Let's Encrypt warns about a third of Android devices will from next year stumble over sites that use its certs

Expiration of cross-signed root certificates spells trouble for pre-7.1.1 kit... unless they're using Firefox

Let's Encrypt, a Certificate Authority (CA) that puts the "S" in "HTTPS" for about 220m domains, has issued a warning to users of older Android devices that their web surfing may get choppy next year....