Course Overview:

The course teaches students to use the sort, grep, sed, & awk utilities within Unix. Systems administrators, Unix users, & programmers benefit from the course showing them how to use the command line applications of sort, grep, sed, & awk commands as well as using sed & awk scripts that develop the users skills with the full power of these utilities.

Attendees to TN-223: Advanced Shell Programming will receive TechNow approved course materials and expert instruction.

Dates/Locations:

No Events

Duration: 3 Days

Course Objectives:

  • Sorting files by line or field
  • Regular Expressions (meta character) with grep commands to locate specific lines in files
  • Performing non-interactive editing tasks with the sed command
  • Writing simple sed scripts to perform complex editing tasks
  • Using awk variables & arrays to sort data
  • Employing awk programs to manipulate numeric & textual data
  • Performing formatted printing in awk
  • Writing simple awk programs to write reports from data files
  • Using built-in awk functions & defining new functions
  • Write awk programs that make decisions based on numeric or string comparisons (branches & loops)
  • Grep, egrep extended metacharacters, combinations-lab advanced combinations- lab Sed
  • Basic commands- Lab, Advanced commands- Lab, Advanced scripting -Lab
  • Miscellaneous commands Tr, sort, cut, paste, pr -Lab

Prerequisites:

  • TN-125: Introduction to UNIX & Linux
  • TN 215: Shell Programming.
  • Students should have a basic knowledge of UNIX commands including rm, cp, man, cat, & mkdir. Navigating directory structure using commands such as ls, cp, & pwd. Creating and editing files with the vi editor or text editor. Use of basic programming constructs, & commands such as variables & loops & how to write a simple program in a programming language.

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Course Overview:

As VoIP (Voice-over IP) is integrated into the operations of many missions, it is imperative to understand its security ramifications.  In the N-595: VoIP Security Analysis and Design class the objectives are designed for those who are chartered with the responsibility of securing networks and application environments that incorporate VoIP.   Topics include how VoIP works, its interactions with the network, its vulnerabilities and mitigations.  Focus is on leading open source and proprietary technologies utilizing Asterisk and Cisco and the protocols SIP, H.323, RTP, MGCP, and Skinny.  Other protocols such as Nortel's UNIStim will be addressed.  As for Cisco, security pieces in the VoIP CallManager servers, Catalyst switches, IOS-based routers, and ASA firewalls, amounts to several different platforms, each with its own management interface and lockdown procedures.   Various open source tools including those in BackTrack are used for VoIP attacks.  A task list of actions for securing enterprise VoIP is carried out in hands-on labs, performed on Cisco phones, routers, switches, and ASA firewalls.

Attendees to N-595: VoIP Security Analysis and Design will receive TechNow approved course materials and expert instruction.

Dates/Locations:

No Events

Duration: 5 Days

Course Objectives:

  • VoIP Architecture
  • VoIP Signaling and media protocols
  • Common VoIP authentication mechanisms
  • Common VoIP encryption techniques
  • VoIP protocol analysis with Wireshark
  • Maintaining QoS while mitigating DoS
  • VoXML, XML, and application integration security
  • Converged network security design and implementation
  • Impact of NAT and firewalls
  • SIP, H.323, and MGCP vulnerabilities
  • VPN, IPsec and SRTP to secure VoIP services
  • Penetration testing with open source tools
  • Attacks for Eavesdropping, call redirection, and DoS
  • Design of hacked firmware virtualization layer
  • Concise lockdown steps for network hardware and VoIP

Prerequisites:

  • This is an advanced Information Security Course which requires basic Windows & UNIX competency
  • Certification or 2 years of experience in these operating systems is highly recommended
  • As well as an understanding of TCP/IP

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Course Overview:

This intensive hands-on class teaches students to develop customized UNIX™ commands, read & write Bourne, Korn & Bash Shell scripts & automate critical server functions.  The course includes extensive lab exercises, including hands-on development & debugging of shell scripts, which will give students the ability to be more efficient and productive in less time. The focus of the course will be the Bash shell.

Attendees to TN-215: Shell Programming will receive TechNow approved course materials and expert instruction.

Dates/Locations:

No Events

Duration: 5 days

Course Objectives:

  • Shell Review
  • Shell Interpretation of Quotes & Backslash
  • The Bash Shell
  • Shell’s combined with UNIX utilities
  • Programming Basics
  • Data Constructs
  • Programming Looping
  • Your Environment
  • More on Parameters
  • Advanced Shell Programming

Prerequisites:

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User: hnzarate

Instructor comments: Very knowledgeable.

Facilities comments: This hotel needs better water.


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Welcome to TechNow! The Leader in Information Security Training & Computer Training.

The world of information security and computer training is ever changing.  The techniques and systems continue to evolve and we must stay current and diligent.  To do this, you can count on TechNow®…the leader in cybersecurity training and computer system training.

TechNow® has been training the leaders in the computer community for many years.  We provide training for students in a number of areas.  Our cybersecurity trainings include popular courses like D0D 8140, Security , CISM, CISSP, CEH,CCNA, and more.  With over 34 years of experience, we’re able to provide you with unmatched training and certification programs.

TechNow also provides a variety of other popular trainings for the computer professional including Cisco, EC-Council, CompTIA, Unix/Linux and more.

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Upcoming Events

  • CT-225: Network+
    • 08/25/2025 – 08/29/2025
    • San Antonio
  • CT-245: Linux+
    • 08/25/2025 – 08/29/2025
    • San Antonio
  • AZ-900: Microsoft Azure Fundamentals
    • 09/03/2025 – 09/05/2025
    • San Antonio
  • CT-395: CySA+ Cybersecurity Analyst
    • 09/08/2025 – 09/12/2025
    • San Antonio
  • TN-813: Certified in Governance, Risk and Compliance (CGRC)
    • 09/08/2025 – 09/11/2025
    • San Antonio
  • in   

    Course Overview:

    The mark of excellence for a professional certification program is the value and recognition it bestows on the individual who achieves it.  The technical skills & practices the CISA promotes and evaluates are the building blocks of success in the field. Possessing the CISA designation demonstrates proficiency and is the basis for measurement in the profession.  With a growing demand for professionals possessing IS audit, control and security skills, CISA has become a preferred certification program by individuals and organizations around the world.  CISA certification signifies commitment to serving an organization and the IS audit, control and security industry with distinction.  This course will help the student prepare to obtain this credential.

    Attendees to TN-822: Certified Information Systmes Auditor (CISA) Seminar will receive TechNow approved course materials and expert instruction.

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    Dates/Locations:

    Date/Time Event
    10/06/2025 - 10/10/2025
    08:00 -16:00
    TN-822: Certified Information Systems Auditor (CISA) Seminar
    TechNow, Inc, San Antonio TX

    Duration: 5 Days

    Course Objectives:

    • The IS Audit Process (10%)
      • Provide IS audit services in accordance with IS audit standards, guidelines, and best practices to assist the organization in ensuring that its information technology and business systems are protected & controlled.
    • IT Governance (15%)
      • Provide assurance that the organization has the structure, policies, accountability, mechanisms and monitoring practices in place to achieve the requirements of corporate governance of IT.
    • System and Infrastructure Life Cycle Management (16%)
      • Provide assurance that the management practices for the development/acquisition, testing, implementation, maintenance and disposal of systems and infrastructure will meet the organization's objectives.
    • IT Service Delivery and Support (14%)
      • Provide assurance that the IT service management practices will ensure the delivery of the level of services required to meet the organization's objectives.
    • Protection of Information Assets (31%)
      • Provide assurance that the security architecture (policies, standards, procedures and controls) ensures the confidentiality, integrity and availability of information assets.
    • Business Continuity and Disaster Recovery (14%)
      • Provide assurance that, in the event of a disruption, the business continuity and disaster recovery processes will ensure the timely resumption of IT services, while minimizing the business impact.

    Prerequisites:

    A minimum of five years of professional information systems auditing, control & security work experienced is required.  Experience must have been gained within the 10-year period preceding the application date for certification, or within five years from the date of initially passing the examination.

    Comments

    Latest comments from students


    User: fsarisen

    Instructor comments: Thank you Tim for all the great information! I am confident that I'll do well on the ICND exam.


    User: storoy30

    Instructor comments: The instructor, Tim Burkard, was very knowledgeable on the course material and skilled at explain more complex ideas.


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