Which massive cybersecurity breach led to the creation of the Cybersecurity and Infrastructure Security Agency (CISA) and prompted the most significant overhaul of federal IT security practices in a decade?

In recent years, government agencies have faced unprecedented challenges in safeguarding sensitive information from cyber threats. Major breaches have exposed vulnerabilities in national security infrastructure and prompted significant policy reforms. This poll tests your knowledge about one of the most consequential government cybersecurity incidents in U.S. history, which fundamentally changed how federal agencies approach data protection and security protocols.

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The 2015 Office of Personnel Management (OPM) breach that compromised 21.5 million personnel records of government employees and contractors
The 2017 WannaCry ransomware attack that targeted government healthcare systems
The 2018 Facebook-Cambridge Analytica scandal that exposed voter manipulation tactics
The 2020 SolarWinds supply chain attack that primarily targeted private sector infrastructure