Author: Yuri Gagarin

7 open-source tools for monitoring cloud security systems you should know about

The widespread adoption of cloud computing helps companies scale their businesses. However, using new platforms also brings new threats. Supporting an internal team responsible for monitoring the security of cloud services is no easy task. Existing monitoring tools are expensive and slow. They can be difficult to manage when ensuring the security of large-scale cloud infrastructure. Companies […]

Data storage patterns in Kubernetes

Hello, Habr! We remind you that we have released yet another extremely interesting and useful book on Kubernetes patterns. It all started with Brendan Burns' "Patterns," and our work in this segment is still going strong. Today, we invite you to read a blog post from MinIO that briefly outlines the trends and specifics of data storage patterns in Kubernetes. Kubernetes is fundamentally […]

How We Enhance the Quality and Speed of Recommendation Tailoring

My name is Pavel Parkhomenko, and I am an ML developer. In this article, I would like to discuss how the Yandex.Zen service operates and share the technical improvements that have enhanced the quality of recommendations. From this post, you will learn how to find the most relevant documents for users in just a few milliseconds among millions; how to perform continuous decomposition of a large matrix (composed of millions of columns and […]

Let's Encrypt has surpassed the milestone of one billion certificates

The nonprofit certificate authority Let’s Encrypt, community-driven and providing certificates free of charge to anyone, has announced it has reached the milestone of one billion generated certificates, which is ten times more than recorded three years ago. Daily, 1.2 to 1.5 million new certificates are generated. The number of active certificates is 116 million (each certificate is valid for three months) and covers approximately 195 million domains (annual […]

11. Fortinet Getting Started v6.0. Licensing

Greetings! Welcome to the eleventh and final lesson of the Fortinet Getting Started course. In the last lesson, we covered the key points related to device administration. Now, to conclude the course, I want to introduce you to the licensing scheme for FortiGate and FortiAnalyzer products, which often raises quite a few questions. As usual, the lesson will be presented in two formats — in […]

10. Fortinet Getting Started v6.0. Support

Greetings! Welcome to the tenth anniversary lesson of the Fortinet Getting Started course. In the last lesson, we explored the main mechanisms for logging and reporting, as well as got acquainted with the FortiAnalyzer solution. As a conclusion to the practical lessons of this course, I want to introduce you to various technologies that may be useful for administering the FortiGate firewall. The necessary theory as well as practical parts […]

The Android-x86 project has released a build of Android 9 for the x86 platform.

The developers of the Android-x86 project, which is developed by an independent community working on the port of the Android platform for the x86 architecture, have published the first stable release of the build based on Android 9 (android-9.0.0_r53). The build includes fixes and enhancements that improve the operation of Android on the x86 architecture. Universal Live builds of Android-x86 9 are prepared for x86 32-bit (706 MB) and x86_64 […]

Vulnerability in Cypress and Broadcom Wi-Fi chips allows for decrypting traffic.

Researchers from Eset revealed at the ongoing RSA 2020 conference details about a vulnerability (CVE-2019-15126) in Cypress and Broadcom wireless chips that allows for decrypting intercepted Wi-Fi traffic secured using the WPA2 protocol. The vulnerability has been given the codename Kr00k. The issue affects FullMAC chips (Wi-Fi stack implemented on the chip side rather than the driver), used in a wide range of […]

New rules for issuing SSL certificates for the .onion domain have been adopted.

The voting on the SC27v3 amendment to the Basic Requirements, according to which certification authorities issue SSL certificates, has concluded. As a result, the amendment allowing the issuance of DV or OV certificates for .onion domain names for Tor hidden services under certain conditions has been adopted. Previously, only the issuance of EV certificates was permitted due to insufficient cryptographic strength of the algorithms related to the domain names of hidden services. After the amendment comes into effect, […]

IBM developerWorks Connections is shutting down

Affected are Wiki, forums, blogs, activities, and files hosted on this platform. Save important information. Content removal is scheduled for March 31, 2020. The stated reason is the desire to reduce the number of overlapping portals for customer interaction and simplify the user experience with IBM's digital side. An alternative for hosting new content is suggested […]

How competitors can easily block your website

Recently, we faced a situation where several antivirus programs (Kaspersky, Quttera, McAfee, Norton Safe Web, Bitdefender, and several lesser-known ones) began blocking our site. Investigating the situation led me to understand that getting on a blocklist is extremely easy, requiring just a few complaints (even without justification). I will describe the issue in more detail below. The problem is quite serious, as right now almost all […]

Streaming Columnar Data with Apache Arrow

The article's translation is specially prepared for students of the 'Data Engineer' course. In the past few weeks, we, along with Nong Li, have added a binary streaming format to Apache Arrow, complementing the existing random access / IPC file format. We have implementations in Java and C++, as well as Python bindings. In this article, I will explain how the format works and show how to achieve […]

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