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Microsoft warns that the powerful XCSSET macOS malware is back with new tricks

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Microsoft said it has detected a new variant of XCSSET, a powerful macOS malware family that has targeted developers and users since at least 2020. The variant, which Microsoft reported Monday, marked the first publicly known update to the malware since 2022. The malware first came to light in …

What is device code phishing, and why are Russian spies so successful at it?

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Researchers have uncovered a sustained and ongoing campaign by Russian spies that uses a clever phishing technique to hijack Microsoft 365 accounts belonging to a wide range of targets, researchers warned. The technique is known as device code phishing. It exploits “device code flow,” a form of authentication formalized …

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