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Jeff Costlow

Jeff Costlow

Security Leader

Unlisted, Seattle, Washington, US, 98370
425 894-8292
English

Background


About

About

I am a security leader with extensive experience securing information and networks, running security research, and building secure and scalable software. I seek a position of responsibility empowering teams to secure highly performant scalable organizations.

Work Experience

Work Experience

  • Deputy CISO, ExtraHop Networks

    Oct, 2016 - Present

    Responsible for securing our products, securing our business relationships, securing our cloud deployments, securing all internal data including customer data, and finding security-related use-cases for our best-of-breed network detection and response (NDR) tool.

    Built a Threat Research team responsible for researching attacks, building detection algorithms, and deploying threat intelligence. Grew the team to 10 team members.

    Built a compliance strategy. Personally responsible for execution; working extensively with engineering and legal resources to achieve SOC2, HIPAA and FIPS certifications. Currently in progress with FedRAMP.

    Currently building a Security Operations Team. Goal is to operationalize ExtraHop tooling with other tooling to meet all compliance and regulatory obligations.

    • Founded and built Threat Research Team.

    • Responsible for compliance roadmap and execution.

    • Responsible for Security Operations.

  • Product Security Architect, Tempered Networks

    Mar, 2015 - Sep, 20161 year 6 months

    Responsible for all aspects of security at a security product startup, including a secure development lifecycle strategy, certification strategy, and product licensing strategy. Responsible for hardware platform selections and the team that does hardware bringup and performance. Often responsible for competitive analysis and managing the software release process.

    Architected and implemented features for optimization and scaling, debugging and fuzz testing an implementation of the IPSec HIP protocol (RFC5201). Improved performance by 40% in a single release.

    Architected and implemented a dynamic identity provisioning server to allow the company to scale from individual shipments to thousands of devices.

    • Designed and implemented a provisioning service for all company devices.

    • Led security of the development team.

  • Manager, Product Development - Platform Security Team, F5 Networks

    Jul, 2012 - Feb, 20152 years 7 months

    Responsible for many security initiatives, including threat modeling and code review. Ran externally contracted penetration tests. Responsible for security maintenance on the appliance for many years.

    Member of a team integrating newly acquired products. Required a broad knowledge of entire software stack. Responsible for design as well as coordinating development efforts between remote offices.

    Implemented a PAM based authentication engine with a password policy; LDAP, RADIUS, TACACS+ and SSL client certificates.

    Led a team that built an appliance based on RH9 and RHEL3 filesystem, including a build system.

    Designed and implemented a capable and highly configurable object oriented authorization model for a web configuration application. First implemented in C++, then ported to Java and a SQL database.

    • Led a team dedicated to security of the F5 platform.

  • Manager, Product Development - Virtual Appliance Team, F5 Networks

    Nov, 2011 - Jul, 20128 months

    Built a virtual edition of flagship BIG-IP appliance. Led the team responsible for the entire product. Increased performance from 1Gb/second to 3Gb/second on similar hardware across multiple hypervisors.

    Authored a comprehensive three year roadmap for a new virtualized product. Initiatives include bare metal bringup, easy configuration of the appliance, a new driver architecture for scalable throughput, licensing changes, and integration with multiple hypervisors.

    • Led a team dedicated to buliding a virtual appliance.

  • Principal Software Engineer, F5 Networks

    Jun, 1999 - Nov, 201112 years 5 months

    Responsible for many security initiatives, including threat modeling and code review. Ran externally contracted penetration tests. Responsible for security maintenance on the appliance for many years.

    Member of a team integrating newly acquired products. Required a broad knowledge of entire software stack. Responsible for design as well as coordinating development efforts between remote offices.

    Implemented a PAM based authentication engine with a password policy; LDAP, RADIUS, TACACS+ and SSL client certificates.

    Led a team that built an appliance based on RH9 and RHEL3 filesystem, including a build system.

    Designed and implemented a capable and highly configurable object oriented authorization model for a web configuration application. First implemented in C++, then ported to Java and a SQL database.

    • Architected and developed software for world-class network load balancer.

  • Senior Software Engineer, CyberSafe

    May, 1997 - Jun, 19992 years 1 month

    Worked with kerberos authentication technology, including designing and implementing innovative client side and server side components of an http authentication module based on kerberos. Maintained and enhanced kerberos code for multiple platforms.

    • Enhanced Kerberos codebase.

  • Senior Staff Member, Applied Computing Systems

    Jan, 1995 - May, 19972 years 4 months

    Responsible for securing and maintaining a network of PCs and Sun workstations. Wrote applications for Emergency Management Operations Centers deployed by the US military.

    • Secured PCs and Sun workstations.

Projects Experience

Projects Experience

  • Public Speaking

    Jan, 2016 - Present

    I often present at security conferences, including BSides Seattle, BSides Portland, ToorCamp2018, DakotaCon, and BlackHat 2019, RSA, and many other events such as Evanta and SecureCISO.

Skills

Skills

  • Security

    Network Security

    Risk Management

    Host Security

    Operational Security

  • Compliance

    SOC2

    HIPAA

    FedRAMP

    Common Criteria

    FIPS 140

Education

Education

  • Computer Science, Bachelor, South Dakota School of Mines and Technology

    Sep, 1989 - Dec, 1994

Certificates

Certificates

  • CISSP, ISC2

    Issued on: Dec 23, 2003

  • CIPT, IAPP

    Issued on: May 01, 2018

Awards

Awards

  • Patents , US Patent Office

    Awarded on:

    At least 9 patents. https://patents.google.com/?inventor=Jeff+Costlow

Volunteer Work

Volunteer Work

  • Volunteer, FIRST Robotics Team 2412

    Jan, 2009 - Jan, 2015

    Mentor for local highschool robotics team.

    • Mentored high school students.

  • Cybersecurity Advisory Board Member, Western Washington University

    Jan, 2021 - Present

    Mentor for local highschool robotics team.

    • Mentored high school students.

Publications

Publications

  • Software Engineering Blog , Personal

    Published on: Dec 01, 2014

    Personal blog about secure software engineering.

  • ExtraHop articles , ExtraHop

    Published on: Oct 01, 2016

    Security articles for ExtraHop

  • Personal blog , Personal

    Published on: Aug 01, 2014

    Personal blog about boat building.

Interests

Interests

  • Boating

    Boat buildingSailingKayaking
  • World Travel

  • Photography