Previously unknown “zero-day” software vulnerabilities are mysterious and intriguing as a concept. But they’re even more noteworthy when hackers are spotted actively exploiting the novel software ...

China-backed hackers are exploiting an unpatched Microsoft Office zero-day vulnerability, known as “Follina”, to execute malicious code remotely on Windows systems. The high-severity vulnerability — ...

Microsoft says Chinese state-backed hackers are exploiting a “critical”-rated zero-day vulnerability in Atlassian software to break into customer systems. The technology giant’s threat intelligence ...