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Tesla Model S vehicles parked outside a car dealership in Shanghai. Photo: Johannes Eisele/AFP/Getty Images

Hackers can easily clone key fobs on Model S Teslas sold before June, according to researchers at KU Leuven university in Belgium.

The details: As the researchers outlined to Wired, the old key fobs used 40-bit encryption. "40-bit" describes the size of the cryptographic key used to secure the system. Each bit makes it exponentially more difficult to hack.

  • To prevent an attack, owners of older Teslas can either now set their cars to require a PIN before starting or replace their fobs with the souped-up new one.
  • 40 bits is not enough. The KU Leuven team reverse engineered Telsa's security system, and with the help of a few hundred dollars in technology, their technique can guess the key.

Be smart: If you have a Model S, set up a PIN or get a new fob.

Go deeper

Woman who allegedly stole laptop from Pelosi's office to sell to Russia is arrested

Photo: FBI

A woman accused of breaching the Capitol and planning to sell to Russia a laptop or hard drive she allegedly stole from Speaker Nancy Pelosi's office was arrested in Pennsylvania's Middle District Monday, the Department of Justice said.

Driving the news: Riley June Williams, 22, is charged with illegally entering the Capitol as well as violent entry and disorderly conduct. She has not been charged over the laptop allegation and the case remains under investigation, per the DOJ.

Biden will reverse Trump's attempt to lift COVID-related travel restrictions

Photo: Tasos Katopodis via Getty

The incoming Biden administration will reverse President Trump's last-minute order to lift COVID-19 related travel restrictions, Jen Psaki, the incoming White House press secretary, tweeted.

Why it matters: President Trump ordered entry bans lifted for travelers from the U.K., Ireland, Brazil and much of Europe to go into effect Jan. 26, but the Biden administration will "strengthen public health measures around international travel in order to further mitigate the spread of COVID-19," Jen Psaki said. Biden will be inaugurated on Wednesday, Jan. 20 and Trump will no longer be president by the time the order is set to go into effect.

Dominion sends cease and desist letter to My Pillow CEO Mike Lindell

Photo: Stephen Maturen/Getty Images

Dominion Voting Systems on Monday sent a cease and desist letter to My Pillow CEO Mike Lindell over his spread of misinformation related to the 2020 election.

Why it matters: Trump and several of his allies have pushed false conspiracy theories about the company, leading Dominion to take legal action. It's suing pro-Trump lawyer Sidney Powell for defamation and $1.3 billion in damages, and a Dominion employee has sued Trump himself, OANN and Newsmax.