The GeoTrust brand was bought by Symantec from Verisign in 2010 .
The GeoTrust brand was agreed to sell the certificate business ( including GeoTrust ) in August 2017 to private equity and growth capital firm Thoma Bravo LLC .
The GeoTrust brand was bought by Symantec from Verisign in 2010 , but agreed to sell the certificate business ( including GeoTrust ) in August 2017 to private equity and growth capital firm Thoma Bravo LLC .