Mac ThiefQuest malware may not be ransomware after all

We discovered a new Mac malware, ThiefQuest, that appeared to be ransomware at first glance. However, once we dug in deeper, we found out its true identity—and intention.

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New Mac ransomware spreading through piracy

We analyze a new Mac ransomware that appears to encrypt user files with a bit of a time delay.

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New Mac variant of Lazarus Dacls RAT distributed via Trojanized 2FA app

The Lazarus group improves their toolset with a new RAT specifically designed for the Mac.

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iOS Mail bug allows remote zero-click attacks

A newly-discovered vulnerability in iOS Mail can be used to attack an iPhone remotely using a malicious e-mail message, even if you’re running the latest version of iOS (13.4.1).

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Mac adware is more sophisticated and dangerous than traditional Mac malware

Adware and PUPs can actually be far more invasive and dangerous on the Mac than “real” malware. We demonstrate with analysis of Crossrider, a sophisticated Mac adware that uses evasion and persistence techniques more complex than nation-state malware.

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Mac threat detections on the rise in 2019

For the first time ever, Mac threats broke into Malwarebytes’ top five overall detections of 2019. Take a look at this and other telemetry that shows Mac malware is certainly on the rise.

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New iOS exploit checkm8 allows permanent compromise of iPhones

A new exploit for iOS enables attackers to gain permanent access to iPhones, iPads, Apple Watches, and more—with zero potential for patching. Learn why this is possibly the biggest security news for iOS since its inception.

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A week in security (July 8 – 14)

A roundup of cybersecurity news from July 8–14, including secure data sending, federal data privacy law, the Soft Cell attack, and more.

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New Mac cryptominer Malwarebytes detects as Bird Miner runs by emulating Linux

A new Mac cryptominer we call Bird Miner was found on pirated music production software that interestingly runs via Linux. Learn how this unique malware attempts, and ultimately fails, at stealth techniques.

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How does macOS protect against malware?

Mac users often are told that “Macs don’t get viruses.” This is not really true, of course. Macs can and do get infected. However, it is true that macOS provides some basic protection against malware. This protection can be quite effective in some ways, but, unfortunately, quite ineffective in others. Let’s take a look at…

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