SSL/TLS-based malware attacks
ID: f1f03943-d6f8-5800-bb1f-3a67e54c804c
STIX ID: report--f1f03943-d6f8-5800-bb1f-3a67e54c804c
Feed Name: Zscaler Security Research Blog
Threat Score
Zscaler's brief describes a rising trend of threat actors using SSL/TLS (HTTPS) to hide malicious activity—including exploit kits, malware/adware, phishing pages, and C2 callbacks—reporting large volumes (hundreds of thousands of encrypted incidents blocked daily) and highlighting that encrypted traffic enables evasion of many perimeter defenses while complicating detection and mitigation.
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