This timeline records significant cyber incidents since 2006. We focus on cyber attacks on government agencies, defense and high tech companies, or economic crimes with losses of more than a million dollars. The FBI, National Security Agency (NSA) and CISA announced that Chinese state-sponsored hackers targeted and breached major telecommunications companies and network service providers since at least 2020. A phishing campaign targeted U.S. organizations in military, software, supply chain, healthcare, and pharmaceutical sectors to compromise Microsoft Office 365 and Outlook accounts.”]
Source: https://www.csis.org/programs/strategic-technologies-program/significant-cyber-incidents