For 6 years, Samsung smartphones have suffered from a critical security bug. It is important to update your devices immediately.
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Samsung has released a security update for its popular Android smartphones that includes a critical fix for the vulnerability that affects all devices sold by the manufacturer since 2014.

 

https://www.tripwire.com/state-of-security/security-data-protection/six-years-samsung-smartphone-users-risk-critical-security-bug-patch-now/