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Illustration: Lazaro Gamio/Axios

The new cybersecurity strategy unveiled last month by the Department of Defense emphasizes agility, strength, and the ability to disrupt cyberattacks by hacking the attackers. In the coming months, we'll start to learn whether that makes the U.S. more secure, the world more chaotic, or both.

The big picture: The new strategy undoes Obama-era rules that required intra-agency discussions before cyber interventions and lowers the threshold for what warrants a response from U.S. hackers.

Proponents of the strategy believe that the United States needs to raise the cost for foreign hackers to strike American targets, and the current toolkit lacks a military option less extreme than war. In part, the idea is to show U.S. cyber power in an attempt to bolster security.

The risks:

  • Responding to cyberattacks can escalate conflicts. Nations may feel like they have to respond to a challenge or may interpret what the U.S. considers a defensive move as part of a larger attack.
  • For the U.S. to respond to attacks nimbly, it will have to develop footholds in enemy networks in advance, and that risks exposure.

Sign up for my bi-weekly cybersecurity newsletter Axios Codebookhere.

Go deeper

Updated 4 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."

4 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.