Security News > 2020 > September > Maximum Lifespan of SSL/TLS Certificates is 398 Days Starting Today

Starting today, the lifespan of new TLS certificates will be limited to 398 days, a little over a year, from the previous maximum certificate lifetime of 27 months.

The lifespan of SSL/TLS certificates has shrunk significantly over the last decade.

Then in February this year, Apple became the first company to announce that it intends to reject new TLS certificates issued on or after September 1 that have a validity of more than 398 days.

Some SSL certificate providers, such as Digicert and Sectigo have already stopped issuing certificates with a two-year validity.

To avoid unintended consequences, Apple recommends that certificates be issued with a maximum validity of 397 days.

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