The system, a five-year effort to address memory safety “at scale,” is the result of spyware developers making zero-click exploits that targeted a device’s memory.

The defect, which affects the company’s most popular devices, has been exploited in an “extremely sophisticated attack against specific targeted individuals,” Apple said.

The company released a host of security patches Monday, including ones that address two zero-day vulnerabilities.

The zero-day impacts Apple’s framework that manages audio and video playback.

Researchers can’t tell if the malware was used in a campaign, or North Korean operatives were caught before they could deploy it in the wild.

Apple's grappling with another flaw.

Researchers at Trend Micro say a newly discovered MacOS backdoor uses tactics previously associated with the group known as APT32 or OceanLotus.

One team used the calculator app in a macOS as an entrypoint into taking over an entire machine.

A fix for the FaceTime bug is expected to ship to all users within the next week.

"Patch early and often?" Not so much.