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  • Over the year, WhatsApp developers have not fixed the critical vulnerability


    Today WhatsApp has an audience of about 1.5 billion people around the world. Despite such an extensive user base, the developers still have not eliminated the vulnerability that allows you to intercept messages in personal and group correspondence.

    WhatsApp vulnerability

    At the Black Hat 2019 conference in Las Vegas, several options were demonstrated for exploiting the vulnerability with which hackers can:

    • Correct messages by modifying them so that the recipient does not suspect that the author of the text was not the sender.
    • Manage the citation function by referring to non-existent messages.
    • Create the appearance that the message is sent to a single recipient, while it can get the whole community or a group of users.

    About all these flaws programmers told WhatsApp developers in August last year. To date, only the last "hole" with group mailing has been eliminated, while the use of two other options for message manipulation is still relevant.

    In addition, using the web version of WhatsApp, hackers are able to decrypt any correspondence. The interception of the access keys occurs at the time of creating the QR code. While the user starts the camera from the menu of the mobile client, the hacker intercepts a pair of encryption keys and after a successful connection gets access to the correspondence in unencrypted form. With such an access interception, it becomes possible to use the vulnerabilities mentioned above.

    Facebook, which owns WhatsApp, previously commented that to fix such vulnerabilities can not "due to infrastructure restrictions" and the need to compromise between privacy and security. A solution may be a full desktop client, which is currently being worked on by the developers of the messenger.

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  • Similar Content

    • By Priyanka
      Today WhatsApp messenger turns ten years old. During this time, he managed to gain a billion users, gained worldwide popularity, finished off SMS and sold "Facebook" for insane money. And it was created by one American and three natives of the USSR: Ukrainian Jan Kum and Russians Alex Fishman and Igor Solomennikov.

      The birth of the messenger
      Jan grew up in the Kyiv region, in the family of a housewife and a foreman who led the construction of schools and hospitals. He spent his childhood during the restructuring, and the house did not have electricity or hot water. Those were difficult times, the political situation and anti-Semitic sentiments in the country forced the family to emigrate godfather in the 1990s. He came to the United States with his mother and settled in mountain view — the city's largest technology companies and minds.
      To survive, both went to work — Jan's mother got a job as a nanny, and he as a janitor in the store. In parallel, the godfather finished in school but has quickly earned a reputation as a bully and with peers almost did not communicate. The free time he spent in libraries, which lent books on the functioning of computer systems. Kum began programming at the age of 19 and soon got into the group of hackers w00w00.

      Jan Kum (far right) at DefCon hacker conference, 1999
      After high school, Ian went to the University of San Jose and got a job in the Department of information security Ernst & Young. In 1997, he met Brian Acton, a Yahoo employee. He offered Jan to analyze the advertising platform on the resource. Kum took over and managed. Six months later, he was enlisted in the state — of course, not without the protection of Acton. Soon before the Ukrainian got the first serious choice: to quit school for a career or try to combine? In those days, Yahoo servers sagged under load and required an intelligent engineer. So the answer was obvious-work is more important than the diploma.
      Soon in the hands of Jan got iPhone. He realized that the smartphone has great potential. In those years, the godfather was fond of Boxing, and the owners of the hall forbade the use of mobile phones. The future startup was annoyed that he missed important calls. Then the godfather thought: and not to create an application that shows its status? Let's say "busy," "free," or "in training." So people wouldn't call in vain. The name was born by itself: WhatsApp — "what's going on?".
      At that time, Ian often talked with the former Russian Alex Fishman — he arranged an evening of "pizza and cinema" for the local Russian community. At these parties, coom, and Fishman often discussed the idea of a new application. Once Alex brought Jan to the developer of mobile programs-Russian Igor Solomennikov. He had to help in programming-Ukrainian lacked skills in this matter.

      Alex Fischer and Jan Koum at Startup Grind Europe
      On February 24, 2009, Yang Kum established WhatsApp Inc in California. a month later, the first version of the app appeared in the App Store. However, it downloaded only hundreds of friends, which is Kum get-togethers with pizza excitedly talked about "up again I". The number of users did not grow — the startup thought that in vain hoped for himself, and already began to give up. Sharing his disappointment with Acton, he was about to look for work again, as He had given friendly advice — to wait for a little.
      On top
      When users change statuses, the program has sent a push notification to contacts from the phonebook. Americans liked the feature: they finally began to use the app to show updated statuses to each other. In a few months, WhatsApp was installed on 250,000 phones.
      At this point, Koum realized he'd inadvertently created a mobile messenger. In 2009, few people knew about this method of communication. Brian Acton also saw the incredible potential in WhatsApp and realized-you can make a full alternative to SMS and MMS.

      Brian Acton, WhatsApp co-founder
      Taking advantage of the situation, Koum released WhatsApp 2.0 with a messaging functionality. The user base grew, the guys came investors. The Duo rejected tempting offers: wanted to see the application without advertising and was afraid to make money — not to dance to someone else's tune. However, Jim Goetz of the Sequoia Capital venture Fund persuaded Kum and Acton to take eight million dollars, promising not to interfere in the management policy of the startup. It was in April 2011.
      Lifting the old ties with Yahoo, the partners found the "office" — a couple of rooms in a converted warehouse in San Jose, and they did not settle the Evernote service, ate the rest of the meters. Michael Donahue, one of the first developers of WhatsApp for BlackBerry, recalled how he explained the way: "Find the Evernote building. Go around it. Behind you will see a door without a sign. Knock."
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      The first few years the founders worked for free-there was no income. As well as special expenses: basically the budget went to sending SMS with a confirmation code at registration. Services like Click-a-Tell asked for two cents for sending one message in the United States, and the Middle East has already cost 64 cents.

      By the beginning of 2010, the startup learned to earn, but the amounts were modest — five thousand dollars a month. Ian and Brian took their time experimenting with monetization. We wanted to understand how the audience is interested in a particular function of the application.
      How conquered the world
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      WhatsApp abolished these barriers and suggested that, on average tariffs. And screwed a bunch of cool services: from group chat to sharing tracks and videos. Besides, it was easy to use the program. It is now all used to that for registration in the service is enough phone number. Previously, passwords, email, and personal data were required.

      Therefore, the brainchild of the godfather and Acton's ousted from BlackBerry BBM and Apple's iMessage — these alternative SMS Purcell only on native systems. Startups at an early stage realized that you can not miss a huge database of smartphones connected to the Internet. They immediately developed WhatsApp so that It functions on different platforms and phones — even the oldest.
      The rapid growth of WhatsApp has attracted the attention of Facebook. In February 2014, the company was purchased for an insane $19 billion to gain access to 500 million users. Soon there were more than a billion customers. Analysts then wondered: what made Zuckerberg pay so much money for an ordinary messenger? In the end, we realized it was a"move forward". Firstly, WhatsApp will not become a competitor to Facebook, and secondly, it will not outbid Google. Mark said that "the purchase of the century":
      Startupers widely celebrated the deal with Zuckerberg. That day Igor Solomennikov — the one who met Jan at the Russian party-posted on Instagram a photo with two boxes of expensive champagne. A few days later, the team of WhatsApp has exploded in Barcelona at MWC, where the godfather celebrated the merger of their 38 anniversary.
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    • OPPO Reno 3 review: Quad camera and lots of memory

      Last year's OPPO Reno 2 smartphone was remembered for its almost flagship characteristics. In the new generation, the emphasis has shifted - the role of the top-end device has been assigned to the Reno 3 Pro, and the standard “three” has become a mid-budget phone. However, Reno 3 received a powerful quad camera, high-quality screen, and a large amount of memory. We find out how good the new product is.

      Four rear modules and a 44-megapixel front-facing camera
      The main camera of Reno 3 received four modules, as in the top-end device of the series - Reno 3 Pro. However, there are some functions missing, such as interpolation up to 108 MP. All the blocks are arranged in a line on an islet that protrudes noticeably upwards if you wear the gadget without a cover.
      The main module has a 1/2-inch sensor with a resolution of 48 MP and a lens with an aperture of f/1.8. As usual, in standard mode, it produces 12-megapixel images, and if desired, you can take photos in full resolution - 48 MP. Telephoto is based on a 13-megapixel sensor and a lens with an f/2.4 aperture. The ultra-wide Angle is equipped with an 8-megapixel sensor and a lens with an f/2.2 aperture. Finally, the 2 MP sensor is designed to assess the depth of the scene.

      Telephoto, in addition to 2x optical zoom, provides a 5x hybrid zoom. The photo app allows you to quickly switch between four shooting modes: ultra-wide angle, 1x, 2x, and 5x.
      All modules can function together with HDR. This option works perfectly in Auto mode, improving both the light and dark tones of contrasting scenes. Artificial intelligence confidently recognizes the scenes being shot and selects settings.
      However, in non-standard lighting conditions, if you choose wide-angle optics, the color rendering will not always be accurate. This does not happen with the main module and the telephoto lens.

      The main module paired with the auxiliary module gives clear portraits and realistic blurs the background
      Reno 3 shoots well in mixed and artificial lighting, as well as in the absence of light in the dark. In the most problematic cases, the Night program helps out. It combines several shots and works out all the tones of contrasting scenes. For shooting with manual settings, an Expert preset is provided.
      Multi-megapixel selfies
      The front camera is built into the display and is located in the middle of its upper edge, in the "drop". The camera is equipped with a 44-megapixel sensor and a wide-angle f/2.4 aperture lens. The default settings are set to a 40-megapixel resolution of images. And the full one is selected by pressing a separate on-screen button. The image quality in both cases is approximately the same. Sharpness appears only from a distance of about 30 cm, that is, for example, it is impossible to obtain a macro photograph of your eye. It seems that the calculation was made for shooting with outstretched hands or a selfie stick. For self-portraits, there are traditionally many beauty options: smoothing the skin, correcting the shape of the face and nose, eye size, and so on.

      Selfies in 44MP mode
      The smartphone records 4K videos at 30 fps. The supported format is Full HD with 30 and 60 fps, as well as slow-motion clips in HD and Full HD. During movie shooting, you can freely switch the zoom.
      In 4K mode at 30 frames per second, the gadget produces a picture with the correct color reproduction and high definition. But when working with hands, stabilization is noticeably lacking.
      Shooting in Full HD at 60 fps uses Ultra Steady Video 2.0 stabilization, which makes the picture smoother.
      Work and entertainment without lags
      Reno 3 is built on an eight-core MediaTek Helio P90 chipset. The new product in AnTuTu gives out figures comparable to the results of Kirin 970 and Snapdragon 712, and slightly ahead of Snapdragon 710. And in the Geekbench 5 rating - is on par with Snapdragon 845. This speed is sufficient to avoid slowdowns in any applications.
      8 GB of RAM allows you to run multiple programs simultaneously. The built-in fingerprint sensor acts quickly and accurately. There are no performance problems in games. In the popular WoT: Blitz with default graphics settings, the frame rate is confidently kept at 60 fps.

      The device has only one main speaker, which produces clear sound without distortion up to about 90% of the volume. Plus, there is support for Dolby Atmos. In this software add-on, you can add surround sound and a bit of bass - a great option for multimedia applications.
      Unfortunately, you will not be able to create a full stereo pair, because the speaker is quieter than the main one. But in Reno3 Pro two speakers shake as if you are holding a good Bluetooth speaker in your hands. Complete in-ear headphones deliver high-quality sound. Thanks to the audio jack, you can connect your favorite accessory.

      The built-in storage is not too large: 128 GB. But it is easy to increase it by using a microSD memory card. It is placed in a triple slot next to two nano-SIM cards. We had a 512 GB test card at hand - it worked without problems.
      High autonomy
      The gadget is powered by a 4025 mAh battery and supports VOOC 3.0 fast charging technology. A 20 W adapter and a complete cable during the test provided recharging at high speed. For example, from 33 to 78%, the battery was charged in 13 minutes, and up to 100% in 27.
      An hour-long shootout in WoT: Blitz (display brightness - 50%) consumes 11 percent of the battery. That is, without going to the outlet, it is about 9 hours of offline gaming. In Flight-mode, with the same brightness, about 4.4% of the battery charge is spent per hour playing the video in Full HD. Therefore, you should expect 22 hours of offline video viewing. Excellent results!

      If long-term autonomy is not so important, you can disable power consumption optimization in the settings and select "High performance". In this case, the device will work a little faster, and the battery consumption will be stronger.
      Great screen
      Reno 3 is equipped with an AMOLED panel with a diagonal of 6.4 inches, a resolution of FHD+ (2400x1080 pixels), and an aspect ratio of 20:9. The display occupies 90.8% of the front panel area, has a teardrop-shaped cutout for the front and thin frames. The image is clear, with rich but natural colors. The viewing angles are large, and the brightness reserve is sufficient for using the phone on the street in any weather. With minimal screen light, it is comfortable to read in a dark room. And at night, you can switch to "Dark mode" - in fact, this is an inverse version of the design: with a black display and a white font. Many people will find it even more convenient, and it also saves battery life.
      Branded shell of the seventh version
      Reno 3 is running a proprietary ColorOS 7 shell based on Android 10. When comparing with the previous version, you can see that the font has not changed, but many icons have been redrawn. However, their shape and size can be easily changed at your own discretion. The screen can be converted to a split format - just make a three-finger swipe up.
      Specifications of OPPO Reno 3
      DISPLAY: 6.4 ", FHD + (2400x1080), 20: 9
      CHIPSET: CPU MediaTek Helio P90 (MT6779V), 2.2 GHz, GPU PowerVR GM 9446
      RAM: 8 GB
      STORAGE: 128 GB
      MAIN CAMERA: main - 48 megapixels (f/1.8) + 13 megapixels (telephoto) + 8 megapixels (wide-angle) + 2 megapixels (scene depth sensor);
      FRONT CAMERA: - 44 megapixels with f/2.4 aperture
      BATTERY: 4025 mAh
      FEATURES: a sub-screen fingerprint sensor, an NFC module, an audio output, support for microSD cards up to 256 GB (without SIM replacement), a proprietary shell ColorOS 7, three body colors: black, white and blue.
      Test results
      ANTUTU: 223,438
      GEEKBENCH: 5 428 single-core, 1568 multi-core
      AUTONOMY: about 22 hours of video playback

      The OPPO Reno 3 is an interesting device with balanced characteristics. From the first minutes, the beautiful design, slim body, and high-quality 6.4-inch screen make you happy. Later on - high performance, fast recharging, and good battery life. The advantages include the photo-filling, including a 44-megapixel front camera. In addition, the built-in drive can be expanded with a memory card, but not to the detriment of the second SIM card - a trifle, but nice.

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