Untrusted Root Certificate Popup in Chrome: Is My Computer Hacked?
An untrusted root certificate popup in Chrome is alarming, but rarely means malware. Here’s what causes it, how to inspect the certificate, and when to actually worry.
ssl-certificates
How SSL Certificates Work (And What to Do When They Expire)
Want to know how SSL certificates work without the marketing fluff? They prove a server’s identity using a chain of trust. Here is what changed in March 2026, and what to do when one expires.