Furthermore, decrypting and re-encrypting data requires technical prowess not everyone has, increases the attack surface, and also causes severe performance challenges,” Miles said.ĮVE works by extracting two primary types of data features from the initial packet of a network connection, according to a blog written by Blake Anderson, a software engineer in Cisco’s advanced security research group. “What our competitors are saying is ‘just decrypt everything.’ But we know in the real world, customers refrain from doing that due to data privacy concerns and to meet legal/compliance requirements. However, modern encryption protocols such as TLS 1.3 and QUIC make it even more difficult to gain visibility,” Miles said. “Typically, organizations would decrypt traffic at the firewall, analyze it, then re-encrypt it before allowing it into the network. When traffic is encrypted, organizations lose visibility, Miles said. The firewall administrator can block traffic based on the application the client is using, such as a malicious app or a shadow IT app,” Miles said.Īccording to the Google Transparency Report from June 2023, almost 95% of Internet traffic is encrypted. “With, we can tell what kind of client application is running inside, keeping your network from going dark.
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