Category: Blog

All your analyzes are publicly available.

Hello again! I have found another open database with medical data for you. I’d like to remind you that recently I published three articles on this topic: the leak of personal data of patients and doctors from the online medical service DOC+, the vulnerability of the 'Doctor Nearby' service, and the data leak from ambulance stations. This time, an open server has become available […]

Internet for suburban homeowners. Achieving maximum speed in 4G networks. Part 2: Choosing an external antenna

Recently, I conducted a comparative test of LTE routers, and it was not surprising to find that the performance and sensitivity of their radio modules vary significantly. When I connected an antenna to the routers, the speed increased exponentially. This inspired me to conduct a comparative test of antennas that can not only provide connectivity in a private home but also ensure it's at least on par with […]

11. Check Point Getting Started R80.20. Threat Prevention Policy

Welcome to lesson 11! If you remember, in lesson 7 we mentioned that Check Point has three types of Security Policy. These are: Access Control; Threat Prevention; Desktop Security. We have already covered most of the blades from the Access Control policy, whose main task is to control traffic or content. The Firewall, Application Control, URL Filtering, and Content […]

Tesla Autopilot Featured in Adult Film: No One Was Hurt

It was only a matter of time before someone had sex in a car controlled by autopilot. Last week, Taylor Jackson, an adult film actress from Los Angeles, and her boyfriend may have been the first to embody this idea. They uploaded their video to Pornhub, where anyone could see how the couple performed various sexual acts in a moving […]

The AMD Zen 3 architecture will offer up to four threads per core.

Recently, the specifications of AMD Ryzen 3000 series Matisse 7 nm processors have been actively discussed, which will soon offer Zen 2 architecture. Existing engineering samples, according to unofficial sources, are said to provide up to 16 cores and frequencies exceeding 4.0 GHz, with mention of a twelve-core processor with a higher frequency limit. When the Matisse processor sample was first demonstrated by Lisa Su […]

The release of project DXVK 1.2 brings Direct3D 10/11 implementation over the Vulkan API.

The release of DXVK 1.2 has been published, providing an implementation of DXGI (DirectX Graphics Infrastructure), Direct3D 10, and Direct3D 11, which operates through call translation to the Vulkan API. To use DXVK, drivers supporting the Vulkan API are required, such as AMD RADV 18.3, AMDGPU PRO 18.50, NVIDIA 415.22, Intel ANV 19.0, and AMDVLK. DXVK can be used to run 3D applications and […]

The sysupgrade utility has been added to OpenBSD-CURRENT for automatic updates.

OpenBSD has added a sysupgrade utility designed for automatically upgrading the system to a new release or snapshot of the CURRENT branch. Sysupgrade downloads the necessary files for the update, verifies them using signify, copies bsd.rd (a special RAM disk that operates entirely in memory, used for installation, updating, and recovery of the system) to bsd.upgrade, and initiates a system reboot. The bootloader, upon detecting bsd.upgrade, begins […]

The U.S. has developed a high-precision 'ninja bomb' with blades instead of explosives to target terrorists.

The Wall Street Journal reported on a secret weapon developed in the U.S. aimed at eliminating terrorists without harming nearby civilians. According to WSJ sources, the new weapon has already proven its effectiveness in a number of operations in at least five countries. The R9X missile, also known as the 'ninja bomb' and 'flying Ginsu' (Ginsu is a brand of knives), is […]

Non fiction. What to read?

I want to share with you some of the non-fiction books I've read over the past few years. However, while compiling the list, an unexpected selection problem arose. The books, so to speak, are for a wide audience. They can be read quickly even by completely unprepared readers and can compete with fiction in terms of engaging storytelling. Books for more thoughtful reading, for which a bit of […] is needed for understanding.

Vulnerability in the Linux kernel network stack

A vulnerability (CVE-2019-11815) has been identified in the TCP-based RDS protocol handler (Reliable Datagram Socket, net/rds/tcp.c) that could lead to access to already freed memory space and denial of service (there is also a potential for exploitation to achieve code execution). The issue arises from a race condition that may occur during the execution of the rds_tcp_kill_sock function at the time of cleanup […]

How to Write a Cover Letter When Job Hunting in the USA: 7 Tips

For many years in the USA, it has been common practice to require candidates for various positions to provide not only a resume but also a cover letter. In recent years, the importance of this aspect has started to decline — as early as 2016, only about 30% of employers requested cover letters. This is easy to explain — HR specialists conducting initial screenings often have too much […]

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