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ExpressVote XL, Philly's first new voting machines since 2002. Photo: Matt Rourke/AP

The majority of 10,000 election jurisdictions nationwide use Windows 7 or an older operating system for voting or tallying — archaic systems vulnerable to hackers, AP reports.

Why it matters: Private vendors, and state finances, determine the security level of election systems, which lack federal requirements or oversight.

What they're saying: J. Alex Halderman, a University of Michigan professor and election security expert, said the country risks repeating "mistakes that we made over the last ... decade-and-a-half when states bought voting machines but didn't keep the software up-to-date."

What's next: Windows 7 reaches its "end of life" Jan. 14, meaning Microsoft stops technical support and patches, although security updates will be provided for a fee through 2023.

  • AP's 50-state survey found that battleground states using Windows 7 include Pennsylvania, Wisconsin, Florida, Iowa, Indiana, Arizona and North Carolina.

Go deeper

43 mins ago - Politics & Policy

Biden's latest executive order: Buy American

President Joe R. Biden speaks about the economy before signing executive orders in the State Dining Room at the White House on Friday, Jan 22, 2021 in Washington, DC. (Photo by Jabin Botsford/The Washington Post via Getty Images)

President Joe Biden will continue his flurry of executive orders on Monday, signing a new directive to require the federal government to “buy American” for products and services.

Why it matters: The executive action is yet another attempt by Biden to accomplish goals administratively without waiting for the backing of Congress. The new order echoes Biden's $400 billion campaign pledge to increase government purchases of American goods.

Tech digs in for long domestic terror fight

Illustration: Sarah Grillo/Axios

With domestic extremist networks scrambling to regroup online, experts fear the next attack could come from a radicalized individual — much harder than coordinated mass events for law enforcement and platforms to detect or deter.

The big picture: Companies like Facebook and Twitter stepped up enforcement and their conversations with law enforcement ahead of Inauguration Day. But they'll be tested as the threat rises that impatient lone-wolf attackers will lash out.

The pandemic could be worsening childhood obesity

Illustration: Aïda Amer/Axios

The 10-month long school closures and the coronavirus pandemic are expected to have a big impact on childhood obesity rates.

Why it matters: About one in five children are obese in the U.S. — an all-time high — with worsening obesity rates across income and racial and ethnic groups, data from the National Health and Nutrition Examination Survey show.