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The most common (ISC)² email format is [first_initial][last] (ex. jdoe@isc2.org), which is being used by 87.1% of (ISC)² work email addresses. Other common (ISC)² email patterns are [first][last] (ex. janedoe@isc2.org) and [first_initial_two][last] (ex. jadoe@isc2.org). In all, (ISC)² uses 9 work email formats.
| Email Format | Example | Percentage |
|---|---|---|
| [first_initial][last] | jdoe@isc2.org |
87.1%
|
| [first][last] | janedoe@isc2.org |
4.0%
|
| [first_initial_two][last] | jadoe@isc2.org |
3.3%
|
| [first] | jane@isc2.org |
1.3%
|
| [first]-[last] | jane-doe@isc2.org |
1.1%
|
| [last][first_initial] | doej@isc2.org |
0.9%
|
| [last] | doe@isc2.org |
0.9%
|
| [first][last_initial] | janed@isc2.org |
0.9%
|
| [first].[last] | jane.doe@isc2.org |
0.5%
|