Data security courses can help you learn encryption techniques, risk assessment strategies, incident response planning, and compliance regulations. You can build skills in vulnerability management, threat detection, and secure coding practices. Many courses introduce tools like firewalls, intrusion detection systems, and data loss prevention software, demonstrating how these skills are applied to protect sensitive information and maintain system integrity.

Cisco Learning and Certifications
Skills you'll gain: Network Troubleshooting, Network Switches, Data Centers, Virtual Networking, Network Infrastructure, Network Architecture, Network Planning And Design, Local Area Networks, Command-Line Interface, Network Protocols, Virtualization, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Kafka, Apache Hadoop, Apache Spark, Real Time Data, Scala Programming, Data Integration, Command-Line Interface, AWS Kinesis, Apache Hive, Big Data, Applied Machine Learning, Data Processing, Systems Design, System Design and Implementation, Apache Cassandra, Data Pipelines, Java, Distributed Computing, Query Languages, IntelliJ IDEA
★ 4.6 (16) · Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Epidemiology, Public Health, Public Health and Disease Prevention, Health Policy, Health Informatics, Biostatistics, Health Assessment, Infectious Diseases, Health Information Management, Data Collection, Descriptive Analytics, Statistical Methods
★ 4.7 (1.3K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ggplot2, Plot (Graphics), Tidyverse (R Package), Data Visualization, Statistical Visualization, Data Analysis, Exploratory Data Analysis, R Programming, Data Visualization Software, Data Wrangling, Data Manipulation, R (Software)
★ 5 (20) · Intermediate · Guided Project · Less Than 2 Hours
University of Illinois Urbana-Champaign
Skills you'll gain: Statistics, Sampling (Statistics), Statistical Inference, Business Analytics, Probability Distribution, Descriptive Statistics, Statistical Analysis, Data Analysis, Statistical Reporting, Quantitative Research, Statistical Methods, Probability & Statistics, Data Collection, Data-Driven Decision-Making, Descriptive Analytics, Microsoft Excel, Decision Making, Estimation, Data Presentation, Data Visualization
★ 4.8 (1K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Graph Theory, Computational Thinking, Data Structures, Algorithms, Problem Solving, Programming Principles, Computer Programming, Theoretical Computer Science, Javascript, Solution Design, Performance Tuning, Memory Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: SAS (Software), Data Wrangling, Data Manipulation, Data Analysis Software, Data Transformation, Data Mapping, Interactive Data Visualization, Ad Hoc Analysis, Data Integration, Data Processing, Data Management, Statistical Programming
★ 4.8 (365) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Database Design, Data Manipulation, MySQL, Database Development, Relational Databases, Database Management, Query Languages, Data Integrity, Databases, Data Maintenance, Data Management, Data Validation, PostgreSQL, Operations
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Tableau Software, Dashboard, Dashboard Creation, Data Visualization Software, Spatial Data Analysis, Pivot Tables And Charts, Data Modeling, Statistical Analysis, Exploratory Data Analysis, Data Transformation, Analysis, Advanced Analytics
★ 4.5 (15) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Lakes, Data Governance, Data Architecture, Data Management, Data Infrastructure, Data Storage, Cloud Storage, Database Management, Data Warehousing, Data Storage Technologies, Data Access, Metadata Management, NoSQL, Star Schema, Data Quality, Google Cloud Platform, Query Languages, Data Integration, Data Processing, Application Programming Interface (API)
★ 4.1 (46) · Beginner · Course · 1 - 4 Weeks

★ 5 (6) · Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Web Scraping, Extract, Transform, Load, Data Manipulation, Data Wrangling, Data Preprocessing, Data Validation, Data Processing, Data Ethics, Data Import/Export, Data Cleansing, SQL, Data Transformation, JSON, Query Languages, Data Pipelines, Pandas (Python Package), Data Collection, Generative AI, Relational Databases, Unstructured Data
★ 4.5 (23) · Beginner · Course · 1 - 4 Weeks