Last month, Google-owned cybersecurity firm Mandiant said suspected state-backed Chinese hackers broke into the networks of hundreds of public and private sector organizations globally by using a security hole in a popular email security tool.
China-based hackers have breached government and individual email accounts, Microsoft says
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Mandiant said the majority impact in the Americas may partially reflect the geography of Barracuda's customer base.
Security firm: Chinese hackers broke into email security appliance in spying campaign
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