White Paper © 2023 Zscaler, Inc. All rights reserved. Decoding Modern DNS Threats A modern and advanced approach to DNS security and performanceWhite Paper © 2023 Zscaler, Inc. All rights reserved. 2 Introduction Cyberattacks and breaches are often attributed to compromised credentials or misconfigurations. However, more than 70% of modern attacks involve Domain Name System (DNS) in the attack sequence. It’s no surprise because adversaries will deploy a number of tactics, techniques, and procedures (TTPs) to achieve their objectives. They exploit DNS in particular to initiate Command and Control (C2) communications or create malicious tunnels to exfiltrate data.© 2023 Zscaler, Inc. All rights reserved. White Paper 3 Attacks using DNS can take the form of spoofing, exfiltration,

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