Why is Firefox (and only Firefox) reporting that my connection is insecure on multiple sites?

After installing Firefox 54.0.1 on my work laptop, the first page I see warns me that “Your connection is not secure” when opening https://www.mozilla.org/.

“The owner of Firefox has configured their website improperly”

After browsing a… Continue reading Why is Firefox (and only Firefox) reporting that my connection is insecure on multiple sites?

What parts of an SSL Certificate can I share without revealing the Certificate Authority’s identity?

I want to share information and screenshots of my SSL certificate to help identify a potential security issue.

The potential security issue involves private company-owned computers which list my employer as the Certificate A… Continue reading What parts of an SSL Certificate can I share without revealing the Certificate Authority’s identity?

Should I be concerned about Wayback Machine trying to load scripts from unauthenticated sources?

I regularly use Wayback Machine to help find archived versions of webpages that have been taken down or are other otherwise unavailable.

While using the site, I noticed a peculiar warning in Google Chrome’s address bar.

F… Continue reading Should I be concerned about Wayback Machine trying to load scripts from unauthenticated sources?

How to reset account passwords after falling victim to password reuse?

I recently had one of my accounts compromised after falling victim to an online phishing scam. To make matters worse, while I’ve used unique passwords for any account created in the past few years, my 14 year-old self made th… Continue reading How to reset account passwords after falling victim to password reuse?