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The most common TF-CSIRT email format is [first].[last] (ex. jane.doe@tf-csirt.org), which is being used by 40.0% of TF-CSIRT work email addresses.

Other common TF-CSIRT email patterns are [first] (ex. jane@tf-csirt.org) and [first][last] (ex. janedoe@tf-csirt.org). In all, TF-CSIRT uses 9 work email formats.

TF-CSIRT Email Formats and Examples

Email Format Example Percentage
[first].[last] jane.doe@tf-csirt.org
40.0%
[first] jane@tf-csirt.org
20.0%
[first][last] janedoe@tf-csirt.org
10.0%
[first_initial][last] jdoe@tf-csirt.org
10.0%
[last] doe@tf-csirt.org
5.0%
[first][last_initial] janed@tf-csirt.org
5.0%
[first_initial].[last] j.doe@tf-csirt.org
5.0%
[first]_[last] jane_doe@tf-csirt.org
3.0%
[first]-[last] jane-doe@tf-csirt.org
2.0%
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