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W3C has granted WebAssembly the status of a recommended standard

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The W3C consortium has announced that WebAssembly technology has been given recommended standard status. WebAssembly provides a browser-independent universal low-level intermediate code for executing applications compiled from various programming languages. WebAssembly is positioned as a more promising and portable technology for creating high-performance web applications across browsers. WebAssembly can be used for tasks that require high performance, such as video encoding and audio processing, […]

SCADA on Raspberry: myth or reality?

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Winter Is Coming. Programmable Logic Controllers (PLCs) are gradually being replaced by embedded personal computers. This is due to the fact that the computing power allows a single device to encompass the functions of a programmable controller, server, and (if the device has an HDMI output) an automated workstation for the operator. In total: a web server, OPC component, database, and automated workstation in a single case, and […]

The Truth About Train Brakes: Part 4 — Passenger-Type Braking Devices

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Next time you find yourself at the station, take a moment to focus on the inscription right in the middle at the bottom of the train car that will take you away on another long-awaited vacation. This inscription is not there by chance; it tells us the mysterious, conditional number of the brake air distributor that is installed on this car. The inscription is visible even if the train is stopped […]

Review of ONYX BOOX Max 3: A Reader with the Largest Screen

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Table of Contents 1. Technical Specifications 2. Hardware and Software 3. Reading Books and Documents 4. Additional Features 5. Autonomy 6. Conclusions and Summaries What is the most important for e-books (readers) with production-technical application? Perhaps, the processor power, memory size, screen resolution? All of this is certainly important; but the most crucial factor is the physical screen size: the larger it is […]

Multiple vulnerabilities in OpenBSD

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Experts from Qualys Labs discovered several security issues related to the possibility of fooling the programs responsible for password verification mechanisms used in BSD (similar to PAM). The trick lies in passing the username "-schallenge" or "-schallenge:passwd", which is then interpreted not as a username but as an option. After that, the system accepts any password. Vulnerable, i.e., ultimately allowing unauthorized access, […]

Release of the Elementary OS 5.1 "Hera" distribution

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The release of the Elementary OS 5.1 "Hera" distribution has been announced, positioned as a fast, open, and privacy-respecting alternative to Windows and macOS. The project focuses on quality design aimed at creating a user-friendly system that consumes minimal resources while providing high boot speed. Users are offered the custom Pantheon desktop environment. Bootable ISO images (1.47 GB) are prepared for download, […]

An attack on HackerOne that allowed access to confidential vulnerability reports

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The HackerOne platform, which enables security researchers to inform developers about detected vulnerabilities and receive rewards for them, has reported an incident of its own hacking. One of the researchers was able to access the account of a security analyst at HackerOne, who had the ability to view confidential materials, including information about vulnerabilities that have not yet been resolved. Since the platform's inception, […]

Vulnerabilities in OpenBSD that allow privilege escalation and authentication bypass in smtpd, ldapd, and radiusd

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Qualys identified four vulnerabilities in OpenBSD, one of which allows remote access without authentication to certain network services, while the other three enable privilege escalation. The report notes the quick response of OpenBSD developers — all issues were addressed in OpenBSD 6.5 and OpenBSD 6.6 within 40 hours after private notification. The remotely exploitable […]

How attackers can read your messages in Telegram. And how to prevent this

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At the end of 2019, several Russian entrepreneurs approached the cybercrime investigation department of Group-IB with a problem regarding unauthorized access by unknown individuals to their messages in the Telegram messenger. Incidents occurred on iOS and Android devices, regardless of which federal mobile operator the affected person was using. The attack started with a message arriving in the Telegram messenger […]

High Load Architect. A new course from OTUS

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Attention! This article is not technical and is intended for readers looking for Best Practices in High Load and fault tolerance for web applications. Likely, if you are not interested in learning, this material will not be of interest to you. Imagine a situation: you've launched a promotion with discounts for some online store, and like millions of others, you decided to buy something very important […]

The second beta version of the Vivaldi browser for Android has been released.

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Hello everyone! Today, the second beta version of the Chromium-based mobile browser Vivaldi for the Android platform has been released. The list of main changes includes: Closing tabs with a swipe, Enabling scrolling on internal pages, Improved cell sorting, Drag-and-drop for the Speed Dial, Ability to create a new folder directly on the Speed Dial, Editing and deleting Speed Dial cells, Clearing the trash with one button, Option for permanent loading of the desktop […]

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