{"request_id":"req_01M46AKEDG0KBB731MECV4EHYF","technology":{"canonical_id":"tech_000000000000009YBMQKM1V8P3","parent_canonical_id":"tech_000000000000009YBMQKJJYWFX","parent_id_zoho":"358446000000430589","name":"Firewall","slug":"firewall-358446000049595075","requires_context":true,"popularity":null,"description":"A firewall is a network security device that monitors and filters incoming and outgoing network traffic based on an organization's previously established security policies.","explanation":"At its most basic, a firewall is essentially the barrier that sits between a private internal network and the public Internet. Its purpose is to prevent unauthorized access to or from private networks. Firewalls can be hardware-based, software-based, or a combination of both. They are crucial components of network security, protecting networks from various threats including viruses, worms, and hackers. Firewalls also enable controlled access to network resources by enforcing security policies.","use_cases":[],"strengths":[],"limitations":[],"organizations":null,"certifications":null,"deployment_options":null,"lifecycle":"active","revision":3,"updated_at":"2026-09-13T18:42:33.146772Z","reviewed_at":"2026-09-13T18:42:33.146772Z","source_freshness_at":"0001-01-01T00:00:00Z","aliases":["fierwall","fire wall","firewal"],"category_ids":["cat_53WFXSBGABYK35E2EVRAES1AHP"],"domain_ids":["dom_1D2B1EQWZC9G38JXH4C7REEMPK"],"classification_kind":"technology","sources":null,"external_ids":[{"system":"beast","value":"358446000049595075"}],"provenance":"Published taxonomy release 2026.10.7"},"release_version":"2026.10.7"}