Welcome to TechNow!

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

  • IT-113: IT Infrastructure Library (ITIL) v4 – Foundations Course
    • 08/04/2025 – 08/08/2025
    • San Antonio
  • PM-325: Project Management Professional (PMP) Exam Preparation
    • 08/04/2025 – 08/08/2025
    • San Antonio
  • N-305: CCNA Bootcamp
    • 08/11/2025 – 08/15/2025
    • San Antonio
  • PM-224: PMI Agile Certified Practitioner (PMI-ACP)® Prep Course
    • 08/11/2025 – 08/13/2025
    • San Antonio
  • TN-555: Certified Ethical Hacker v13 (CEH)
    • 08/11/2025 – 08/15/2025
    • San Antonio
  • all events

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    TN-125: Introduction to UNIX and Linux

     

    Course Overview:

    This hands-on course provides an intensive overview of fundamental UNIX commands that are common to all flavors of UNIX, but the focus is on RedHat. At the end of this course students will have a firm grasp of how the UNIX operating system works, how to accomplish powerful functions using multiple commands & most importantly of all, how to think UNIX. With the skills gained in this course, students can move on to RedHat System Administration I or Linux System Admnistration I.

    Attendees of TN-125: Introduction to UNIX and Linux will receive course materials and expert Instruction.

    Date/Locations:

    Date/Time Event
    11/03/2025 - 11/07/2025
    08:00 -16:00     		TN-125: Introduction to UNIX and Linux
    TechNow, Inc, San Antonio TX

    Duration: 5 days

    Course Objectives:

    • Unix Overview
    • Introduction to the UNIX command Line
    • Managing and controlling access to files
    • Batch Scripting and tools
    • Regular Expressions, Pipelines, and IO Redirection
    • Text File Manipulation
    • Basic Network Commands
    • Managing Unix Processes
    • GNOME Graphical Desktop

    Prerequisites:

    • Basic Knowledge of Computers

    Comments

    Latest comments from students

    User: trkdashin

    Instructor comments: Very knowledgeable

    Facilities comments: Nice Hotel

     

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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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    Security Course Flow

    We are often asked what is the recommended sequence of classes.  Here is our recommended sequence of classes for The Security Field.

    Certified Information Security Manager (CISM)

    CT-325 CompTIA Security+ Arrowright TN-825 Certified Information Security Manager

    Certified Information Systems Auditor(CISA)

    CT-325 CompTIA Security+ Arrowright TN-425 Certified Ethical Hacker Arrowright TN-822: Certified Information Systems Auditor (CISA)

    Certified Information Systems Security Professional(CISSP)

    CT-325 CompTIA Security+ Arrowright TN-425 Certified Ethical Hacker Arrowright TN-815 CISSP Certification Prep Seminar

     

    TN-245: Telecommunications Fundamentals

    Course Overview:

    This comprehensive course provides you with an in-depth understanding of the current telecom landscape and how voice is migrating from a circuit- to a packet-switched network. You will learn how to evaluate existing technology options to determine which will best meet your organization's data and telephony requirements, from mature digital transport/access services to emerging voice and data services using voice over packet technologies.

    Attendees to TN-245: Telecommunications Fundamentals will receive TechNow approved course materials and expert instruction.

    Dates/Locations:

    No Events

    Duration: 5 days

    Course Objectives:

    • The Current State of the Telecom Industry
    • Telecom Service Providers
    • Digitalizing Voice
    • Communication Mediums and Multiplexing
    • Carrier Access: Customer-to-Carrier Connections
    • Broadband Access
    • Enterprise Networks
    • Carrier Transport Services
    • Data Communications and Packet-Switched Networks
    • Migrating Voice from Circuit-to-Packet-Switched Networks
    • Carrier Data Services
    • Ethernet Services
    • Remote Access Virtual Private Networks (VPNs)
    • Video Technology and Services
    • Current Mobile Wireless Services
    • Fixed Mobile Convergence (FMC)
    • Worldwide Interoperability for Microwave Access (WiMax)
    • Multimedia Subsystem (IMS)

    Prerequisites:

    • None

     

    Comments

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