Microsoft doc details dos and don’ts of Mac ransomware

as Enterprise adoption of Apple platforms accelerates, it’s important to note that Macs can and sometimes are vulnerable to ransomware. That’s why it’s good to be aware of security concerns and take precautions at the platform and application level.

knowledge is power

With that in mind, a comprehensive insight into Mac ransomware Recently published by Microsoft Can help explain these dangers. The impact of such an attack could be huge – ransomware already costs victims hundreds of billions every yearAnd no one is immune.

UK newspaper Guardian was killed by a Ransomware attack in December And continues to suffer. in America, emsisoft In 2022 alone, 1,981 schools, 290 hospitals, 105 local governments and 44 universities and colleges were hit by ransomware.

Microsoft’s in-depth report is clearly intended to support adoption of its own security offering, microsoft defenderBut it does offer valuable advice to any company looking to harden its Mac security.

anatomy of an attack

For example, it explains some of the ways ransomware tries to hide itself from detection by automated analysis systems and manual inspection. It’s useful to understand some of the methods that ignore such attacks (until it’s too late).

It also helps guide security’s first response if an attack occurs; In the case of some sophisticated attacks, it is not enough to simply identify an attack vector, because once inside the system, some will introduce second- and even third-line bugs in case of detection. .

That’s why sometimes emergency response teams perform detailed system and traffic audits before shutting down the system. They know that once the exploit is closed, attackers will stop attacking, making it harder to trace the rogue.

good habits matter most

In many ways, Microsoft’s advice can be viewed as relatively basic. As always, the most important piece of wisdom is to “only install apps from trusted sources, such as the software platform’s official app store.”

It is important to recognize that human error is the most pervasive way in which attacks occur, and all teams must understand the need to be cautious when installing software, even on individual partitions of their devices. You should not click on a link whose source you do not know. You Don’t install an app you can’t trust,

It’s simple stuff, but it has a huge impact.

Another tip: Use a browser that blocks malicious sites, phishing sites, and other sources of bad malware. Microsoft recommends Edge, but really the key component is to enable full security protection on your browser and act when you receive a warning while browsing online.

Enterprise Mac Management Defense

The company also recommends that enterprises use the many OS X management solutions that exist to secure remote systems against attack. You can use the MDM console to access privileged Mac system resources such as LaunchDaemons either launchagent folders, eg. Doing so helps reduce the more common weaknesses.

Another good reason to use enterprise management systems is that they can be employed to remotely install security and operating system updates as they emerge.

Installing software updates is an important step for Mac or any other platform security.

Apple has published several significant security updates in recent months and the speed with which it is doing so reflects significantly increased activity among threat actors at this time. That’s why Apple has put quick safety response In place for Mac, enabling the company to push immediate security updates to the Mac platform in the event of a security crisis.

Microsoft’s report should be of interest to anyone actively involved in IT administration or security protection. Its report analyzes how the four MAC ransomware families (keranger, filecoder, macrensam And evilquesta) Abusing the functionalities of the system to infect the machines.

The report describes how they install themselves, mask their existence, grow, and ensure their own persistence in the event of a system restart. It’s fascinating stuff Microsoft shared as a “technical reference that researchers can use to understand Mac threats and improve security.”

security, security, security

we can estimate a huge activity About security on Apple’s Mac and mobile platforms this year. is apple told us it’s taking it extremely seriouslypartly because we live in dangerously hostile times—the recent twitter hack Tells us that many parties are looking for loopholes at the moment. Apple Partners, with jumpproviding valuable Mac security and Apple itself Recently launched a new security portal Providing deep security insight.

In the meantime, you and your employees should be careful where you download apps from, avoid clicking on links you don’t recognize, and make sure full browser security features are enabled. You should also use strong passwords for the Mac and all of your services and use built-in features like “Protect Mail Activity” and iCloud Private Relay to help strengthen overall security and identity protection. and if you think you may be, or are likely to be, attacked, use lockdown mode,

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Copyright © 2023 IDG Communications, Inc.

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