Suddenly unable to log in to my Treasury Direct account.

Am using my iMac which runs on macOS Ventura 13.78.

When I try to get on the website/log on I get the message "unable to establish a secure connection".

Any suggestions for resolving this issue?

Posted on Sep 22, 2025 2:19 PM

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Posted on Sep 22, 2025 4:59 PM

"Unable to establish a secure connection" means Safari considers that website's security credentials outdated or invalid. Whereas Safari requires strict adherence to security certificates, other non-Apple browsers may be more tolerant of that deficiency.


Try Brave or Firefox. If they also object, there is a significant likelihood the URL you are attempting to access is incorrect, possibly malicious, and should be avoided. I don't know what "my Treasury Direct" may be.

20 replies

Oct 20, 2025 5:41 PM in response to donkaye9148

I like how ChatGPT explains how a site failing a certificate check can be spoofed by a different site with a failing certificate, which is just hilariously confused. Not the least of which is because a site spoofing the one being sought can itself have a completely valid certificate, and it probably will have a valid certificate.


GPTs increase the effort on the helpers. GPTs routinely generate incorrect info, and sometimes dangerously incorrect info. Not only do we get to answer the question, we also now get to explain where the GPT went wrong.


A GPT generates text containing words that resemble an answer. It is not a reference source.

Oct 20, 2025 8:26 PM in response to MrHoffman

I'm sure you are absolutely right about ChatGPT. For me, though, I am looking for results, and the bottom line in this instance is that I was able to get on TreasuryDirect without the complications of trying to figure out Certificates. The Certificates solution might be more elegant, but I would have been lost in its implementation.


I'm new to using ChatGPT. I would never depend on it at the present time for answers to questions I could not crosscheck. However, with a number different TreasuryDirect Accounts, for the past several months it's been a pain having to use either my MacBook Pro with Tahoe or Firefox every time I wanted to go to TreasuryDirect. This Community showed me that it was possible to use Safari. So I thought I'd give ChatGPT a try. A least this time it gave me a useful result.

Suddenly unable to log in to my Treasury Direct account.

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