Security News This Week: Hero Chatbot Lawyer Overturns 160,000 Parking Tickets

It was a week marked by some innovative hacks in the security world. After a slew of hi-profile Twitter account takeovers, we talked to OurMine, the group responsible. Researchers found a way to glean data from an air-gapped laptop by modulating the fan. And we took a look at why two-factor authentication using text messages doesn't add as much protection as you think. Symantec turns out to be riddled with vulnerabilities, as is often the case with antivirus software.