IT Services Circle

Oct 16, 2026 · Information Security

Why Your Bank PIN Is 6 Digits But Wi-Fi Needs 8: The Offline Cracking Difference

The article contrasts bank card PIN security — limited to three online attempts — with Wi-Fi's vulnerability to offline dictionary attacks due to WPA2's exposed four-way handshake, explaining why 8-character minimums are insufficient against modern GPU cracking and how WPA3 fixes this by enforcing online authentication.