Microsoft today issued security updates for more than 100 newly-discovered vulnerabilities in its Windows operating system and related software, including four flaws that are already being exploited. In addition, Apple recently released emergency updates to quash a pair of zero-day bugs in iOS. Apple last week shipped emergency updates …

Enlarge (credit: Getty Images) A critical zero-day vulnerability Google reported on Wednesday in its Chrome browser is opening the Internet to a new chapter of Groundhog Day. Like a critical zero-day Google disclosed on September 11, the new exploited vulnerability doesn’t affect just Chrome. Already, Mozilla has said …