The most obvious change this year is to the overall design. And that means it’s still the best laptop in its category – by a distance. It may not make as big a statement as the original M1 MacBook Air in its day, but it is a better laptop (with one caveat) across the board. M2 Apple MacBook Air (2022) review: What you need to knowĭoes this mean the M2 MacBook Air is a bad laptop? Absolutely not. After its predecessor was received with such universal acclaim when it first launched, it was perhaps inevitable the M2 wouldn’t be welcomed with such enthusiasm. Concerns over performance have been expressed about Apple’s latest lightweight laptop, particularly at the base model’s SSD, as well as the significant rise in price.
What has perhaps been surprising is that not all the coverage has been positive.
That’s not particularly noteworthy: the follow-up to what has been the best laptop in recent memory – the M1 MacBook Air ( £949) – was bound to attract more than its fair share. The simulation results indicate that this countermeasure is capable to mitigate the mentioned attack at the same time that it performs a satisfactory plant control.The redesigned M2 MacBook Air has had hundreds of thousands of words dedicated to it in recent weeks across a multitude of reviews and news stories.
This novel countermeasure aims to hinder the identification of the controller, so that the model obtained by the attacker is imprecise or ambiguous, in such a way that the attacker hesitates to launch covert or model-dependent attacks against the NCS. In this sense, this work proposes the use of a randomly switching controller as a countermeasure for the Passive System Identification attack, in case of failure of other conventional security mechanisms – such as encryption, network segmentation and firewall policies. However, the scientific literature does not report countermeasures to mitigate the identification process performed by such passive metaheuristic-based attack. In this context, the literature on NCS presents the Passive System Identification attack as a metaheuristic-based tool to provide the attacker with the required system models. The literature regarding attacks in Networked Control Systems (NCS) indicates that covert and accurate attacks must be designed based on an accurate knowledge about the model of the attacked system.
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