We are under warning that macOS 27 is likely to remove support for AFP, and lately some additional requirements for connection to certain servers. This explains how these could affect you.
TLS
Encryption for iMessage has been switching to an improved method to resist quantum attacks. Tahoe and its sisters take the next step, and add quantum-secure encryption for Internet connections.
Unscramble what HTTPS, SSL, TLS, VPNs and Apple’s Private Relay do, and how they could be used to protect you.
What to do when your browser complains that a website you want to visit has a problem with its certificate security.
A detailed walk through the log shows Safari 15 checking Safe Browsing, phishing sites using ML, and performing trust evaluation of certificates.
Why do we keep having problems with security certificates when they’re just supposed to work? A look at what they do, and they work.
Did you think it was only old Mac OS X affected by the Let’s Encrypt certificate expiry problem? No, it’s Safari wherever you can use it. Here’s how to deal with it.
What are checksums, CRCs and hashes? What is required for a hash to be cryptographic, and how any of these affect your Mac? Some answers and explanations.
Additional info about how you can install and upgrade to High Sierra, its new Content Caching feature, how it changes firmware updates, changes to NVRAM, and more.
With new vulnerabilities to be disclosed in secure web (HTTPS) connections, could these be officially exploited in UK government snooping?
The Eclectic Light Company 