Network security courses can help you learn about firewalls, intrusion detection systems, and encryption protocols. You can build skills in risk assessment, incident response, and vulnerability management. Many courses introduce tools like Wireshark for network analysis, Nessus for vulnerability scanning, and various security information and event management (SIEM) systems, showing how these skills are applied in practical work to protect networks from cyber threats.

Arizona State University
Skills you'll gain: Intellectual Property, Cyber Attacks, Data Security, Safety and Security, Cybersecurity, Computer Security Awareness Training, Research, Information Systems Security, Content Creation, Security Strategy, digital literacy, Media and Communications, Storytelling, Productivity, Digital Communications, Interpersonal Communications, Empathy & Emotional Intelligence, Personal Development, Self-Awareness, Telecommuting
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Vulnerability Assessments, Application Security, Vulnerability Management, Secure Coding, Hardening, Security Controls, Cybersecurity, Authorization (Computing), Cryptography, System Configuration, Encryption
Intermediate · Course · 1 - 3 Months

Unilever
Skills you'll gain: Data Storytelling, Marketing Automation, Web Analytics, Marketing Effectiveness, Marketing Analytics, Customer Insights, Digital Marketing, Market Analysis, Google Analytics, Social Media Marketing, Customer Analysis, Search Engine Marketing, Advertising Campaigns, Marketing Strategies, Social Media Strategy, Customer experience strategy (CX), Performance Reporting, Search Engine Optimization, Keyword Research, MarTech
Beginner · Professional Certificate · 3 - 6 Months

University of Colorado System
Skills you'll gain: Cryptography, Brute-force attacks, Encryption, Information Systems Security, Cybersecurity, Theoretical Computer Science, Computational Logic
Intermediate · Course · 1 - 4 Weeks
University of Washington
Skills you'll gain: Big Data, Relational Databases, Database Systems, Dataflow, Databases, Data Science, Data Manipulation, Data Processing, NoSQL, Apache Spark, Distributed Computing, Apache Hadoop, SQL, Data Analysis, Query Languages, Cloud Computing, Scalability, Graph Theory, Python Programming, Algorithms
Mixed · Course · 1 - 3 Months

Duke University
Skills you'll gain: Blockchain, FinTech, Emerging Technologies, Cryptography, Regulatory Compliance, Technology Strategies, Commercial Banking, Payment Systems, Data Integrity, Digital Assets, Financial Services, Business Modeling, Innovation, Distributed Computing, Scalability
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Model Evaluation, Predictive Modeling, Data Science, Analytical Skills, Data Analysis, Data Presentation, Data Collection, Data Storytelling, Data Cleansing, Statistical Analysis, Data Manipulation, Data Preprocessing, R Programming, Machine Learning, Natural Language Processing
Mixed · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Structures, Distributed Computing, Algorithms, Functional Design, Scalability, Java Programming, Other Programming Languages, Performance Tuning
Intermediate · Course · 1 - 4 Weeks
University of Toronto
Skills you'll gain: Bioinformatics, Network Analysis, Data Visualization Software, Data Analysis, Data Mining, Exploratory Data Analysis, Databases
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Cyber Security Policies, Security Engineering, Information Systems Security, Cybersecurity, Security Awareness, Threat Modeling, Policy Analysis, Political Sciences, Vulnerability Assessments, Public Policies, Human Factors, Human Computer Interaction, Usability, Software Testing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Patient Communication, Nursing Basics, Care Coordination, Communication, Patient Advocacy, Basic Patient Care, Teamwork, Patient Safety, Healthcare Industry Knowledge, Planning, Trend Analysis
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Test Tools, Security Information and Event Management (SIEM), Event Monitoring, Malware Protection, Network Security
Beginner · Project · Less Than 2 Hours