[11] On August 28, 2015, private equity firm Thoma Bravo acquired a majority stake in DigiCert, with TA Associates holding a minority share.

[14][15] In September 2017, Google and Mozilla announced they would "reduce, and ultimately remove, trust in Symantec's Root Keys in order to uphold user's security and privacy when browsing the web".

[17] In December 2017, DigiCert began issuing free replacements for all distrusted certificates from Symantec, GeoTrust, RapidSSL, Thawte, and VeriSign.

[19] Qualified digital certificates from QuoVadis (now backed by DigiCert) comply with eIDAS, a set of EU standards for electronic transactions requiring legal proof of authentication.

The EU Payment Services Directive mandated that banks and other financial institutions operating in Europe begin using qualified digital certificates by Jun.

According to DigiCert, "the QuoVadis acquisition aligns with the company's vision of providing globally dispersed and robust PKI-based solutions with local support.

"[20] In 2019, the company announced a new R&D division called DigiCert Labs, "an initiative dedicated to researching and developing innovative approaches to security challenges".