Apple thwarts Safari-based ransomware scheme with iOS 10.3 update
Apple’s newly released update to its mobile operating system fixes a crucial software bug in the Safari web browser that previously allowed scammers to spam users with JavaScript pop-ups, according to mobile security company Lookout. An attacker could execute a ransomware-style attack in past versions of iOS by abusing the pop-up dialogs in Safari, thereby locking victims out from using their web browser until a payment is received. In this scenario, victims would be typically redirected to a malicious website, which is designed to appear like it belongs to a faux law enforcement agency, where a payment — in the form of iTunes gift cards — is demanded for a fake “fine.” iOS 10.3 protects against this attack by making Safari run “on a per-tab basis so that if one tab is misbehaving, the user can close it out and/or move to another one,” a blog post by Lookout researchers […]
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