These are good pieces on the alleged U.S. cyberattack against the Venezuelan power grid. It seems that for now the skepticism is warranted until we get more details and some independent confirmation from threat intelligence/infrastrucure researchers.
1) This Linkedin post by @msbrumfield
2) This blog post by @dangoodin
Why I’m withholding certainty that “precise” US cyber-op disrupted Venezuelan electricity
NYT says US hackers were able to turn off power and then quickly turn it back on.
Ars Technica (arstechnica.com)
3) And here's the New York Times piece that cites "U.S. officials briefed on the operation."
