The massive cyber attack that hit government agencies and Microsoft, explained: CNBC After Hours

CNBC.com's MacKenzie Sigalos brings you the day's top business news headlines. On today's show, CNBC's Eamon Javers walks through the suspected Russian cyber attack that breached the networks of federal agencies and major corporations. Plus, CNBC.com's Lauren Feiner breaks down the flurry of antitrust litigation facing Google.