Proprietary Research From Tenable Calculates External Attack Surface of Brazils Largest Organizations

▤ Summary

The challenge of identifying and updating outdated technology One striking observation is that 100% of organizations had web-based assets that still support TLS 1.0 [a security protocol first defined in 1999 for establishing encrypted channels over computer networks] that was disabled by Microsoft in September [2022]. The vast array of internet-facing assets is supported by a complex cloud infrastructure built upon public services, further complicating each organization’s attack surface2 and making it more difficult to identify, monitor and protect. As Brazilian businesses continue to evolve, its imperative for security professionals to adopt an exposure management strategy to reduce their cyber risk. Organizations should proactively maintain a constant, in-depth understanding of their assets in order to identify and prioritize security risks before they are exploited." • In the context of this alert: • An asset is a domain name, subdomain, or IP addresses and/or combination thereof of a device connected to the Internet or internal network.

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$500M to $1B