SOC tiers are the way a security operations center (SOC) divides the work of its analysts. Tier 1 reviews each alert and decides whether it is real; Tier 2 investigates confirmed cases and contains them; Tier 3 hunts for threats the rules missed and improves detection. Each tier escalates to the next one whatever it cannot resolve on its own.
Go deeper on the TecnetBlog: What Is a SOC and When to Hire It as a Service?
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