Domain categorization
Efficient domain categorization is essential for managing internet traffic. Early in my career, I observed organizations grappling with content filtering using the blacklist/whitelist approach—an arduous task for IT personnel. Handling the vast number of domains, which is projected to reach nearly 600 million in 2024, along with numerous subdomains, becomes impractical for humans. AI surpasses human capabilities in identifying malicious domains.
Certain firewall vendors employ proprietary categorization engines, leverage cyber threat intelligence, or a combination of both. Although cyber threat intelligence is beyond the scope of this discussion, I’ll delve into the logic behind domain categorization.
Establishing trust on the internet parallels real-life dynamics. Like relying on references and common friends, web page popularity serves as a reference online. The PageRank algorithm aids machine learning systems in this regard. Google’...