Let’s Encrypt certificate lifetime incident: is there any security risk?

A few days ago, Let’s Encrypt discovered that they misinterpreted RFC 5280, thus making every certificate they issued valid for one second longer than expected.
The associated issue on Mozilla bug tracker definitively looks serious, and so… Continue reading Let’s Encrypt certificate lifetime incident: is there any security risk?

Let’s Encrypt certificate lifetime incident: is there any security risk?

A few days ago, Let’s Encrypt discovered that they misinterpreted RFC 5280, thus making every certificate they issued valid for one second longer than expected.
The associated issue on Mozilla bug tracker definitively looks serious, and so… Continue reading Let’s Encrypt certificate lifetime incident: is there any security risk?

Let’s Encrypt certificate lifetime incident: is there any security risk?

A few days ago, Let’s Encrypt discovered that they misinterpreted RFC 5280, thus making every certificate they issued valid for one second longer than expected.
The associated issue on Mozilla bug tracker definitively looks serious, and so… Continue reading Let’s Encrypt certificate lifetime incident: is there any security risk?

Is there any security risk when a certificate authority is used more than all others?

According to NetTrack, Let’s Encrypt is now used on more than 50% of domains (51.21% as of April 2018).

I know Let’s Encrypt helped a lot of people to get free certificates for their websites, so I think its existence was a … Continue reading Is there any security risk when a certificate authority is used more than all others?