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Colonial Pipeline fuel tanks in Woodbine, Maryland, in May 2021. Photo: Drew Angerer/Getty Images

The Department of Homeland Security on Tuesday announced new security regulations for pipeline operators in an effort to bolster their defenses against cyberattacks.

Why it matters: The latest order comes in response to the ransomware operation against Colonial Pipeline in May, which crippled the United States' fuel supply and set off gas shortages across several states.

What they're saying: "The lives and livelihoods of the American people depend on our collective ability to protect our Nation’s critical infrastructure from evolving threats," DHS Secretary Alejandro Mayorkas said.

  • "Through this Security Directive, DHS can better ensure the pipeline sector takes the steps necessary to safeguard their operations from rising cyber threats, and better protect our national and economic security."

The big picture: DHS ordered pipeline operators to "implement specific mitigation measures" to protect against cyberattacks and develop contingency and recovery plans to use if they are targeted and breached.

  • Shortly after Colonial Pipeline was breached, DHS ordered pipeline operators in an initial directive to immediately report to the Transportation Security Administration and the Cybersecurity and Infrastructure Security Agency if they are targeted by a cyberattack and to hire a cyber official.

Go deeper: State Department offers $10 million in rewards for cyber crime information

Go deeper

DHS issues guidance limiting immigration arrests in "protected areas"

Photo: Anna Moneymaker/Getty Images

The Department of Homeland Security on Wednesday announced new guidelines limiting arrests by immigration authorities at domestic violence shelters, disaster relief sites and other "protected areas."

Why it matters: The new guidelines are part of a broader shift in approach on immigration policy under the Biden administration.

Biden administration appoints GOP election chief to key security role

Sorted vote-by-mail ballots at the King County elections office in Renton, Wash., on Nov. 3, 2020. Photo: Jason Redmond/AFP via Getty Images

Washington Secretary of State Kim Wyman was appointed on Tuesday to lead election security for the Cybersecurity and Infrastructure Security Agency (CISA), the agency announced.

Why it matters: Wyman — who is the sole elected Republican state official and currently serving her third term — challenged former President Trump's claims of election fraud.

7 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.