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Tool Talk: ripgen

In our fifth edition of the Tool Talk series, we explore ripgen, a subdomain discovery tool designed to significantly increase permutation combinations.

As attack surfaces continue to expand at an immeasurable rate, so do subdomain takeovers. In fact, recent research found that domain takeovers grew 20% faster with the increase in attack surface, and of the number of scanned apex and subdomains from 2020 to 2021, vulnerabilities increased as much as 25%.

Uncovering subdomain permutations is a critical task for security practitioners to understand and gain visibility into the potential assets of an organization’s attack surface, preventing attackers from gaining exploitation opportunities and footholds into networks.

Watch the webcast on demand to see ripgen, one of our favorite open-source tools, in action and learn how to stretch your knowledge of subdomain permutations.

In our fifth edition of the Tool Talk series, we explored ripgen to discover:

  • The basics – what is ripgen and how does it work
  • A demo showcasing ripgen
  • How our teams use it

Justin R

About the author, Justin Rhinehart

Senior Analyst

Justin Rhinehart is a Senior Analyst at Bishop Fox on the Bishop Fox Cosmos, formerly known as CAST, team.

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Joe sechman

About the author, Joe Sechman

Bishop Fox Alumnus

Joe is a Bishop Fox alumnus and brought over 20 years of experience to his role as Associate Vice President of R&D. He was responsible for nurturing a culture of innovation across Bishop Fox. Over his career, Joe has amassed many security certifications, delivered several presentations, and has co-authored multiple industry publications with groups such as ISC2, ISACA, ASIS, HP, and IEEE.

Additionally, Joe is a prolific inventor with nine granted patents in the fields of dynamic and runtime application security testing, attack surface enumeration, and coverage (U.S. Patents 10,699,017, 10,515,219, 10,516,692, 10,515,220, 10,423,793, 9,846,781, 10,650,148, 10,587,641, and 11,057,395). Prior to joining Bishop Fox, Joe held leadership positions with companies such as Cobalt Labs, HP Fortify, Royal Philips, and Sunera LLC (now Focal Point Data Risk). Earlier in his career, Joe served as the lead penetration tester within SPI Labs at SPI Dynamics where he cut his teeth alongside some of the best and brightest application security industry professionals. Joe received his Bachelor of Business Administration degree in Management Information Systems from the Terry College of Business - University of Georgia.
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