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Energy Secretary Jennifer Granholm told CNN's "State of the Union" Sunday that U.S. adversaries have the capability to shut down the power grid, saying they are "trying even as we speak."

Why it matters: Granholm's warning comes as the public and private sectors are dealing with how to confront cyber threats after recent ransomware attacks on Colonial Pipeline, a major U.S. fuel pipeline, and JBS USA, a top meat supplier.

  • "It's [happening] all the time. This is why the private and public sector have to work together," Granholm said.

The big picture: Ransomware has recently become a "global pandemic" thanks to the rise of a profitable industry around it, writes Axios' Scott Rosenberg.

What they're saying: "The first thing we have to recognize is this is the reality, and we should assume — and businesses should assume, that these attacks are here to stay and if anything intensify," Commerce Secretary Gina Raimondo told ABC's "This Week".

  • "It is clear that the private sector needs to be more vigilant," she added.
  • Asked if the Biden administration should take a more aggressive response to governments aiding these attacks, Raimondo said, "We're not taking anything off the table as we think about possible repercussions, consequences or retaliation."

Go deeper: Ransomware business achieves critical mass

Go deeper

Senate sergeant-at-arms: Cyber attack against Congress "keeps me up at night"

Karen Gibson, Senate sergeant-at-arms, speaking during a Senate subcommittee hearing during April 2021. Photo: Greg Nash/The Hill/Bloomberg via Getty Images

Senate Sergeant-at-Arms Karen Gibson told CNN she fears a cyber attack against Congress more than violence at the Capitol similar to the Jan. 6 insurrection.

Why it matters: Gibson said Friday that hackers attempt intrusions into Congress' computer networks "every single day" and that a state-backed cyber unit could cripple the government's ability to function by compromising communications networks.

Federal judge blocks Biden's vaccine mandate for federal workers

President Biden speaking from Eisenhower Executive Office Building on Jan. 21. Photo: Yuri Gripas/Abaca/Bloomberg via Getty Images

A federal judge in Texas blocked the Biden administration from enforcing its coronavirus vaccine mandate for federal workers on Friday, citing the outcome of last week's Supreme Court ruling that nullified the administration's vaccine-or-test requirement for large employers.

Why it matters: It's a blow to President Biden's efforts to increase the U.S.' vaccination rates, though much of the federal workforce has already been vaccinated against the virus.

Updated 3 hours ago - Politics & Policy

Omicron dashboard

Illustration: Brendan Lynch/Axios

  1. Health: Pfizer and Moderna boosters overwhelmingly prevent Omicron hospitalizations, CDC finds — Omicron pushes COVID deaths toward 2,000 per day — The pandemic-proof health care giant.
  2. Vaccines: The case for Operation Warp Speed 2.0 — Starbucks drops worker vaccine or test requirement after SCOTUS ruling — Kids' COVID vaccination rates are particularly low in rural America.
  3. Politics: Biden concedes U.S. should have done more testing — Arizona says it "will not be intimidated" by Biden on anti-mask school policies.
  4. World: American Airlines flight to London forced to turn around over mask dispute — WHO: COVID health emergency could end this year — Greece imposes vaccine mandate for people 60 and older — Austria approves COVID vaccine mandate for adults.
  5. Variant tracker