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High-availability, the ability to provide high-uptime infrastructure, also has far-reaching implications for OPSEC practitioners. When an adversary wants to collect information such as physical location behind a hidden service, depending on their power they will use downtime as an indicator in order to progressively narrow the pool of potential service location until they can act decisively against the remaining suspects.
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High Availability and anonymity
The concept of high availability is omnipresent in centralized services. One expects their ISP to provide internet access, their email provider to give them 100% uptime whenever they want to send an email and so on.High-availability, the ability to provide high-uptime infrastructure, also has far-reaching implications for OPSEC practitioners. When an adversary wants to collect information such as physical location behind a hidden service, depending on their power they will use downtime as an indicator in order to progressively narrow the pool of potential service location until they can act decisively against the remaining suspects.
