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Security6 min readJan 22, 2026
Why Separate Online Personas Are No Longer Optional
Data brokers now cross-reference accounts in seconds. Here's why identity compartmentalization is essential for everyone.
MC
Marcus Chen
Jan 22, 2026
The average person has 100+ online accounts. Data brokers have become extraordinarily efficient at linking these accounts together, building comprehensive profiles that include your real name, address, employment history, and behavioral patterns.
Compartmentalization, keeping different aspects of your online life separate, is the only reliable defense. By using distinct personas with unique fingerprints, IP addresses, and email addresses, you make it mathematically infeasible for trackers to connect your activities.