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2020 State of Encrypted Attacks

2020 State of Encrypted Attacks

Published by: Research Desk Released: Dec 29, 2020

The Zscaler threat research team analyzed 6.6 billion threats hidden inside encrypted traffic for a closer look into evolving attack techniques.

Without proper inspection, encryption can be a vulnerability. ThreatLabZ, Zscaler’s global research team, analyzed billions of encrypted threats delivered over SSL/TLS channels in 2020.

Read the detailed report to learn how encrypted threats have become more sophisticated this past year, including:

  • Explosive growth in volume: 260% increase in SSL-based threats in the last nine months
  • Increasing abuse of cloud-based file-sharing services: Over 30% of all SSL-based attacks spoofed collaboration services such as Google Drive, OneDrive, AWS, and Dropbox
  • Hidden ransomware on the rise: More than 500% increase in ransomware delivered over encrypted web traffic between March and September of 2020
  • Best practices for preventing encrypted threats with SSL inspection at scale: Security and data protection systems that can’t inspect 100% of traffic put enterprises at risk.