Photo: Diptendu Dutta / AFP/ via Getty Images

Twitter advised that all users change their passwords Thursday after the social media site discovered it had stored them in a log in plain text rather than encrypted form.

According to a blog post from the company, there is no evidence that passwords were misused or stolen, and the advisory is out of caution. The announcement, at roughly 4 p.m. Eastern time, came just as the market closed. Twitter stock immediately dropped 2.5% in after hours trading, then recovered most of the loss.

What they're saying: "We are very sorry this happened. We recognize and appreciate the trust you place in us, and are committed to earning that trust every day," wrote Parag Agrawal in the Twitter blog.

Why it matters (to users): The best practice in the industry is to keep all personal information in a format that cannot be read by hackers or employees. That minimizes the impact in the case of an insider breach.

Why it matters (to Twitter): Following the Facebook scandals, trust in social media sites is at a low. Minimizing any potential risk is not just good ethics, it's also good business.

Go deeper

Updated 31 mins ago - Politics & Policy

Coronavirus dashboard

Illustration: Aïda Amer/Axios

  1. Global: Total confirmed cases as of 3 p.m. ET: 33,217,895 — Total deaths: 999,273 — Total recoveries: 22,975,269Map.
  2. U.S.: Total confirmed cases as of 3 p.m. ET: 7,128,774 — Total deaths: 204,881 — Total recoveries: 2,766,280 — Total tests: 101,298,794Map.
  3. States: Cuomo extends New York moratorium on evictions until 2021.
  4. Business: Companies are still holding back earnings guidance.
  5. Health: The childless vaccine — Why kids get less severe coronavirus infections.
  6. World: India the second country after U.S. to hit 6 million cases.
32 mins ago - Podcasts

Digging into Trump's taxes

President Trump paid no federal income tax in 10 of the past 15 years, and just $750 in 2016 and 2017, according to a new report from the New York Times. He also is reported to have hundreds of millions of dollars in outstanding debts, most of which would come due during a second term.

Axios Re:Cap focuses on what is and isn't surprising about the revelations, plus how real estate developers are taxed, with Francine McKenna, an independent financial journalist and certified public accountant.

Pennsylvania GOP asks Supreme Court to halt mail-in ballot extension

Applications for mail-in ballots in Reading, Pennsylvania. Photo: Ben Hasty/MediaNews Group/Reading Eagle via Getty Images

Republicans in Pennsylvania on Monday asked the U.S. Supreme Court to halt a major state court ruling that extended the deadlines for mail-in ballots to several days after the election, The Morning Call reports.

Why it matters: It's the first election-related test for the Supreme Court since the death of Justice Ruth Bader Ginsburg, and could decide the fate of thousands of ballots in a crucial swing state that President Trump won in 2016. What the court decides could signal how it would deal with similar election-related litigation in other states.

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