The macOS Keychain attack, Signal’s new private contact discovery service, the Deloitte hack, and a handful of mobile stock trading app vulnerabilities are discussed.

Apple said that macOS’ native Gatekeeper security feature would protect against a Keychain attack disclosed this week, but researcher Patrick Wardle said that won’t help against Mac malware signed with an Apple certificate.

Researcher Patrick Wardle has discovered a critical vulnerability that allows an attacker to dump passwords in plaintext from the macOS Keychain. The vulnerability is in macOS High Sierra, Sierra and El Capitan, and has yet to be patched.

Apple released a number of patches, including a security update for iOS 11, which is available today.

Apple fixed hundreds of bugs, 223 to be exact, across macOS Sierra, iOS, Safari, watchOS, and tvOS on Monday.

Apple released updates across its product lines, including iOS 10.2.1, patching a number of critical code execution vulnerabilities in the kernel, libarchive and WebKit.

A vulnerability in iOS 8, 9, 10, and even the most recent beta version, 10.2 beta 3, could allow an attacker to access photos and contacts on a locked iPhone.

Apple fixed dozens of vulnerabilities in its software on Monday, including 60 vulnerabilities in its operating system, OS X, and 43 in its mobile operating system, iOS. The OS X update graduates the desktop and server operating system to OS X El Capitan v10.11.6 and applies to anyone running OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, or OS X...

Apple on Monday rolled out a series of patches for nearly all of its operating systems, OS X, iOS, its smart watch operating system, watchOS, and Apple TV’s tvOS, along with fixes for both iTunes and Safari. OS X received the lion’s share of the updates, 67 in total, bringing Apple’s operating system El Capitan to...

Apple has updated its Xcode development environment, patching two vulnerabilities in its implementation of git. Git is a version control system, and in March its handlers patched two flaws that exposed the software to remote code execution. The new version of Xcode, 7.3.1, is available for El Capitain v 10.11 and later. Apple said it...