Tech executives revealed that a historic cybersecurity breach that affected about 100 US companies and nine federal agencies was larger and more sophisticated than previously known.
The revelations came during a hearing of the US Senate’s select committee on intelligence on Tuesday on last year’s hack of SolarWinds, a Texas-based software company. Using SolarWinds and Microsoft programs, hackers believed to be working for Russia were able to infiltrate the companies and government agencies. Servers run by Amazon were also used in the cyber-attack, but that company declined to send representatives to the hearing.
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After Russian Cyberattack, Looking for Answers and Debating Retaliation
Key senators and corporate executives warned at a hearing on Tuesday that the “scope and scale” of the hacking of government agencies and companies, the most sophisticated in history, were still unclear.