Changes

==Certificate authorities==

==Certificate authorities==

There are many certificate authorities.  The following is a list of some of the most popularly used ones, as reported in May 2017.<ref>https://w3techs.com/technologies/overview/ssl_certificate/all</ref>

There are many certificate authorities.  The following is a list of some of the most popularly used ones, as reported in September 2017.<ref>https://w3techs.com/technologies/overview/ssl_certificate/all</ref>

{| class="wikitable"

{| class="wikitable"

|-

|-

! Name !! Usage rate !! Market Share

! Name !! Usage rate !! Market Share

|-

|-

| Comodo || 15.3% || 41.4%

| Comodo || 16% || 39.7%

|-

|-

| IdenTrust || 10% || 27%

| IdenTrust || 12% || 29.8%

|-

|-

| Symantec Group || 5.4% || 14.6%

| Symantec Group || 5.5% || 13.7%

|-

|-

|GoDaddy Group || 2.8% || 7.6%

|GoDaddy Group || 3% || 7.6%

|-

|-

|GlobalSign|| 1.7% || 4.7

|GlobalSign|| 1.8% || 4.5

|-

|-

|DigiCert || 0.8% || 2.2%

|DigiCert || 0.9% || 2.2%

|-

|-

|Certum || 0.2% || 0.6%

|Certum || 0.3% || 0.6%

|-

|-

|Entrust || 0.2% || 0.4%

|Entrust || 0.2% || 0.4%

|-

|-

|Secom Trust || 0.1% || 0.3%

|Secom Trust || 0.1% || 0.3%

|-

|-

|Trustwave || 0.1% || 0.3%

|Trustwave || 0.1% || 0.2%

|-

|-

|Actalis || 0.1% || 0.2%

|Actalis || 0.1% || 0.2%

|-

|-

|Let’s Encrypt || <0.1% || <0.1%

|Let’s Encrypt || 0.1% || 0.1%

|-

|-

|WISeKey Group || <0.1% || <0.1%

|WISeKey Group || <0.1% || 0.1%

|-

|-

|Other || 25.5 ||  

|Other || 25.5 ||  

|Other-Invalid || 35.8% ||

|Other-Invalid || 35.8% ||

|}

|}

The following are some other known certificate authorities with a market share of less than 0.1%

The following are some other known certificate authorities with a market share of less than 0.1%

*Deutsche Telekom

*Deutsche Telekom