Software
The three most common types of malware on Linux
The absence of viruses in Linux is a myth. Given the low presence of this operating system on computers, in relation to other alternatives that are widely used, this type of attack tends to focus on the most widely used software. That is why these cases are less common and, therefore, less known by users who are not specialized in the subject.
Given the deployment of new solutions linked to the Internet of things in homes, the arrival of these devices, in the case of using Linux as the base operating system, has activated a wave of malware aimed at these IoT devices. A recent study listed and described the most common viruses in this category.
In the context of IoT devices, Linux is the most commonly implemented system. Based on this indicator, the deployment of malware oriented to this technology has grown. Specifically, during 2021 malware aimed at these devices increased by 35%, according to figures shared by cybersecurity firm CrowdStrike.
XorDDoS, Mirai, and Mozi are the most prevalent Linux-based malware families observed in 2021. Among those, Mozi saw a significant tenfold growth in the number of samples identified in 2021, compared to the previous year.
These three types of malware have as a common strategy the accumulation of compromised devices in botnets, to use them during distributed denial of service (DDoS) attacks.
Malware targeting Linux IoT devices
XordDoS is a Linux Trojan compiled for multiple Linux architectures, ranging from ARM to x86 and x64. This malware uses SSH brute force attacks to gain remote control of vulnerable devices. The report indicates that the number of samples of this virus has increased by almost 123% compared to 2020.
look is a malware that has gained notoriety in recent times, especially after the publication of its source code by its developer. This virus takes advantage of weak protocols and weak passwords, such as Telnet, to compromise devices using brute force attacks. It is an old and common malware, but with numerous variants.
Mozi is a botnet network that infects systems via brute force SSH and Telnet ports, via a decentralized (P2P) network. It then blocks those ports from being overwritten by other malicious actors or malware. This is the fastest growing virus on the list, registering 10 times more cases compared to the previous year.
According to CrowdStrike, the three main malware families identified represent 22% of all Linux-based IoT malware in 2021.
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Computers
Windows 12 will be released in September-October 2024, but its capabilities will be limited on many computers
The next big Windows 11 update is called Hudson Valley. It is so big that it will be released as Windows 12. Windows 11 “grew” from Windows 10 in approximately the same way, so there is nothing surprising.
Windows 12 will be released in the second half of 2024, according to Windows Central. At the same time, the RTM version will appear quite early – already in April, but the OS will be finalized only by August. And as a major over-the-air update to the current Windows 11, Windows 12 will be released in September or October 2024.
In Windows 12, the emphasis will be on AI: artificial intelligence will be “woven and integrated” throughout the operating system, and its work will require new hardware with an NPU – a neural processor, the purpose of which is to accelerate AI tasks. The only problem is that the NPU appeared only in the latest generations of Intel and AMD processors. Accordingly, on a PC with these processors, all system functions will work entirely, but on computers with conventional processors, without an NPU, the AI functions will be either limited or will not work at all.
At the beginning of the week, One UI 6.0 firmware based on Android 14 was released for the Galaxy S21 FE version for the North American market, and now a similar version of the software has been released for the European Galaxy S21 FE.
Update number G990B2XXU5FWK3, is already being distributed in Europe (particularly in Germany). The software is 2.4 GB in size and includes the November Android security updates.
Let’s remember that the Galaxy S21 FE came out in January 2022 with Android 12 out of the box. Android 14 is not the last for it – Samsung promises to release Android 15 for this model.
Software
The company of the former owner of Twitter launched Bitkey – a hardware wallet for bitcoins
The Block company of entrepreneur Jack Dorsey, co-founder and former head of the social network Twitter (now X), announced the launch of a hardware crypto wallet called Bitkey for storing Bitcoin. Bitkey is shaped like a black hexagon and is complemented by a mobile app and a set of tools for recovering private keys in case you lose your wallet, smartphone, or both devices. According to the creators, Bitcoin is a safe and easy way for people with varying levels of Bitcoin experience to take control of their finances, gain peace of mind and independence from any one organization.
Bitkey works based on a 2 of 3 multi-signature system: the client is given two keys – one of them is in the mobile application, and the second is stored offline in the hardware device. Through the application, you can make Bitcoin transactions from your smartphone, track your balance and manage security settings. The hardware key serves two main purposes: an additional layer of security for co-signing money transfers (based on the limit set by the client) and data recovery if the phone is lost.
The third key resides on the Bitkey server and is used for only two purposes: moving bitcoins for smartphone-only transactions (no hardware device) and recovering the wallet in case you lose your phone, hardware device, or both. Since Bitkey only has access to one key, and not two or three at once, an organization cannot access a client’s funds without the client’s knowledge. Bitkey is currently available for pre-order in 95 countries for $150, with deliveries expected to start in early 2024.
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