John Markley

John Markley Email and Phone Number

Principal - Cybersecurity @ AT&T
dallas, texas, united states
John Markley's Location
United States, United States
About John Markley

Within the cybersecurity field have expertise in firewall administration, authentication, encryption, vulnerability management, system administration, and mobile technologies (network and endpoint). Experience in managing large teams (>30) as well as self-motivated to work as an individual contributor. Was a regular on the AT&T ThreatTraq program that can be found on YouTube.

John Markley's Current Company Details
AT&T

At&T

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Principal - Cybersecurity
dallas, texas, united states
Website:
att.eu
Employees:
218956
John Markley Work Experience Details
  • At&T
    Principal - Cybersecurity
    At&T Apr 2012 - Present
    United States
    Team lead specializing in mobile device and mobile application security assessment, threat, and vulnerability management for consumer products and internally used.
  • At&T
    Principal - Cybersecrity
    At&T May 2004 - Present
    United States
    Key Contributor to several initiatives intended to secure and protect the United States National Security/Emergency Preparedness, including the Cross Sector Cyber Security Working Group, the National Level Exercises, CyberStorm tabletops, National Sector Risk Assessment, and the National Cyber Incident Response Plan. Representing AT&T for Network Security Information Exchange, which is the advisory group to the Department of Homeland Security’s NSTAC and currently Chair Emeritus
  • At&T
    Senior Technical Director
    At&T Mar 2004 - Mar 2012
    United States
    Led a team of highly skilled security professionals in monitoring, preventing, and reviewing potential intrusion and intrusion vectors. Communication of risk to entirety of AT&T who have responsibility for operations. This includes regular review and assistance with design and architecture decisions. Personally led resolution of cyber security incident responses
  • At&T
    Senior Technical Director
    At&T Jun 1996 - Feb 2004
    United States
    Operated as a team member, and promoted to lead a 30 member team to manage firewalls and other perimeter security devices such as IDS, IPS, and URL filtering. Over 350 such devices were actively managed. Work closely with vendors and Legal to ensure only permissible access was allowed.
  • At&T
    Senior Analyst
    At&T Jun 1990 - May 1996
    United States
    System administration and application support for UNIX and UTS systems running telephone and data line provisioning. Coding support to enhance security products, including monitoring and basic access.
  • St. Charles Community College
    Adjunct Faculty
    St. Charles Community College Jan 1993 - Dec 2000
    United States
    Instruct college level UNIX courses, including: Introduction to UNIX, Advanced UNIX, and UNIX Network Administration.

John Markley Education Details

Frequently Asked Questions about John Markley

What company does John Markley work for?

John Markley works for At&t

What is John Markley's role at the current company?

John Markley's current role is Principal - Cybersecurity.

What schools did John Markley attend?

John Markley attended Hannibal-Lagrange University.

Who are John Markley's colleagues?

John Markley's colleagues are Arlene Gutierrez, Tony Floriolli, Jeremy Bond, Mark Hatcher, Rasim Atayev, Adams Abiola Lateef, Alexander Benasutti.

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