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The most common CISA email format is [first].[last] (ex. jane.doe@cisa.one), which is being used by 62.4% of CISA work email addresses. Other common CISA email patterns are [first]_[last] (ex. jane_doe@cisa.one) and [first] (ex. jane@cisa.one). In all, CISA uses 9 work email formats.
| Email Format | Example | Percentage |
|---|---|---|
| [first].[last] | jane.doe@cisa.one |
62.4%
|
| [first]_[last] | jane_doe@cisa.one |
18.8%
|
| [first] | jane@cisa.one |
18.8%
|