Help Net Security newsletters: Daily and weekly news, cybersecurity jobs, open source projects, breaking news – subscribe here!

Please turn on your JavaScript for this page to function normally.
Apple
Apple is bringing harmful content checks to iCloud link sharing with potential account penalties

Apple will begin checking iCloud content shared using the “Anyone with the link” option for harmful material in iOS, iPadOS, macOS, and visionOS 27.3 or later. When sharing …

Trust Onion
Product showcase: Trust Onion uses rotating codewords to verify callers

Trust Onion is a free app that gives trusted groups three rotating codewords to check who they are communicating with. It also includes signed selfies, message checks, and …

door
Claude Code extension poisoned with persistent SSH backdoor

A tampered build of Anthropic’s Claude Code extension for VS Code-compatible editors planted an SSH backdoor on developers’ machines, researchers at macOS security firm …

Apple Intelligence
RemoveMacAI turns off Apple Intelligence on macOS 27 and deletes its models

A developer has released RemoveMacAI, a free command-line tool that turns off Apple Intelligence on macOS 27 and deletes about 12 GB of downloaded AI models. It requires a Mac …

Apple
Apple tightens macOS disk access as AI agents become more powerful

Apple plans to introduce additional controls for Full Disk Access in macOS, citing growing privacy risks as AI agents become more capable and autonomous. Users will need to …

Apple
Apple squashes zero-day bug exploited in “extremely sophisticated” attack (CVE-2026-86950)

Apple has shipped iOS and macOS security updates to fix an actively exploited zero-day vulnerability (CVE-2026-86950) in the operating systems’ Core Graphics framework. …

surveillance
Other users can watch your browsing and time your keystrokes through OS file notifications

Researchers at Graz University of Technology have used the file-notification systems in Windows, Linux, and macOS to spy on activity in other accounts. On Windows, a standard …

danger
MacSync info-stealing malware hides malicious commands in an iCloud calendar

A new MacSync variant targets Mac users with an infostealer and persistent backdoor designed to steal credentials, crypto wallet data, and files, according to Kaspersky. …

Parallels
Parallels Desktop flaw hands any local user root on a Mac (CVE-2026-90894)

A newly disclosed vulnerability in Parallels Desktop, tracked as CVE-2026-90894 and dubbed “ParaShells,” can allow any local user on a Mac to gain root privileges …

iOS 27
Apple parental controls in iOS 27 let kids ask before opening new websites

Apple has overhauled the child-safety tools that ship across iPhone, iPad, and Mac. One idea runs through the redesign. Give a child a device that does very little, then open …

danger
Fake OpenAI Codex download tricks macOS users into installing malware

A malware campaign using a sponsored search ad and a fake OpenAI Codex download page to trick macOS users into pasting a malicious command into Terminal has been uncovered by …

OpenAI
ChatGPT’s new feature could give infostealers a map of your Mac activity

OpenAI’s new Computer History feature turns recent Mac computer activity into memories ChatGPT and Codex can use, and it’s raising questions about privacy and …

Don't miss

Cybersecurity news
Daily newsletter sent Monday-Friday
Weekly newsletter sent on Mondays
Editor's choice newsletter sent twice a month
Periodical newsletter released for important security events and breaking news
Weekly newsletter listing new cybersecurity job positions
Monthly newsletter focusing on open source cybersecurity tools