iPhones with modified software could be vulnerable to a new, malicious worm that can allow remote access and control without the owner's knowledge or permission.

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The iPhone's first worm -- a playful, wallpaper-changing prank that only affects jailbroken phones -- could be a sign of more dangerous things to come.

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As hackers continue to exploit the iPhone platform to run unauthorized code, Apple is in the process of hiring a new security manager to help lock down its mobile operating system.

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While Snow Leopard makes a number of improvements to Apple's Mac OS X machines, for those who have kept Adobe Flash up to date, installing the new operating system will reportedly downgrade the software.

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Only days before the launch of Apple's upcoming operating system upgrade, Snow Leopard, numerous online reports have alleged that the final build includes an anti-malware feature.

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The act of deleting an e-mail within iPhone OS 3.0 isn't enough to destroy its contents, and Apple is reportedly aware of the flaw and could be working on a fix.

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While a variety of sources have published a story accusing the iPhone 3.0 software of broadcasting instant messages to random iPhones, in reality this exploit affects only users who have hacked their phone and made it vulnerable.

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Tipped off by a Mac OS X security expert, Apple is working to repair a serious security flaw in the iPhone’s operating system – one that could allow an attacker to track the phone’s location via GPS, eavesdrop on conversations via the microphone, or create a mobile bot net capable of unleashing denial of service attacks.

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Apple on Monday finally got around to patching a widely-publicized security flaw in the version of Java shipping with Mac OS X, which could leave a Mac open to attack while browsing the web.

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Leading anti-virus software producers Symantec and McAfee will face new competition in the lucrative market for fixing Windows when Microsoft launches its own free security service, dubbed Morro, sometime in the second half of 2009.

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The version of Java that Apple currently includes with Mac OS X contains a critical security vulnerability that has gone unrepaired for months and may put Mac OS X users at risk, Mac security software developer Intego said Wednesday.

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Apple has hired Ivan Krstic, the developer of the security architecture for the One Laptop Per Child project's XO system and subsequently a vocal critic of the failed OLPC program. Krstic is a prodigy security guru with anti-malware credentials.

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Another week has passed and another beta of Mac OS X 10.5.7 has fallen into the hands of Apple developers. Separately, Apple is also beta testing its second security update of the year for certain Mac OS X distributions.

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Apple has developed a new technique that would hide a biometric reader inside an iPhone or a Mac and let owners lock down their systems with fingerprints or even facial recognition -- all without ever having to break from their usual routine.

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Charlie Miller, the security expert who won both this and last year's CanSecWest Pwn2Own security contests by exploiting Macs running Safari, repeated in an interview that he'd recommend Macs to typical users as a safer alternative to Windows PCs.

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In a repeat performance of last year, security researcher Charlie Miller arrived at the CanSecWest conference this week with a prepared exploit to use in cracking Safari running on Mac OS X.

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Tens of thousands of users who've downloaded pirated versions of iWork '09 or Photoshop CS4 may have opened their Macs to remote attacks from malicious users.

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Apple just released the new QuickTime 7.6, which includes updates for encoding quality, reliability, compatibility, and security enhancements.

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In addition to the benefits detailed in previous articles in this series, the move to 64-bits in Mac OS X 10.6 Snow Leopard will enhance Apple's efforts to secure its operating system.

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Apple has removed a widely publicized support document from its website that encouraged Mac OS X users to install antivirus software, explaining that its operating system was designed with safeguards to protect against malicious attacks on its own.

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