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Chasing 100M Daily Users, Duolingo Reconsiders Ads, Paying Influencers, and Its Most Expensive Plan

AI got cheap enough that Duolingo’s most expensive plan may not survive it. I read the earnings call transcript and opened the app to see what is actually changing for learners.

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Salesforce
Get Started with Security Testing and Evaluation

Prepare for a career as a security testing and evaluation specialist.
- Trailhead
- 1 hour
- Self-Paced
- Free Online Course
Salesforce
Get Started with Cloud Security Engineering

Prepare for a career as a cloud security engineer.
- Trailhead
- 1-2 hours
- Self-Paced
- Free Online Course
Salesforce
Get Started with Security Operations

Prepare for a career as a security operations engineer.
- Trailhead
- 1 hour
- Self-Paced
- Free Online Course
Salesforce
Get Started with Security Awareness

Prepare for a career as a security awareness specialist.
- Trailhead
- Self-Paced
- Free Online Course
Salesforce
Get Started with Application Security

Learn the fundamentals of protecting applications to prepare for a career as an application security engineer.
- Trailhead
- 1-2 hours
- Self-Paced
- Free Online Course
Salesforce
Get Started with Network Security

Learn the fundamentals of protecting networks to prepare for a network security engineering career.
- Trailhead
- 1-2 hours
- Self-Paced
- Free Online Course
HackerSploit
Auditing Docker Security

Audit Docker security with CIS benchmarks and tools to identify insecure configurations across the host, daemon, containers, and registries.
- YouTube
- 39 minutes
- Self-Paced
- Free Video
Jeremy's IT Lab
CCNA - Wireless Security - CCNA 200-301 Complete Course

An overview of wireless network security covering authentication, encryption, integrity, and WPA protocols for CCNA exam preparation.
- YouTube
- 34 minutes
- Self-Paced
- Free Video
Jeremy's IT Lab
CCNA - Port Security - CCNA 200-301 Complete Course

Configure Cisco switch port security to control allowed MAC addresses, handle violations, recover err-disabled interfaces, and use sticky secure MAC learning.
- YouTube
- 34 minutes
- Self-Paced
- Free Video
Jeremy's IT Lab
CCNA Security Fundamentals

An introductory CCNA lesson on enterprise security fundamentals, from the CIA triad and common attacks to MFA, certificates, and AAA.
- YouTube
- 39 minutes
- Self-Paced
- Free Video
John Hammond
OSED Review - Offensive Security Exploit Developer

A practitioner’s review of OSED, covering Windows user-mode exploit development, exam preparation, shellcoding, ROP chains, reverse engineering, and bypassing DEP and ASLR.
- YouTube
- 59 minutes
- Self-Paced
- Free Video
John Hammond
Offensive Security Experienced Penetration Tester Review

A firsthand review of OSEP and PEN-300, covering advanced evasion, exam preparation, structured notes, reporting, and lessons from the certification experience.
- YouTube
- 32 minutes
- Self-Paced
- Free Video
Great Learning
AWS Security Services

Introduces AWS’s shared security model through IAM setup and managed protections including WAF, KMS, Shield, and Trusted Advisor.
- YouTube
- 34 minutes
- Self-Paced
- Free Video
Great Learning
Information Security

An introduction to information security covering common cyberattacks, threats, protection methods, security policies, management roles, and career certifications.
- YouTube
- 51 minutes
- Self-Paced
- Free Video
NIST 800-53: Introduction to Security and Privacy Controls

This course will provide Executives, Assessors, Analysts, System Administrators and students with the foundational knowledge to understand NIST 800-53 Security and Privacy Controls.
- Cybrary
- 2-3 hours
- Self-Paced
- Paid Course

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