Wi-Fi security is still a live network-security issue, especially in environments with legacy devices, shared credentials, contractor access, or long refresh cycles. WPA2 has been dependable for years, but it should no longer be treated as a default-safe answer without review.
For a deeper technical read, CWNP's white paper Revisiting WPA2: Understanding Its Security Gaps and Evaluating the Move to WPA3 is a strong reference: read it here.
Why WPA2 still deserves attention
WPA2 was a major step forward, but the industry now has a much clearer understanding of its limitations. Captured handshakes can support offline password attacks, weak shared credentials remain a problem, and older implementations may still be carrying patch or device-support gaps.
What WPA3 improves
WPA3 improves the baseline with stronger password-based authentication, better resistance to captured handshake abuse, and stronger management-frame protection. For most teams, the simple takeaway is that WPA3 is the better long-term target, even if migration needs to happen in stages.
What to review in practice
- Audit client compatibility before changing security modes.
- Use stronger authentication and passphrase practices on any WPA2 networks that remain.
- Align NAC, onboarding, and segmentation to the real device mix.
- Validate the live environment after refresh, remediation, or security changes.
Final thought
WPA2 is still common, but it should not be treated as “done and safe” by default. WPA3 is the stronger direction of travel, and the quality of the migration matters just as much as the standard name itself.