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The SEC seal outside of its headquarters in Washington, D.C. Photo: Saul Loeb/AFP via Getty Images

The Securities and Exchange Commission is probing whether some U.S. companies failed to disclose that they had been a victim of the massive SolarWinds breach by Russian hackers, according to Reuters.

Why it matters: U.S. securities law requires companies to disclose information, like a cyberattack, that could impact their share prices.

  • The SEC sent letters last week to a small number of public issuers and investment firms asking for voluntary information on whether they had been victims of the hack and failed to disclose it, according to Reuters.
  • It also sought information on whether public companies that had been attacked had experienced a lapse of internal controls.

While the extent of the SolarWinds breach is still unclear, it's known that hackers compromised networks tied to the Treasury, Defense, Commerce and State departments and several U.S. companies.

  • The undefined nature of the breach is largely because it's unknown how long it went undetected or even how it started.

The big picture: Despite U.S. sanctions in response to the breach, the Russian hackers responsible for SolarWinds have launched new waves of cyber campaigns.

  • Last month, Microsoft disclosed that it detected a hacking campaign from the group targeting cyberattacks targeting government agencies, think tanks, consultants, and NGOs.

Go deeper: New SEC chairman is changing the regulator's approach

Go deeper

Sep 24, 2021 - World

EU warns Russia not to allow cyberattacks ahead of German elections

Russia's Foreign Minister Sergei Lavrov (L) and European Union High Representative for Foreign Affairs and Security Policy Josep Borrell. Photo: Russian Foreign Ministry\TASS via Getty Images

The European Union warned Russia in a statement on Friday not to allow hackers to attack databases or spread disinformation as Germany holds its parliamentary elections this weekend.

Why it matters: German security officials said there was a cyberattack at the Federal Statistical Office, the office which oversees the German election, per the Associated Press. Russian cyberattacks targeted the 2020 U.S. Presidential election last year, and tried to sow distrust in U.S. election results, according to the Department of Homeland Security.

Everyone wants to be an influencer

Illustration: Aïda Amer/Axios

The number of people looking to become online influencers has exploded during the pandemic.

Why it matters: Almost anyone can find themselves in a position to become an influencer, and brands are throwing billions of dollars at online content creators.

At least 3 dead after Amtrak train derails in Montana

Photo: Jacob Cordeiro/Twitter

An Amtrak train derailed near Joplin, Montana, resulting in at least three deaths and multiple injuries to passengers and crew on Saturday, per authorities and a company statement.

The big picture: 141 passengers and 16 crew members were estimated to be on the Empire Builder train, traveling from Chicago to Seattle and Portland, when eight of the 10 cars derailed about 4p.m., Amtrak said early Sunday.