The rise in the use of SSL has been swift and significant. According to estimates, nearly 90% of all internet traffic moves over encrypted channels. While this is a great thing for privacy, it presents a significant challenge to IT security. Bad actors know that SSL inspection is a challenge with traditional security controls, which is why they've embraced SSL as an infection transport.
ThreatLabZ, the Zscaler research team, has analyzed SSL traffic and threats over the last six months. The result is a report that shows just how prevalent SSL-based threats have become.