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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

  • N-305: CCNA Bootcamp
    • 11/17/2025 – 11/21/2025
    • San Antonio
  • TN-555: Certified Ethical Hacker v13 (CEH)
    • 11/17/2025 – 11/21/2025
    • San Antonio
  • TN-825: Certified Information Security Manager (CISM) Seminar
    • 11/17/2025 – 11/21/2025
    • San Antonio
  • CT-245: Linux+
    • 12/01/2025 – 12/05/2025
    • San Antonio
  • CT-395: CySA+ Cybersecurity Analyst
    • 12/01/2025 – 12/05/2025
    • San Antonio
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    C-225: C++ Object Oriented Programming

     

    Course Overview:

    C-225: C++ Object Oriented Programming is a hands-on course that provides a complete introduction to the ANSI Standard C++ programming language, focusing on quickly developing the practical skills needed to create real-world solutions.  Our hands-on labs are designed to promote retention and challenge students to apply their skills to new situations.

    C++ is more than just C with classes.  It is a whole new language with a structure similar to C, but with significant differences to warrant a complete course to cover its features.

    Attendees to C-225: C++ Oriented Programming will receive TechNow approved course materials and expert instruction.

    Dates/Locations:

    No Events

    Duration: 5 Days

    Course Objectives:

    • Classes
    • Casting in C++
    • Constructors & Destructors
    • Class Methods & Data
    • Inheritance
    • Overloaded Functions
    • Virtual Functions
    • Overloaded Operators
    • Pure Virtual Functions
    • Exception Handling
    • References & Constants
    • Standard Template Library
    • New and Delete
    • STL Containers

    Prerequisites:

     

    Comments

    Latest comments from students

    User: christinehejnal

    Instructor comments: The material was made clear, however I don't agree that she shouldn't have catered towards the people not taking the exam.

    Facilities comments: The facilities were cold and very noisy, I found it hard to concentrate.

    User: mamacker1

    Instructor comments: Informative instructor. Definitely not monotone. I'd recommend it to my sister if I had one.

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    N-595: VoIP Security Analysis and Design

    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

    Comments

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    TN-223: Advanced Shell Programming

     

    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.

    Comments

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    N-325: Implementing Cisco IOS Network Security (IINS)

    Course Overview:

    Implementing Cisco IOS Network Security (IINS) is an instructor-led course. This five-day course focuses on the necessity of a comprehensive security policy and how it affects the posture of the network.  TechNow students each get a Cisco Switch, Router, and an ASA.  The in the classrom hardware hands-on component of this course is a priority.  Using instructor-led discussions, extensive hands-on lab exercises, and supplemental materials, this course allows learners to understand common security concepts, and deploy basic security techniques utilizing a variety of popular security appliances within a “real-life” network infrastructure.  TechNow is an Authorized VUE testing partner and this course concludes with the student taking the 210-260 IINS Cisco Certification Exam.

    Duration: 5 days
    Audience:  Cisco Network Administrators.  This course is an excellent precursor to Palo Alto Network Firewall Training
    DoD 8140:  Not Mandated
    Course Prerequisites:  CCNA

    Course Objectives:

    • Describe common network security concepts
    • Secure routing and switching infrastructure
    • Deploy basic authentication, authorization and accounting services
    • Deploy basic firewalling services
    • Deploy basic site-to-site and remote access VPN services
    • Describe the use of more advanced security services such as intrusion protection, content security and identity management

    Attendees to N-325: Implementing Cisco IOS Network Security will receive TechNow approved course materials and expert instruction.

    Dates/Locations:

    No Events

    Comments

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