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Acer L811 laser projector is equipped with an ultra short throw lens

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Acer has unveiled the L811 laser projector “unlocking new possibilities for home entertainment enthusiasts.” It supports HDR10 and 4K resolution. The ultra short throw lens is capable of producing an image of 120 inches diagonally from a distance of as little as 0.312 m. Keystone correction and each of the four projection angles are provided, making it easier to select a location for the projector. The brightness is declared equal to 3,000 lumens, the contrast is 2,000,000: 1. Acer LumiSense technology analyzes the video signal frame by frame and dynamically adjusts the brightness level to enhance picture quality.

The advantages of the projector include the presence of an application store that provides access to streaming services, social networks and other features. It is also possible to wirelessly stream content via Miracast from devices running Android or Windows, or via EShare using iOS or Android.

Acer L811 laser projector is equipped with an ultra short throw lens

At Full HD resolution, the frame rate reaches 240 Hz. In 3D Blu-Ray mode, 3D images can be output at 144Hz. The projector has a built-in pair of 10W loudspeakers. Acer EcoProjection technology reduces standby power consumption to extend laser life up to 30,000 hours. The projector is also capable of 24/7 operation. It is protected against dust (IP6X degree of protection), so it can be used even outdoors.

The Acer L811 projector will go on sale in November for $ 2,600.

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Security

Vulnerability in WinRAR allows code to run without the user’s knowledge

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To carry out an attack, you need to create a malicious Wi-Fi access point, hack a router, and spoof DNS.

Positive Technologies Igor Sak-Sakovsky discovered a dangerous vulnerability in the WinRAR file archiver. An issue identified as CVE-2021-35052 exists in the WinRAR web notifier, which is used to display trial period expiration messages. The vulnerability affects WinRAR versions prior to 6.02 beta 1.

To display a message about the expiration of the trial period, the web component redirects to HHPS: //notifier.win-rar.com/. The vulnerability allows a remote unauthorized person to intercept requests sent to them and thereby carry out a man-in-the-middle (MITM) attack, create a backdoor, and even remotely execute code.

As explained by the researcher, the vulnerability exists due to the use of the incorrectly configured webbrowser module by the web notifier component.

According to Sak-Sakovsky, in order to carry out an MITM attack through this vulnerability, an attacker needs to create a malicious Wi-Fi access point, hack a router and spoof DNS, or be on the same network with the victim.

An attacker can use an SMB server to execute code remotely, but there are restrictions on the black list of executable file extensions. So, when you run files with the bat, vbs, exe and msi extensions, a message about the malicious file will appear, suggesting possible actions with them. However, since WinRAR does not have an automatic update mechanism, and vulnerable versions are common, attackers can bypass the restrictions and hide the launch using old exploits for WinRAR or Microsoft Office.

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Security

Vodafone is suing the UK over a contract to develop a hacker-proof communication line

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The company considers it unfair that the contract was awarded to Fujitsu, although both bidders did not meet the requirements.

Mobile operator Vodafone filed in court against the UK government after losing a tender to develop a hacker-proof communications system, in which the Japanese company Fujitsu also took part.

Although both bidders were found to have failed to meet the government’s minimum requirements, Vodafone believes Fujitsu was unfairly awarded a £ 184m ($ 254m) contract to improve the communications system used by 532 British embassies and other agencies.

The Echo 2 project aims to provide secure communications for the UK Foreign and Commonwealth Office, employees and agents in over 170 countries.

According to the government, the current communications system operated by Vodafone is “outdated” and poses a risk to national security.

Vodafone went to court after Cable & Wireless, acquired by the operator in 2012, lost its long-term contract for the Echo 1.

“We do not believe that the procurement process was carried out correctly. The contracting authority itself admitted that the Fujitsu Solution was ‘not fit for purpose,’ said a Vodafone spokesman.

According to foreign ministry lawyers, Fujitsu’s proposal had problems with two requirements, but generally met the terms of the tender. Fujitsu representatives did not comment on the situation.

The trial in this case is scheduled for January 2022. The court allowed the UK government to enter into a “conditional contract” with Fujitsu. The details of the contract were not disclosed due to security concerns.

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Wearables

Smartwatches are under $ 100. LeTV Watch W6 presented

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LeEco has already presented the LeTV S1 smartphone as part of its return to the market, and now it has also shown a smart watch.

The LeTV Watch W6 model is offered at a price of $ 95, and is now available for $ 80 at all. At the same time, there is a good set of characteristics.

There is an AMOLED display with a diameter of 1.39 inches, there is protection against water (IP67), autonomy is two to three days with normal use and up to a week in standby mode.

The watch doesn’t seem to have an operating system, but there are dozens of watch faces, a heart rate sensor, a pulse oximeter function, sleep monitoring, and a workout tracking function (seven types of load). But there is no GPS module here.

The watch weighs 70 g and works with both Android and iOS.

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