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Illustration: Aïda Amer/Axios

A 22-year-old United Kingdom citizen was arrested Wednesday for multiple charges in connection with the July 2020 Twitter hack that took over 130 Twitter accounts, including those belonging to Joe Biden, Barack Obama and Elon Musk.

Driving the news: Joseph O’Connor was arrested in Spain on three counts of conspiracy to intentionally access a computer without authorization; two counts of obtaining information from a protecting computer; two counts of cyber stalking; and one count of conspiracy to access a computer with the intent to extort from a person a thing of value, among other charges.

  • O'Connor, a well-known figure among hackers known as "PlugWalkJoe," is also charged with computer hacks related to takeovers of TikTok and Snapchat user accounts and cyber stalking a juvenile victim, per the Department of Justice.

Flashback: On July 15, 2020, hackers took over the accounts of Joe Biden, Barack Obama, Elon Musk, Bill Gates, Mike Bloomberg, Warren Buffett and other notable figures to push a cryptocurrency scam.

  • The accounts of high-profile individuals and corporations were compromised within a short period of time, allowing the posting of a message luring people to deposit bitcoin in a specific account, Axios' Ina Fried reports.

What to watch: If O'Connor is convicted, a federal district court judge will determine the sentence after considering the U.S. Sentencing Guidelines and other statutory factors.

Go deeper: Twitter's big hack bares broad dangers

Go deeper

Sep 28, 2021 - Axios Des Moines

Des Moines computer vision technology company raises $20M

Roboflow's computer vision technology can help alert people to raccoons in their yards. Photo courtesy of Roboflow

A Des Moines company bringing machine learning — and most notably the sense of sight— to computer software raised $20 million this month.

  • San Francisco-based venture capital firm, Craft Ventures, led Roboflow's Series A funding.

What they do: Roboflow's technology allows users to "train" computer programs to recognize and identify information, which can help software teams can create better image collections.

Why it matters: Computer vision has the potential to transform multiple industries.

  • Pill recognition in pharmaceutical manufacturing, weed and disease detection in agriculture and even raccoon detection in yards are among its current uses.

What's next: The company has 11 employees and recently posted job openings for nine more, co-founder Brad Dwyer told us.

  • Upcoming work will make software development a more collaborative process so businesses can easily create specialized computer systems, he said.
10 mins ago - Technology

3D printing's next act: big metal objects

Chief Scientist Andy Bayramian makes modifications to the laser system on Seurat's 3D metal printer. Photo courtesy of Seurat Technologies.

A new metal 3D printing technology could revolutionize the way large industrial products like planes and cars are made, reducing the cost and carbon footprint of mass manufacturing.

Why it matters: 3D printing — also called additive manufacturing — has been used since the 1980s to make small plastic parts and prototypes. Metal printing is newer, and the challenge has been figuring out how to make things like large car parts faster and cheaper than traditional methods.

Rising rates may hammer the stock market

Illustration: Sarah Grillo / Axios

Stocks are much more vulnerable to interest rate swings than they used to be.

Why it matters: A sharp rise in rates in early 2022 is the key reason the stock market is off to an ugly start. And with the Federal Reserve making noise about trying to keep inflation in check, rates could go higher.