Public Key Infrastructure Courses and Certifications

Managing Storage and Networking

Develop skills in DNS, DHCP, VPN, PKI, and WAP implementation. Learn to manage storage, file services, and hybrid networking for Windows Server environments.

• Coursera
• 5 hours 30 minutes
• Self-Paced
• Paid Course

Packt

Cryptography, Network Security, and Application Security

Master essential cybersecurity skills across cryptography, network security, and application protection. Learn to implement PKI systems, secure network communications, manage endpoint security, and protect cloud environments.

• Coursera
• 13 hours 39 minutes
• Self-Paced
• Paid Course

Encryption and Cryptography Essentials

Master encryption and cryptography fundamentals through hands-on practice with RSA, AES, hashing, and digital signatures. Build practical skills in blockchain, PKI, and certificate management for real-world cybersecurity.

• Coursera
• 16 hours 11 minutes
• Self-Paced
• Paid Course

Board Infinity

Deep Dive into Cryptography

Master cryptographic techniques for blockchain security, from basic encryption to advanced protocols like zero-knowledge proofs and homomorphic encryption. Apply practical skills to enhance data privacy and secure decentralized systems.

• Coursera
• 13 hours 35 minutes
• Self-Paced
• Paid Course

Packt

Working with SSH

Discover how to securely connect to remote systems using SSH, from basic installation to advanced security techniques like certificate-based authentication and connection hardening for Linux servers.

• Coursera
• 1 hour 48 minutes
• Self-Paced
• Paid Course

Packt Career Certificate

Certified Vault Operations Professional – A Complete Guide

Master HashiCorp Vault operations from basics to advanced configurations, including secrets engines, high availability, monitoring, and security practices to prepare for the Certified Vault Operations Professional exam.

• Coursera
• 4 weeks, 10 hours/week
• Self-Paced
• Paid Course
• 3 courses

(SSCP) Systems Security Certified Practitioner: Unit 2

Master cryptographic applications, PKI, and secure protocols to protect data integrity through symmetric/asymmetric encryption and hashing techniques for digital security.

• Coursera
• 4 hours 14 minutes
• Self-Paced
• Paid Course

Packt

TLS & HTTPS Explained – Visualizations & Localhost Setup

Master TLS, HTTPS, and encryption protocols through hands-on practice with OpenSSL, Wireshark, and certificate creation to build secure web servers from scratch.

• Coursera
• 6 hours 13 minutes
• Self-Paced
• Paid Course

Packt

Managing Resources, Security, and Networking in Windows 2025

Master resource management, networking, and security in Windows Server 2025, covering file shares, DFS, PKI, VPNs, and hardening techniques through hands-on, scenario-driven labs.

• Coursera
• 10 hours
• Self-Paced
• Paid Course

Security & Compliance: Crypto, Risk, and Response

Explore cryptography, PKI, risk management, and incident response strategies to strengthen security posture and ensure compliance in enterprise IT environments.

• Coursera
• 7 hours
• Self-Paced
• Paid Course

Coursera

Secure INFINET & SFMS Architecture

Explore India's regulated inter-bank security infrastructure, configuring PKI-secured SFMS gateways, analyzing INFINET security gaps, and hardening resilience protocols per IDRBT guidelines.

• Coursera
• 3 weeks, 2 hours a week
• Self-Paced
• Paid Course

EDUCBA

Implement and Automate IT Infrastructure Using Puppet

Master automated infrastructure management with Puppet through hands-on AWS deployment, configuration management, and multi-tier web service automation for DevOps professionals.

• Coursera
• 5 hours 33 minutes
• Self-Paced
• Paid Course

Conversations in Cryptography

Explore cryptography from ancient ciphers to modern PKI, covering symmetric encryption, hashing, RSA key pairs, and digital certificates — no math or CS background required.

• Coursera
• 5 weeks, 1 hour a week
• Self-Paced
• Paid Course

Protect Your Data: An Introduction to Blockchain Security

Master blockchain security by analyzing real attacks, applying STRIDE threat modeling, and building layered defenses across IAM, PKI, smart contracts, and pen testing.

• Coursera
• 5 weeks, 1 hour a week
• Self-Paced
• Paid Course

Practical Encryption

742 ratings at Udemy

Learn how encryption, hashing, digital signatures, SSL/TLS and digital certificates really work!

• Udemy
• 2 hours 5 minutes
• Self-Paced
• Paid Course