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Charging phone on public USB can get you hacked

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Smartphones can be compromised when charged using a standard USB connection connected to a computer, Kaspersky Lab experts have discovered in a proof-of-concept experiment.

Have you ever wondered how safe your smartphone and data are when you connect the device to freely available charging points at airports, cafes, parks and public transport? Do you know what, and how much data your mobile device is exchanging with these points while it’s charging? Kaspersky Lab researchers became curious and conducted research to find the answers to these questions.

As part of this research, the company’s experts tested a number of smartphones running various versions of Android and iOS operating systems in order to understand what data the device transfers externally while connected to a PC or Mac for charging. The test results indicate that the mobiles reveal a whole litany of data to the computer during the ‘handshake’ (a process of introduction between the device and the PC/Mac it is connected to), including: the device name, device manufacturer, device type, serial number, firmware information, operating system information, file system/file list, electronic chip ID. The amount of data sent during the handshake varies depending on the device and the host, but each smartphone transfers the same basic set of information, like device name, manufacturer, serial number etc.

Now that smartphones almost always accompany their owner, the device serves as a unique identifier for any third party who might be interested in collecting such data for some subsequent use. But it wouldn’t be a problem if collecting a few unique identifiers was all that an attacker could do with a device connected to an unknown computer or charging device.

Back in 2014, a concept was presented at Black Hat that a mobile phone could be infected with malware simply by plugging it into a fake charging station. Now, two years after the original announcement, Kaspersky Lab experts have been able to successfully reproduce the result. Using just a regular PC and a standard micro USB cable, armed with a set of special commands (so-called AT-commands), they were able to re-flash a smartphone and silently install a root application on it. This amounts to a total compromise of the smartphone, even though no malware was used.

Although information about actual incidents involving fake charging stations has not been published, the theft of data from mobiles connected to a computer has been observed in the past. For example, this technique was used in 2013 as part of the cyberespionage campaign Red October. And the Hacking Team group also made use of a computer connection to load a mobile device with malware. Both of these threat actors found a way to exploit the supposedly safe initial data exchange between the smartphone and the PC it was connected to. By checking the identification data received from the connected device, the hackers were able to discover what device model the victim was using and to progress their attack with a specifically-chosen exploit. That would not have been as easy to achieve if smartphones did not automatically exchange data with a PC automatically upon connecting to the USB port.

“It is strange to see that nearly two years after the publication of a proof-of-concept demonstrating how a smartphone can be infected though the USB, the concept still works. The security risks here are obvious: if you’re a regular user you can be tracked through your device IDs; your phone could be silently packed with anything from adware to ransomware; and, if you’re a decision-maker in a big company, you could easily become the target of professional hackers,”  warns Alexey Komarov, researcher at Kaspersky Lab. “And you don’t even have to be highly-skilled in order to perform such attacks, all the information you need can easily be found on the Internet,” he concludes.

In order to protect yourself from the risk of possible attack through unknown charging points and untrusted computers, Kaspersky Lab advises the following:

·         Use only trusted USB charging points and computers to charge your device;

·         Protect your mobile phone with a password, or with another method such as fingerprint recognition, and don’t unlock it while charging;

·         Use encryption technologies and secure containers (protected areas on mobile devices used to isolate sensitive information) to protect the data;

·         Protect both your mobile device and your PC/Mac from malware with the help of a proven security solution. This will help to detect malware even if a “charging” vulnerability is used.

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Now download a bank account

Absa has introduced an end-to-end account opening for new customers, through the Absa Banking App, which can be downloaded from the Android and Apple app stores. This follows the launch of the world first ChatBanking on WhatsApp service.

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This “download your account” feature enables new customers to Absa, to open a Cheque account, order their card and start transacting on the Absa Banking App, all within minutes, from anywhere and at any time, by downloading it from the App stores.

“Overall, this new capability is not only expected to enhance the customer’s digital experience, but we expect to leverage this in our branches, bringing digital experiences to the branch environment and making it easier for our customers to join and bank with us regardless of where they may be,” says Aupa Monyatsi, Managing Executive for Virtual Channels at Absa Retail & Business Banking.

“With this innovation comes the need to ensure that the security of our customers is at the heart of our digital experience, this is why the digital onboarding experience for this feature includes a high-quality facial matching check with the Department of Home Affairs to verify the customer’s identity, ensuring that we have the most up to date information of our clients. Security is supremely important for us.”

The new version of the Absa Banking App is now available in the Apple and Android App stores, and anyone with a South African ID can become an Absa customer, by following these simple steps:

  1. Download the Absa App
  2. Choose the account you would like to open
  3. Tell us who you are
  4. To keep you safe, we will verify your cell phone number
  5. Take a selfie, and we will do facial matching with the Department of Home Affairs to confirm you are who you say you are
  6. Tell us where you live
  7. Let us know what you do for a living and your income
  8. Click Apply.

 

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How we use phones to avoid human contact

A recent study by Kaspersky Lab has found that 75% of people pick up their connected device to avoid conversing with another human being.

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Connected devices are becoming essential to keeping people in contact with each other, but for many they are also a much-needed comfort blanket in a variety of social situations when they do not want to interact with others. A recent survey from Kaspersky Lab has confirmed this trend in behaviour after three-quarters of people (75%) admitted they use a device to pretend to be busy when they don’t want to talk to someone else, showing the importance of keeping connected devices protected under all circumstances. 

Imagine you’ve arrived at a bar and you’re waiting for your date. The bar is busy, and people are chatting all around you. What do you do now? Strike up a conversation with someone you don’t know? Grab your phone from your pocket or handbag until your date arrives to keep yourself busy? Why talk to humans or even make eye-contact with someone else when you can stare at your connected device instead?

The truth is, our use of devices is making it much easier to avoid small talk or even be polite to those around us, and new Kaspersky Lab research has found that 72% of people use one when they do not know what to do in a social situation. They are also the ‘go-to’ distraction for people even when they aren’t trying to look busy or avoid someone’s eye. 46% of people admit to using a device just to kill time every day and 44% use it as a daily distraction.

In addition to just being a distraction, devices are also a lifeline to those who would rather not talk directly to another person in day-to-day situations, to complete essential tasks. In fact, nearly a third (31%) of people would prefer to carry out tasks such as ordering a taxi or finding directions to where they need to go via a website and an app, because they find it an easier experience than speaking with another person.

Whether they are helping us avoid direct contact or filling a void in our daily lives, our constant reliance on devices has become a cause for panic when they become unusable. A third (34%) of people worry that they will not be able to entertain themselves if they cannot access a connected device. 12% are even concerned that they won’t be able to pretend to be busy if their device is out of action.

Dmitry Aleshin, VP for Product Marketing, Kaspersky Lab said, “The reliance on connected devices is impacting us in more ways than we could have ever expected. There is no doubt that being connected gives us the freedom to make modern life easier, but devices are also vital to help people get through different and difficult social situations. No matter what your ‘connection crutch’ is, it is essential to make sure your device is online and available when you need it most.”

To ensure your device lifeline is always there and in top health – no matter what the reason or situation – Kaspersky Security Cloud keeps your connection safe and secure:

·         I want to use my device while waiting for a friend – is it secure to access the bar’s Wi-Fi?

With Kaspersky Security Cloud, devices are protected against network threats, even if the user needs to use insecure public Wi-Fi hotspots. This is done through transferring data via an encrypted channel to ensure personal data safety, so users’ devices are protected on any connection.

·         Oh no! I’m bored but my phone’s battery is getting low – what am I going to do?

Users can track their battery level thanks to a countdown of how many minutes are left until their device shuts down in the Kaspersky Security Cloud interface. There is also a wide-range of portable power supplies available to keep device batteries charged while on-the-go.

·         I’ve lost my phone! How will I keep myself entertained now?

Should the unthinkable happen and you lose or have your phone stolen, Kaspersky Security Cloud can track and protect your device from data breaches, for complete peace of mind. Remote lock and locate features ensure your device remains secure until you are reunited.

 

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