Let’s Encrypt will be reducing the validity period of the certificates we issue. We currently issue certificates valid for 90 days, which will be cut in half to 45 days by 2028.
This change is being made along with the rest of the industry, as required by the CA/Browser Forum Baseline Requirements, which set the technical requirements that we must follow. All publicly-trusted Certificate Authorities like Let’s Encrypt will be making similar changes. Reducing how long certificates are valid for helps improve the security of the internet, by limiting the scope of compromise, and making certificate revocation technologies more efficient.
most trouble is probably caused in the first few days. Doesn’t matter if it’s 45 or 90 days, it would have to be a few hours to be meaningfully short. Given that automating things like this is annoying sometimes, you’ll be sure people will max out the 45 days…
I’m pretty sure it’s the SSL seller lobby just wanting more money, tbh. Selling snake oil security.
I know from professional experience that this is a stupid as fuck idea that leads to outages. One of the many reasons I’m working to automate those annoying ones.
Also, don’t let perfect be the enemy of better.
And selling “certificate automation” tools.
Yeah you can still do a lot of damage in a few hours, but 45 days is a meaningful reduction in exposure time from year+