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Friday Squid Blogging: Giant Squid vs. Blue Whale

ID: 90be48a7-7fb1-55f6-b5d3-b16b5208272f

STIX ID: report--90be48a7-7fb1-55f6-b5d3-b16b5208272f

Feed Name: Schneier on Security

Date Published: 2025-09-19

Date Updated: 2026-04-19

Author: Bruce Schneier

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The document critiques QR codes as inherently insecure due to their machine-focused design and potential for covert channels (e.g., leveraging grayscale and error correction), arguing they are less secure than human-readable URLs; it advocates human-in-the-loop transaction authentication and cautions against misinterpreting growth-rate statistics when assessing evolving misuse.

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