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bhisawa via Flickr CC

Yahoo has provided the Senate commerce committee with new details about its security breaches over the past four years. Here's what you need to know:

The damning tidbit: The accounts involved in Yahoo's series of breaches in 2013 and 2014 were mostly the same ones.

Yahoo hired a risk management executive and is reportedly more engaged with law enforcement than was previously public; it is working with federal, state, and foreign government officials about the breaches. Recall that Yahoo only learned of its 2013 breach in 2016 when user data turned up online.

The specifics on its cyber security updates: Yahoo is growing its Advanced Persistent Threat team to better deal with state-sponsored attacks (which likely caused the 2016 breaches). The company also takes a "kill chain" approach to detect attacks, runs a vulnerability assessment team that attacks its own products (the "red team"), and has a "bug bounty program" that pays those external to Yahoo to inform it of bad code.

Plus, Yahoo will present its briefing to the Senate committee via a committee it formed internally just to investigate the breaches. The briefing is not yet scheduled.

Go deeper

Updated 2 hours ago - World

Mexican President López Obrador tests positive for coronavirus

Mexico's President Andrés Manuel López Obrador during a press conference at National Palace in Mexico City, Mexico, on Wednesday. Photo: Ismael Rosas/Eyepix Group/Barcroft Media via Getty Images

Mexican President Andrés Manuel López Obrador announced Sunday evening that he's tested positive for COVID-19.

Driving the news: López Obrador tweeted that he has mild symptoms and is receiving medical treatment. "As always, I am optimistic," he added. "We will all move forward."

2 hours ago - Politics & Policy

Sarah Huckabee Sanders to run for governor of Arkansas

Sarah Huckabee Sanders at FOX News' studios in New York City in 2019. Photo: Steven Ferdman/Getty Images

Former White House press secretary Sarah Huckabee Sanders will announce Monday that she's running for governor of Arkansas.

The big picture: Sanders was touted as a contender after it was announced she was leaving the Trump administration in June 2019. Then-President Trump tweeted he hoped she would run for governor, adding "she would be fantastic." Sanders is "seen as leader in the polls" in the Republican state, notes the Washington Post's Josh Dawsey, who first reported the news.

Coronavirus has inflamed global inequality

Illustration: Aïda Amer/Axios

History will likely remember the pandemic as the "first time since records began that inequality rose in virtually every country on earth at the same time." That's the verdict from Oxfam's inequality report covering the year 2020 — a terrible year that hit the poorest, hardest across the planet.

Why it matters: The world's poorest were already in a race against time, facing down an existential risk in the form of global climate change. The coronavirus pandemic could set global poverty reduction back as much as a full decade, according to the World Bank.