mm.




China Hardware Business Network


Between 2014 and 2015, due to the clear statements of mainstream vendors such as Apple, Google, Intel, and Microsoft, they will become popular among all mid- to high-end products from 2015, and Type-C technology will enter the general public's field of vision.

In fact, the Type-C interface is sought after, which has great inevitability:

First of all, it is also its most intuitive advantage - when using a USB device, the insertion does not have a positive or negative distinction, and it really realizes how to insert it.

Second, the scope of use is broader. Simply put, the Type-C interface can handle a variety of transmission functions, such as charging, USB data transmission, HDMI and VGA transmission. In response, Google described it as "when using a port, a cable and a connector can transfer power, data and connect to the screen at the same time."

Finally, there is considerable room for innovation and development. On the one hand, Type-C can withstand more power and provide more power for more devices. On the other hand, Type-C technology does not impose strict limits on the speed of data transmission, doubling the maximum transmission rate. This is by no means an idiotic dream.




China Hardware Business Network




However, although Type-C technology is "very good and powerful," it also faces a very serious drawback - security risks. In this regard, the overseas well-known technology media theVerge article believes that the existence of BadUSB vulnerability, or will become the biggest security risk of Type-C technology in the future.

As a problem discovered in 2014, the BadUSB vulnerability avoids the data read area and stores the malicious code in the firmware storage area of ​​the USB device controller, so that the user can successfully execute the malicious code before discovering it. Infected to a computer device. The most disgusting thing is that even if it is found to be maliciously infected, users can't clear the code by relying on ordinary anti-virus software or formatting operations, and although most USB devices have been built with corresponding protection, they are compared to the USB device itself. In terms of computer equipment, it is more difficult to prevent it in advance.

It is reported that although the world has been confirmed by hackers in various countries, so far, no manufacturer or authoritative electronic organization has explicitly recognized the loophole.

In response, security experts say the potential for fixing the BadUSB vulnerability is almost small. "Type-C's openness and flexibility also facilitated its wider attack." As the first researchers to discover the BadUSB vulnerability, Karsten Nohl expressed deep concern about Type-C interface technology. "Even with the latest standards, we are now unable to do anything with the BadUSB vulnerability." Because whether it is Apple or Google, as long as it does not abandon the USB port, it needs to follow the USB standard, and this has buried some hidden dangers.

In other words, the new MacBook and Chromebook Pixel users will also be the first to understand, what is the powerlessness of "plug and charge". It is understood that although the new charging head has no firmware to provide a hotbed for BadUSB vulnerability, for hackers, setting a set of automatically installed code is not difficult, and they need to wait, only a careless user to charge the computer. The moment on the Type-C interface.

Fixing any vulnerability at the ecological level is a very difficult problem in itself. No one has dared to say that the USB device works. Therefore, the only fix we can use now is to avoid it.

In the past, when Apple first came up with the lightning interface, it was pointed out that there were security risks, and it was also cracked by hackers. The days were still there and the sun rose. There are advantages and disadvantages to all things, just to see which option is more expensive. For the future of popularizing Type-C trends, others' power charging heads should also be remembered.

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Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn

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