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A MacBook Pro running High Sierra, the latest versions of MacOS. Photo: Apple

Apple is using its ability to automatically update Mac computers to fix a big security vulnerability that allowed hackers easy access to computers running the latest version of MacOS. It's only the second time Apple has made use of the ability to push down an update to all computers.

"Security is a top priority for every Apple product, and regrettably we stumbled with this release of macOS," Apple said in a statement.

Why it matters: The security hole was huge, but Apple moved quite quickly to patch things and forcing an automatic update ensures that machines won't remain vulnerable.

Apple said it began working on an update as soon as it became aware of the issue. The update was made available this morning and later today will be automatically installed on all machines.

"We greatly regret this error and we apologize to all Mac users, both for releasing with this vulnerability and for the concern it has caused," Apple said. "Our customers deserve better. We are auditing our development processes to help prevent this from happening again."

Go deeper

Momentum builds to ban lawmakers from trading stocks

Illustration: Sarah Grillo/Axios

Some progressive Democrats and MAGA Republicans are uniting on a proposal to ban sitting lawmakers from trading individual stocks, although it's unlikely that leadership will bring the bill up for a vote.

Why it matters: Members of Congress have great power to move stock prices, and great financial incentives to do so.

Thousands without power as "hazardous" winter storm lashes East Coast

Satellite imagery of the Northeastern U.S. taken by NOAA on Jan. 17. Photo: NOAA

A major winter storm was lashing much of the East Coast on Sunday, causing widespread power outages and disrupting travel over the holiday weekend.

The latest: The Weather Prediction Center said in a storm summary Monday that winter storm warnings are still in effect for portions of the Central Appalachians, Ohio Valley, interior Mid-Atlantic, and Northeast, while portions of the Central Appalachians and coastal New England are under high wind warnings.

Colleyville Rabbi credits survival to active-shooter training

Rabbi Charlie Cytron-Walker, one of the people taken hostage in a synagogue outside Fort Worth on Saturday, said in an interview with CBS Monday that he initially took in the man because he thought he needed shelter.

The big picture: Cytron-Walker said he spoke to the hostage taker, identified by the FBI as 44-year-old British national Malik Faisal Akram, for several minutes and made him tea before Akram took the rabbi and three other people hostage during Shabbat services for around 11 hours in Colleyville, Texas.