Apple has introduced its first Background Security Improvement (BSI) update. This new system offers lightweight security ...

The first Mac software was called System 1 and it was released on January 24, 1984, and there have been 30 major updates since. Apple rebranded to Mac OS with the release of mac OS 8 on July 26, 1997.

"Background Security Improvements" is Apple's new way of installing security updates.

For the almost 40 years that I’ve written about personal tech, I’ve given consistent advice to folks who ask whether and when they should upgrade their software — particularly device operating systems ...