Samsung has introduced a new Message Guard security feature for its Galaxy range of smartphones and tablets that can better protect users against “zero-click” cyberattacks disguised as image attachments in messages. Zero-click attacks — which install spyware and other malicious code onto devices without any interaction from the owner — have become increasingly common over the last few years.

One of the most notable examples of zero-click attacks was discovered by Citizen Lab in 2020, after a known iOS / iMessage zero-click security flaw was exploited to install NSO’s Pegasus spyware onto the phones of journalists, politicians, and activists between 2017 and 2020.

Zero-click attacks often leave little trace and victims may be completely…

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