Edge-Delivered Cryptographic Upgrades
Content delivery networks and hosting platforms switch on new encryption algorithms by default at their edge, upgrading the transport security of millions of dependent sites and services without any action by their operators — while leaving origin, API and internal traffic on the old schemes.
Developed mainly in: France and United StatesImpacting: North America, Europe, India and Rest of Asia
F5 Labs measured post-quantum key exchange support across the top one million websites: 54% overall, but only 22% once Cloudflare-hosted domains are excluded, showing CDN defaults account for most progress. A separate KPMG survey found just 27% of CISOs are actively rolling out post-quantum cryptography internally, leaving APIs, internal servers and service-to-service traffic unprotected.
This is one of 24 signals scored in our latest scan.
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First flagged
12 October 2026 · score 5.0/10
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5
Latest signals
Tracked from 2 signals, each traced to its source.
- Audit finds two-thirds of large European websites accept hybrid post-quantum TLS
Cryptagion · 13 Oct 2026
- Research finds web post-quantum encryption gains driven mainly by CDN defaults
Cipherinsider · 12 Oct 2026
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