Cybersecurity responders are working around the clock to shore up networks hit by last week's hack of Microsoft's Exchange email service — an attack that has impacted hundreds of thousands of ...

Microsoft said today that security vulnerabilities found to impact a web server discontinued since 2005 have been used to target and compromise organizations in the energy sector. As cybersecurity ...

GlobalSign expects to bring its certificate-issuing systems back online on Monday, and resume business Tuesday, it said over the weekend. The U.S. certificate authority (CA) stopped issuing new SSL ...