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Security

Portal | Tag Cloud | 58 assets across 21 topics

TLS, secrets management, scanning, RBAC, audit logging, compliance, Vault

Core Skills (Tier 1)

Start here — these are the topics a mid-level engineer uses weekly.

All Content

📘 Topic Packs

Asset Topics Level Time Status
Audit Logging Audit Logging L1 2h solid
Backup Restore Backup & Restore L1 2h solid
Compliance & Audit Automation Audit Logging, Compliance & Audit L2 5h solid
Container Images Container Image Scanning (alias → container_images) L1 3h solid
Disaster Recovery & Backup Engineering Backup & Restore, Disaster Recovery L2 5h solid
HTTP Protocol TLS & PKI L0 3h solid
HashiCorp Vault HashiCorp Vault, Secrets Management L2 4h solid
Incident Triage Incident Triage L1 2h solid
Infrastructure Forensics Audit Logging, Infrastructure Forensics L2 5h solid
LDAP & Identity Management LDAP & Identity Management, Least Privilege L2 5h solid
Networking Deep Dive TLS & PKI L1 6h solid
Nginx & Web Servers TLS & PKI L1 5h solid
Offensive Security Basics Offensive Security Basics L1 2h solid
Opsec Mistakes OpSec Mistakes L1 2h solid
RHCE (EX294) Exam Preparation SELinux & AppArmor L2 40h solid
Runtime Security with Falco Runtime Security with Falco L2 4h solid
SELinux & AppArmor SELinux & AppArmor L2 5h solid
SELinux & Linux Hardening Audit Logging, Compliance & Audit L2 5h solid
Secrets Management Secrets Management L2 4h solid
Security Basics (Ops-Focused) Security Scanning L1 4h solid
Security Scanning Security Scanning L1 2h solid
Supply Chain Security Supply Chain Security L2 3h solid
TLS & Certificates Ops TLS & Certificates Ops, TLS & PKI L1 6h solid

🔬 Labs

Asset Topics Level Time Status
Lab: Trivy Scan Remediation (CLI) Security Scanning L1 30m solid

⚡ Drills

Asset Topics Level Time Status
Secrets Management Drills Secrets Management L2 30m solid
Security Drills Security Scanning L2 30m solid
TLS & PKI Drills TLS & PKI L2 30m solid

🎯 Scenarios

Asset Topics Level Time Status
Interview: CI Vuln Scan Failed Security Scanning L2 15m solid
Interview: Certificate Expired TLS & PKI L2 15m solid
Interview: Secret Leaked to Git Secrets Management L2 15m solid
Interview: Vault Token Expired Secrets Management L2 15m solid
Scenario: DNS Looks Fine but App Fails TLS & PKI L2 20m solid

📋 Runbooks

Asset Topics Level Time Status
Runbook: CVE Response (Critical Vulnerability) Incident Triage, Security Scanning L2 20m solid
Runbook: Certificate Renewal Failed TLS & PKI L2 15m solid
Runbook: Credential Rotation (Exposed Secret) Secrets Management L2 15m solid
Runbook: Secret Rotation Secrets Management L2 15m solid
Runbook: TLS Certificate Expiry TLS & PKI L2 15m solid
Runbook: Unauthorized Access Investigation Audit Logging, Incident Triage L2 20m solid

📝 Assessments

Asset Topics Level Time Status
Skillcheck: Secrets Management Secrets Management L2 30m solid
Skillcheck: Security (Expanded) Security Scanning L2 30m solid
Skillcheck: TLS & PKI TLS & PKI L2 30m solid

🔍 Case Studys

Asset Topics Level Time Status
Case Study: BMC Clock Skew Cert Failure TLS & PKI L2 30m solid
Case Study: DNS Looks Broken — TLS Expired, Fix Is Cert-Manager TLS & PKI L2 30m solid
Case Study: Deployment Stuck — ImagePull Auth Failure, Vault Secret Rotation TLS & PKI L2 30m solid
Case Study: SSL Cert Chain Incomplete TLS & PKI L1 30m solid
Case Study: User Auth Failing — OIDC Cert Expired, Cloud KMS Rotation TLS & PKI L2 30m solid
Ops Archaeology: The Certificate That Works Sometimes TLS & PKI L2 30m solid