Internet Security and Digital Signature Course
Gain expertise in internet security and digital signatures for practical systems. Master TLS, mTLS, PKI, SHA-2/3, RSA, ECDSA, EdDSA, risk analysis, and incident response to design, deploy, and secure trusted document and transaction workflows at scale in real-world environments.

4 to 360 hours flexible workload
valid certificate in your country
What will I learn?
This course equips you with hands-on skills to secure documents and communications comprehensively. Explore modern cryptography, PKI, and TLS setup, then build resilient digital signature processes with effective key management. You'll also cover threat modelling, monitoring, incident response, and deployment strategies for reliable, compliant, and auditable signing solutions.
Elevify advantages
Develop skills
- Design secure digital signature workflows from PKI selection to long-term validation.
- Configure robust TLS and mTLS with optimal ciphers, certificates, and hardened clients.
- Model threats in document workflows by mapping attacks and prioritising mitigations.
- Manage cryptographic keys securely using HSMs, rotation, revocation, and audits.
- Monitor and respond to key or TLS incidents swiftly with clear playbooks.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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