Here are the Cisco Security course offerings:

• N-305: CCNA Bootcamp
• N-325: Implementing Cisco IOS Network Security (IINS)
• N-415: Implementing and Operating Cisco Enterprise Network Core Technologies (ENCOR)
• N-425 : Implementing Cisco Enterprise Advanced Routing and Services ( ENARSI)
• N-485: In-Depth Securing Networks with Cisco Firepower Threat Defense NGFW
• TN-865: Wireshark Network Traffic and Security Analysis

TechNow is in no way associated with SANS or GIAC, but has courses that are similar in subject matter:

• TN-345: Python for Penetration Testers
• TN-865: Wireshark Network Traffic and Security Analysis
• TN-901: Linux for Security Professionals
• TN-909: Windows Forensic Analysis
• TN-913: Cloud Security Fundamentals
• TN-919: Penetration Tester Course
• TN-929: Security Essentials Training Course
• TN-939: Hacker Techniques, Exploits, and Incident Handling Course
• TN-949: Certified Firewall Analyst Course
• TN-959: UNIX Security Administrator Course
• TN-969: Windows Security Administrator Course
• TN-979: Intrusion Analyst Course
• TN-989: Advanced Penetration Testing, Exploits, and Ethical Hacking Course
• TN-999: Reverse Engineering Malware Course

Here are the General Unix course offerings:

• TN-125: Introduction to UNIX and Linux
• TN-215: Shell Programming
• TN-223: Advanced Shell Programming
• TN-959: UNIX Security Administrator Course

TechNow provides an array of courses to meet our customer's requirements.  Courses that do not fit into our major course categories and custom or specialized courses appear here.  

Here are courses about specilaized Software or Hardware:

• CL-218: Introduction to Cloud Infrastructure and Operations Bootcamp
• IT-113: IT Infrastructure Library (ITIL) v4 – Foundations Course
• N-495: Voice-over IP (VoIP) Foundations
• PA-212: Palo Alto Networks Firewall Configure Extended Features (EDU-205)
• PA-213: Palo Alto Networks Firewall Install, Configure, and Manage (EDU-201)
• PA-215: Palo Alto Networks Firewall Essentials FastTrack
• PA-222: Palo Alto Networks Panorama Essentials
• PA-232: Palo Alto Networks Panorama Manage Multiple Firewalls (EDU-221)
• PA-243: Palo Alto Networks Firewall Debug and Troubleshoot (EDU-311)
• RH-345: Red Hat JBoss Application Administration I
• TN-102: Writing Effective Requirements
• TN-205: A+ Skills Class
• TN-225: Network+ Skills Class
• TN-245: Telecommunications Fundamentals
• TN-395: Internet Protocol Version 6 (IPv6)
• TN-430: Elasticsearch Engineer (ELK)
• TN-801: Windows for Security Professionals
• TN-865: Wireshark Network Traffic and Security Analysis
• TN-905: Cyber Threat Intelligence Analysis
• TN-963: Windows Security Automation with PowerShell
• VM-315: VMware Infrastructure: Install, Configure, and Manage
• VM-325: VMware View: Install, Configure and Manage

Here are our Linux course offerings:

• CT-245: Linux+
• L-245: Linux System Administration I
• L-295: Linux System Administration II
• L-395: Accelerated Linux Administration and Utilities
• RH-245: Linux System Administration I
• RH-295: Linux System Administration II
• RH-355: RHCSA Rapid Track Course
• TN-901: Linux for Security Professionals
• TN-959: UNIX Security Administrator Course