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Most Popular Certifcate scourses
Intermediate Level
Fundamentals of NIS2 Directive - EU Cybersecurity Enhancement
IT
1.5-3hrs
diplomasFREE
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Intermediate Level
Diploma in ISO 27001:2022 - Information Security Management System (ISMS)
IT
10-15hrsdiplomasFREE
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Intermediate Level
ISO 27005 - Essentials of Information Security Risk Management
IT
4-5hrsdiplomasFREE
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advanced level
Data Protection Officer Training
IT
3-4hrsdiplomasFREE
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beginner level
ISO/IEC 27001 - Dynamics of Information Security Management System (ISMS)
IT
3-4hrsdiplomasFREE
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advanced level
Diploma in Certified Information Systems Security Professional (CISSP 2024)
IT
10-15hrsdiplomasFREE
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Intermediate Level
ISO 27001: 2022/Amd 1: 2024 Update - Information Security Management Systems
IT
1.5-3hrsdiplomasFREE
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beginner level
Internal Auditing - Information Security Management Systems (ISMS)
IT
1.5-3hrsdiplomasFREE
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beginner level
Fundamentals of OCTAVE Security Risk Management Framework
IT
1.5-3hrsdiplomasFREE
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beginner level
A Brief Guide to Cyber Security
IT
3-4hrsdiplomasFREE
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beginner level
Introduction to Cyber Law
IT
1.5-3hrsdiplomasFREE
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beginner level
Diploma in Cyber Security
IT
6-10hrsdiplomasFREE
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beginner level
Cyber security: Understand Threats and Prevent Attacks
IT
1.5-3hrsdiplomasFREE
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beginner level
Cyber Security With Mobile Device Management (MDM)
IT
3-4hrsdiplomasFREE
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beginner level
Basics of Security Management
IT
1.5-3hrsdiplomasFREE
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beginner level
Digital Security Awareness
IT
5-6hrsdiplomasFREE
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Intermediate LevelFundamentals of NIS2 Directive - EU Cybersecurity Enhancement
IT
1.5-3hrsdiplomasFREE
Start learning
Intermediate LevelDiploma in ISO 27001:2022 - Information Security Management System (ISMS)
IT
10-15hrsdiplomasFREE
Start learning
Intermediate LevelISO 27005 - Essentials of Information Security Risk Management
IT
4-5hrsdiplomasFREE
Start learning
advanced levelData Protection Officer Training
IT
3-4hrsdiplomasFREE
Start learning
beginner levelISO/IEC 27001 - Dynamics of Information Security Management System (ISMS)
IT
3-4hrsdiplomasFREE
Start learning
advanced levelDiploma in Certified Information Systems Security Professional (CISSP 2024)
IT
10-15hrsdiplomasFREE
Start learning
Intermediate LevelISO 27001: 2022/Amd 1: 2024 Update - Information Security Management Systems
IT
1.5-3hrsdiplomasFREE
Start learning
beginner levelInternal Auditing - Information Security Management Systems (ISMS)
IT
1.5-3hrsdiplomasFREE
Start learning
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beginner levelFundamentals of OCTAVE Security Risk Management Framework
IT
1.5-3hrsdiplomasFREE
Start learning
beginner levelA Brief Guide to Cyber Security
IT
3-4hrsdiplomasFREE
Start learning
beginner levelIntroduction to Cyber Law
IT
1.5-3hrsdiplomasFREE
Start learning
beginner levelDiploma in Cyber Security
IT
6-10hrsdiplomasFREE
Start learning
beginner levelCyber security: Understand Threats and Prevent Attacks
IT
1.5-3hrsdiplomasFREE
Start learning
beginner levelCyber Security With Mobile Device Management (MDM)
IT
3-4hrsdiplomasFREE
Start learning
beginner levelBasics of Security Management
IT
1.5-3hrsdiplomasFREE
Start learning
beginner levelDigital Security Awareness
IT
5-6hrsdiplomasFREE
Start learning
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OKR Certification Course: A Path to Renewed Enthusiasm and Productivity
Ryan Panchadsaram, course instructor.
I recently took OKR Certification: Leadership and Goal Setting by Measure What Matters on Coursera. This course was added to the Class Central catalog in September 2022.
Why I Chose this Course
At Class Central, we recently started setting quarterly OKRs to boost the company’s performance. I previously worked in the banking industry and was familiar with Key Performance Indicators (KPIs), but had never heard of OKRs. I decided to find out more by taking thi
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Duolingo’s Q4 2025: Record Revenue, Record Stock Drop, One Massive Buyback
TL;DR
Duolingo reported Q4 2025 revenue of $282.9 million (+35% YoY), closing its first billion-dollar year, breaking estimates again.
The stock dropped 22.5% anyway. Again.
The company plans to slow down monetization to grow to 100 million DAUs until 2028, by focusing on teaching quality, giving more to free users, and growing non-language courses.
Duolingo’s Q4 2025 results confirmed something we highlighted in its 2025 review: growth is slowing.
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