Phishing via employment-focused social media is on the rise. While performing incident response over the last few months, ProCircular encountered multiple incidents where LinkedIn was used in employee phishing attacks. Several news articles raised awareness of this phishing vector over the last year, and the trend continues with a new wave of attacks by sophisticated threat actors.
Everyone has (or should have) an anti-virus solution. It's probably barked at you once or twice for downloading a file from a sketchy website or opening a link from an email you didn't quite recognize. But how does your anti-virus know what programs are bad, and what programs are good?