Cryptography Courses and Certifications

Packt

Advanced Network Attacks, Web Hacking, and Cryptography

20 ratings at Coursera

Exploit and defend modern attack surfaces: session hijacking, firewall and IDS evasion, XSS and SQL injection with SQLMap, Wi-Fi, mobile, IoT and cloud, plus cryptography.

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

Blockchain and Cryptography Overview

Learn how hash functions, digital signatures, and public key cryptography secure blockchains, and analyze Proof of Work, Proof of Stake, wallet risks, and smart contract auditing.

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

Packt

Fundamentals of Network Security and Cryptography

Learn to secure networks with intrusion prevention, firewall deployment, segmentation, NetFlow, DHCP snooping and port security, alongside cryptographic foundations such as PKI and VPNs.

• Coursera
• 2 weeks, 5 hours a week
• Self-Paced
• Paid Course

Security Risk Management & Cryptography Fundamentals

Learn core security concepts for the Security+ exam: the CIA triad, risk assessment, threat actor analysis, and cryptography, with labs on hashing, password cracking, and authentication.

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

Packt

Cryptography, Network Security, and Application Security

Master hashing, salting, encryption and PKI, secure networks using the OSI model, SDN and access controls, and defend endpoints, mobile devices and cloud environments.

• Coursera
• 3 weeks, 5 hours a week
• Self-Paced
• Paid Course

Packt

Security Engineering and Cryptography

Secure complex IT infrastructures: implement managed configurations, mandatory access controls, PKI and cloud technology, and troubleshoot cryptographic protocols across endpoint, embedded and SCADA environments.

• Coursera
• 9 hours 8 minutes
• Self-Paced
• Paid Course

Ethical Hacking: Cloud Computing and Cryptography

Assess cloud vulnerabilities and secure cloud assets, and apply cryptography — encryption algorithms, cryptanalysis, and post-quantum algorithms — to protect data at rest and in transit.

• Coursera
• 2 hours 48 minutes
• Self-Paced
• Paid Course

Packt

Cryptography: Learn Public Key Infrastructure from Scratch

Deploy and manage a two-tier PKI on Windows Server: install root and subordinate CAs, enroll certificates, configure AIA/CDP, NDES, CEP/CES and OCSP, and migrate SHA1 to SHA2.

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

Secure Computation: Part II

Advanced course on secure multiparty computation under active and Byzantine adversaries, covering broadcast, verifiable secret sharing, and actively secure protocols.

• Swayam
• 12 weeks
• Available until Oct 9, 2026
• Free Online Course

Edureka

Post-Quantum Cryptography Foundations

Analyze how quantum computing breaks RSA and ECC, evaluate post-quantum algorithm families, and design quantum-safe architectures with hybrid models, key management, and phased migration plans.

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

EDUCBA

Python Cryptography: Build & Explore Classical Ciphers

Build and break classical ciphers in Python: implement substitution and Vigenère encryption, then crack them with frequency analysis, dictionary attacks, and the Kasiski Examination.

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

EDUCBA

Python Cryptography: Analyze & Break Ciphers

Break classical ciphers in Python: use GCD and modular inverses to crack multiplicative and affine ciphers, and digraph, trigraph and word-pattern analysis on substitution ciphers.

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

Packt

Cryptography, Network Security, and Identity Management

Connects CISSP Domains 3–5 by linking cryptography and secure design with network defense, physical security, and identity and access management.

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

NPTEL;  IIT Roorkee

Introduction to Cryptology

1 rating

Explore foundational cryptology through classical ciphers, block ciphers, RSA, primality testing, cryptanalysis, and hash-function security.

• YouTube
• 10 hours
• Self-Paced
• Free Video

Java Programming: Arrays, Lists, and Structured Data

7 ratings

Store and manipulate data with Java arrays, ArrayLists, HashMaps and HashSets while building file-reading programs, a word-frequency GladLibs generator, web log analyzers, and Vigenère cipher breakers.

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