The scope of Iran-linked APT33 cyberattacks has been revealed. GandCrab criminals are using more sophisticated tactics. A new type of malware was using Slack to communicate. Chrome gets an important update. Huawei sues the US, and Germany sets tougher security rules for telecom companies. And people who invest in cryptocurrency often don't know what they're getting into. David Dufour from Webroot with his thoughts on RSA Conference. Guest is Asaf Cidon from Barracuda Networks on account takeover vulnerabilities.