CastleLock Email Formats

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  • CastleLock uses 6 different email formats. The most common is lastNameInitial_firstNameInitial (for example, d_j@domain.com), which appears in about 29% of work addresses.
  • Other common patterns include:
    • firstNameInitial_lastName: j_doe@domain.com (27%)
    • lastNameInitial.firstNameInitial: d.j@domain.com (28%)

CastleLock’s Popular Email Formats

FormatExamplePercentage

Format

lastNameInitial_firstNameInitial
d_j@domain.comPercentage: 29%

Format

lastNameInitial.firstNameInitial
d.j@domain.comPercentage: 28%

Format

firstNameInitial_lastName
j_doe@domain.comPercentage: 27%

Format

firstNameInitial.lastName
j.doe@domain.comPercentage: 8%

Format

lastNameInitialfirstNameInitial
dj@domain.comPercentage: 5%

Format

firstName.lastNameInitial
jane.d@domain.comPercentage: 3%
Contact top employees from CastleLock
Layton Bankston
Layton BankstonVulnerability Manager
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Shane Yost
Shane YostSr Partner - Sales and Marketing
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Tim Hill
Tim HillSenior Partner
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Craig Miller
Craig MillerSenior Information Technology Business Consultant
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CastleLock Corporate Information: FAQ

CastleLock was established in 2015 and is headquartered in Dallas, Texas, offering a spectrum of IT Services to meet business technology needs.

With a lean team of 10–50 professionals, the firm is guided by senior partners Shane Yost, who leads Sales and Marketing, and Tim Hill. The leadership also includes Layton Bankston as Vulnerability Manager and Craig Miller, who consults on Information Technology business strategies.

CastleLock focuses on delivering tailored IT solutions that support enterprise operations while ensuring robust security practices. Their expertise spans infrastructure management, cybersecurity oversight, and technology consulting, helping clients navigate complex digital landscapes efficiently.
CastleLock uses 6 email formats across its organization. The most common pattern is lastNameInitial_firstNameInitial (e.g., d_j@domain.com), used in approximately 29% of work addresses.
CastleLock currently employs over 10-50 people, with a head office in Dallas, Texas.

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